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NewsProax Wins SMC 2025 Automation Innovator Award
Apr 24, 2025|
We’re thrilled to announce that Proax Technologies has received the 2025 Automation Innovator Award from SMC, a global leader in pneumatic and automation solutions.
This prestigious award recognizes Proax’s outstanding contributions in delivering innovative pneumatic systems, custom-engineered solutions, and energy-efficient automation technology to manufacturers across Canada. As an SMC Elite Distributor, this achievement reflects the strength of our collaboration and the engineering excellence behind every solution we offer.
In-House Engineering & Pneumatic Circuit Design
At Proax, we go far beyond distribution. Our in-house engineering team provides expert support for:
* Component selection and sizing
* Customized pneumatic circuit design
* Post-installation troubleshooting and consultation
Our pneumatic specialists are equipped with tools to simulate and develop application-specific circuits. From simple control systems to complex manifold layouts, we ensure every solution is optimized for efficiency, performance, and reliability.
Explore our full pneumatics product offering to discover solutions tailored for your operation.
Reduce Energy Costs with SMC's AMS System
Energy efficiency is more than a goal — it’s a competitive advantage. That’s why Proax proudly integrates SMC’s AMS Series Air Management System into our customer solutions.
This smart system enables:
* Real-time monitoring of pressure, temperature, and flow
* Programmable pressure reduction and shutdown scheduling
* Data collection via fieldbus and OPC UA protocols
By reducing air consumption and providing actionable insights, the AMS Series helps businesses make data-driven decisions that improve sustainability, lower operating costs, and extend machine life.
Download SMC AMS Series Datasheet
Local Expertise, National Reach
With locations coast to coast, Proax offers unmatched support wherever your operations are based — from British Columbia to Newfoundland. Our local teams deliver:
* Rapid response times
* On-site technical support
* Personalized service for your region
Whether you need support in Vancouver, Calgary, Toronto (Mississauga), Cambridge, Montreal, Halifax, or anywhere in between, our national footprint ensures consistent quality, fast delivery, and local expertise.
Ready to partner with one of Canada’s most trusted pneumatic automation providers?
Start your journey today: Explore SMC at Proax or contact us now.

AutomationLinear Guideways vs Bearing Blocks: Complete Guide for Precision Motion
Apr 23, 2025|
Linear guideways and bearing blocks are critical components in high-performance automation, CNC machinery, robotics, and precision systems. As an authorized distributor of Hiwin, Proax Technologies offers a wide range of linear motion solutions designed to maximize efficiency, accuracy, and reliability.
What Are Linear Guideways?
Linear guideways (also known as linear bearings or motion guides) are mechanical systems that enable smooth, low-friction movement along a straight path. By using re-circulating rolling elements between a profiled rail and a bearing block, they deliver:
* High precision and repeatability
* Low friction (1/50 that of traditional sliding guides)
* Consistent smooth motion
* High load capacity in all directions
These features make them ideal for applications where accuracy and speed are critical.
How Do Linear Guideways Work?
A typical linear guideway consists of two parts:
* Rail (profiled rail): The stationary base mounted to the frame
* Bearing block: The moving carriage that houses recirculating balls or rollers
The rolling elements within the block provide linear motion with minimal resistance, making them suitable for high-speed or heavy-duty applications.
Hiwin Bearing Blocks: Types and Features
Hiwin offers both square and flange-type bearing blocks, each optimized for different load directions and mounting conditions:
* Flange Type Blocks: Lower height, ideal for heavy moment loads
* Square Type Blocks: Compact and suitable for standard applications
Key features include:
* Seals and scrapers to block contaminants
* Self-aligning designs like the HG and RG series for easy installation
* Interchangeability across rails and blocks within the same series
Explore the full bearing block selection to find the right fit.
Comparison of Hiwin Guideway Series
Series
Load Range
Key Features
HG
11.38 – 208.36 kN
Self-aligning, high speed, high rigidity, equal load in all directions
EG
5.35 – 33.35 kN
Low profile, high rigidity, compact, space-saving
CG
High Moment Load
O-type design, stainless cover strip, optimized bearing circulation
RG
11.3 – 275.3 kN
Roller type, ultra-high rigidity, 45° contact angle
WE
5.23 – 29.8 kN
Wide rail, low profile, self-aligning
MG
0.68 – 8.93 kN
Miniature, stainless steel, anti-corrosion, high stiffness
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Selecting the Right Hiwin Linear Guideway
Before choosing your guideway and block, evaluate the following:
* Load direction & magnitude – Radial, reverse radial, and lateral
* Speed & acceleration requirements – For high-speed machines, QH or QE series with SynchMotion™ technology may be optimal
* Mounting space constraints – EG and WE series are ideal for low-profile installations
* Noise levels & smoothness – SynchMotion™-equipped models offer quieter, more stable motion
* Working environment – Consider protective seals and stainless steel if exposed to debris or corrosive agents
Applications
Hiwin linear guideways and blocks are used in:
* CNC machines
* Robotics
* Packaging and labeling equipment
* Semiconductor and medical devices
* High-speed pick-and-place systems
Final Thoughts
Whether you're building a new machine or upgrading your linear motion system, Proax's lineup of Hiwin linear guideways and bearing blocks offers proven performance across every industrial segment. With premium features, high load capacity, and unmatched precision, Hiwin remains a top choice in motion technology.
Need help choosing the right configuration? Contact our team for personalized guidance or start browsing our linear motion solutions today.

AutomationWhat Causes Phase Loss or Imbalance — and How to Detect It with Monitoring Relays
Apr 22, 2025|
Three-phase electrical systems are the backbone of industrial and commercial power distribution, prized for their efficiency and reliability. However, these systems are vulnerable to phase loss and phase imbalance, which can result in serious consequences like equipment failure, costly downtime, and safety hazards.
In this guide, we’ll break down:
* What causes phase issues
* Their consequences
* How to detect them with monitoring relays
* Practical prevention strategies
What is Phase Loss and Phase Imbalance?
* Phase Loss (Single Phasing): One of the three electrical phases is lost or significantly reduced, forcing the remaining two to compensate. This causes motors to draw unbalanced currents and quickly overheat.
* Phase Imbalance: Voltage or current between the three phases becomes uneven, even if all phases are technically still operating.
Common Causes of Phase Issues
Cause
Description
Blown Fuses or Tripped Breakers
One disconnected fuse can break the entire phase chain.
Damaged or Aged Cables
Mechanical damage or insulation failure can disconnect a phase.
Loose or Corroded Connections
Terminal posts and connectors degrade over time, leading to intermittent phase loss.
Unbalanced Loads
Connecting large single-phase loads unevenly causes imbalance.
Aging Infrastructure
Old transformers, worn relays, or outdated panels increase risk.
Improper Protection Settings
Incorrectly set overloads or VFDs may not react during faults.
Environmental Conditions
Weather events, wildlife, or pole damage can suddenly knock out a phase.
Integration of Renewables
Intermittent solar or wind sources can destabilize phases if unmanaged.
Motor Winding Failure
Insulation degradation in motor windings contributes to phase loss internally.
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Consequences of Phase Loss and Imbalance
* Equipment Overheating: Motors draw excessive current on remaining phases.
* Vibration and Performance Loss: Motors may stall or rotate in reverse.
* Reduced Lifespan: Even a 5% imbalance can cut motor capacity by 25%.
* Harmonics & Flickering: Poor power quality affects sensors, controllers, and lighting.
* Safety Risks: Overheated components pose fire and electrical hazards.
How to Detect Phase Issues Using Monitoring Relays
Monitoring relays are dedicated devices that continuously check the integrity of all three phases. When something’s off—they act fast.
For example, 3-phase monitoring relays are used to detect phase loss, asymmetry, and incorrect phase sequence. You can explore models like the Omron K8AK-PW or K8DS-PM, or opt for Phoenix Contact options such as the EMD-SL-PH-690 and EMD-SL-3V-400, both of which offer robust protection for voltage phase monitoring.
If you're dealing with individual line issues, 1-phase monitoring relays like the Omron K8AK-AS and K8AK-VS are reliable options.
For thermal protection or heating applications, devices such as the K8AK-TH offer precise temperature monitoring. You can view our full range of monitoring products here.
Product Comparison Table
Model
Type
Key Features
Voltage Range
Brand
K8AK-PW
3-Phase
Over/undervoltage
3-wire/4-wire
Omron
K8AK-AS
1-Phase
Over/undercurrent
0.1–30A
Omron
EMD-SL-PH-690
3-Phase
Sequence, failure, asymmetry
208–690V AC
Phoenix
K8AK-VS
1-Phase
Over/undervoltage
200–240V AC
Omron
EMD-SL-3V-400
3-Phase
Window voltage monitoring
280–520V AC
Phoenix
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Prevention Tips and Best Practices
Action
Benefit
Routine Maintenance
Catch wear and corrosion before failure.
Even Load Distribution
Prevents phase imbalance and inefficiency.
Upgrade Equipment
Faster response to faults.
Continuous Monitoring
Real-time alerts prevent unplanned downtime.
← Scroll horizontally to view more →
Frequently Asked Questions
What causes phase loss in a 3-phase system?
Blown fuses, loose wiring, or damaged cables are common causes.
How do I detect a phase imbalance?
Use a 3-phase monitoring relay like K8AK-PW or EMD-SL-PH-690 to detect imbalances in real time.
What are the risks of ignoring phase imbalance?
Reduced motor life, overheating, harmonics, and fire risks.
Can these relays be installed in older panels?
Yes, most models are DIN rail mountable and retrofit-ready.
Final Thoughts
Phase loss and imbalance are preventable yet critical threats in industrial systems. With monitoring relays and proactive strategies, you can avoid catastrophic damage, reduce downtime, and extend asset life.
Explore our wide selection of 3-phase and 1-phase monitoring relays — backed by expert support and fast Canadian shipping.
Not sure what you need? Talk to our experts today.

AutomationWhen to Replace Your Pneumatic Air Dryer: Essential Guide for Canadian Industries
Apr 21, 2025|
In industrial settings across Canada, pneumatic air dryers are the unsung heroes of compressed air systems. These vital components remove moisture and contaminants, protecting your valuable equipment and ensuring quality production. But even the most reliable air dryers have a finite lifespan—and knowing when to replace them can save your operation from costly downtime and equipment damage.
At Proax, we've helped countless Canadian businesses optimize their pneumatic systems. In this comprehensive guide, we'll walk you through the telltale signs that it's time for a replacement and provide expert maintenance tips to extend your air dryer's service life.
Why Air Dryer Replacement Timing Matters
The consequences of running with a failing air dryer extend far beyond minor inconveniences:
* Equipment Protection: Moisture in compressed air lines leads to rust, corrosion, and premature tool failure—often resulting in thousands of dollars in damage
* Production Quality: In painting, food processing, or pharmaceutical applications, even minimal moisture contamination can ruin entire production batches
* Energy Efficiency: A struggling air dryer forces your compressor to work harder, potentially increasing energy consumption by 10-25%
* Operational Reliability: Sudden air dryer failure can bring production to a complete standstill, creating costly delays and missed deadlines
6 Clear Signs You Need to Replace Your Air Dryer
1. Moisture Detection in Your System
The primary purpose of an air dryer is moisture removal. If you're noticing:
* Water droplets in air lines or at point-of-use
* Rust forming inside pneumatic tools
* Condensation in air storage tanks
* Water blowing from pneumatic outlets
These are unmistakable indicators that your air dryer is no longer functioning properly and requires replacement.
2. Increasing Maintenance Frequency
Are you finding yourself calling technicians more often for your air dryer? When repair costs and frequency increase, it's often more economical to invest in a new unit. Compare your maintenance logs—if service calls have doubled in the past year, replacement is likely the smarter financial decision.
3. Rising Energy Consumption
An inefficient air dryer creates back pressure that forces your compressor to work harder. Review your energy bills—a gradual increase in electricity costs without corresponding production increases often points to air treatment system issues. New refrigerated air dryers can provide significant energy savings compared to older models.
4. Physical Deterioration
Visual inspection can reveal a lot about your air dryer's condition:
* Visible external corrosion or rust
* Cracked components or housings
* Leaking connections or fittings
* Damaged gauges or controls
These physical signs indicate environmental stress and aging that compromise performance.
5. Pressure Drop Issues
Monitor the pressure differential across your air dryer. A healthy system maintains consistent pressure, while a failing unit will show:
* Increased pressure drop across the dryer (exceeding manufacturer specifications)
* Inability to maintain system pressure during peak demand
* Longer recovery times after air usage
6. Excess Water from Purge Valves
Modern air dryers should produce minimal condensate during normal operation. If your purge valve is constantly discharging water, your dryer is struggling to remove moisture effectively.
Recommended Replacement Schedules
While every operation is different, these industry-standard replacement intervals provide solid guidelines:
Component
Replacement Timeline
Warning Signs
Dryer Filters
Every 2,000 operating hours or annually
Pressure differential increase, visible contamination
Desiccant (for desiccant dryers)
Every 3-5 years
Color change, reduced efficiency
Pre/Post Filter Elements
Every 12 months
Excessive pressure drop, visible contamination
Control Air Filter Elements
Every 12 months
Erratic controller operation
Refrigerated Dryer
8-10 years (depending on usage)
Increasing energy usage, moisture breakthrough
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Note: For specialized applications like pharmaceutical or food production, more frequent replacement may be necessary to maintain air quality standards.
Maximizing Your Air Dryer Lifespan: Maintenance Best Practices
Proper maintenance can significantly extend your air dryer's service life:
Daily Checks
* Monitor pressure differentials across filters
* Check moisture indicators and dew point (when applicable)
* Listen for unusual sounds (particularly in refrigerated air dryers)
Monthly Maintenance
* Inspect and clean condenser coils on refrigerated models
* Check all drain functions
* Examine for air or refrigerant leaks
* Clean or replace standard filters as needed
Annual Service
* Complete system evaluation
* Replace all filter elements
* Check electrical connections and controls
* Calibrate sensors and gauges
Choosing Your Replacement: Technology Advancements
When replacing your air dryer, consider these recent advancements that could benefit your operation:
Energy-Efficient Models
Modern IDFB refrigerated air dryers offer significant energy savings compared to older technologies. These units adjust cooling capacity based on actual demand, reducing power consumption during partial loads—often resulting in 25-50% energy savings.
Smart Monitoring Capabilities
Today's premium air dryers feature digital controls and remote monitoring capabilities. These systems:
* Provide real-time performance data
* Alert maintenance teams to potential issues before failure
* Track energy usage and efficiency metrics
* Allow for preventive rather than reactive maintenance
Environmental Considerations
Newer refrigerated dryers use environmentally friendly refrigerants with lower global warming potential, helping your operation meet sustainability goals while complying with evolving regulations.
Conclusion: Partner with Experts for Optimal Results
Replacing your pneumatic air dryer at the right time isn't just about avoiding problems—it's about optimizing your entire compressed air system for reliability, efficiency, and performance.
At Proax, we're proud to be authorized SMC distributor across Canada, offering expert guidance on air treatment solutions tailored to your specific industry needs. Our team can help you determine the ideal replacement timing, select the right technology for your application, and ensure proper installation for maximum performance.
Don't wait for a system failure to consider replacement. Contact our compressed air specialists today for a comprehensive evaluation of your current air dryer performance and expert recommendations on upgrading your system.

SafetyExpert Fuse Selection Guide: How to Choose the Right Protection for Your Application
Apr 17, 2025|
Selecting the right fuse for your electrical system isn't just about matching numbers—it's a critical design decision that directly impacts safety, reliability, and performance. At Proax, we understand that proper fuse selection can mean the difference between smooth operations and costly downtime or even dangerous failures.
Why Proper Fuse Selection Is Critical
A fuse serves as the intentional "weakest link" in your electrical circuit, designed to sacrifice itself when dangerous current levels threaten your equipment and personnel. But choosing the wrong fuse can lead to:
* Nuisance trips that interrupt operations unnecessarily
* Equipment damage from inadequate protection
* Safety hazards from improper interruption capabilities
* Compliance issues with industry standards and regulations
Let's explore the essential factors to consider when selecting the right fuse for your specific application needs.
Key Selection Criteria for Fuses
1. Current Rating: Finding the Sweet Spot
The current rating of your fuse should be carefully calculated to match your application's normal operating conditions while providing protection against overloads.
Best Practice: Select a fuse with a current rating approximately 125% of your circuit's maximum normal operating current. For example, if your circuit typically draws 8A, a 10A fuse provides an appropriate safety margin.
Application Consideration: Different loads have different current profiles:
* Motor circuits experience high inrush currents during startup
* Transformer circuits can experience magnetizing inrush when energized
* Electronic circuits may need tighter protection margins
2. Voltage Rating: Never Compromise
A fuse's voltage rating must always meet or exceed the maximum voltage in your circuit—no exceptions.
Safety Rule: Choose a fuse with a voltage rating at least 20% higher than your system's maximum operating voltage to account for transients and fluctuations.
Important Distinction: AC and DC applications require different considerations:
-AC fuses benefit from natural current zero-crossing for arc extinction
-DC fuses must be specifically rated for DC use, as interrupting DC is more challenging
3. Breaking Capacity: Prepared for the Worst
The fuse's interrupting capacity (also called breaking capacity) must exceed the maximum fault current available in your system.
Critical Safety Factor: Underestimating available fault current is dangerous—a fuse that cannot safely interrupt a fault may rupture violently or allow continued current flow.
Calculation Tip: Work with your electrical engineer to determine the maximum available fault current at the installation point, then select a fuse with an interrupting rating that exceeds this value with margin.
4. Time-Current Characteristics: Speed Matters
Different applications require different fuse response speeds:
Response Type
Characteristics
Typical Applications
Fast-Acting
Quickly responds to overloads
Electronic protection, semiconductor safeguarding
Time-Delay
Tolerates temporary overloads
Motors, transformers, and loads with inrush currents
Very Fast-Acting
Extremely rapid response
Sensitive semiconductor protection
Application Matching: Select time-current characteristics based on normal operating conditions. For example, motors that draw 6-8 times their rated current during startup require time-delay fuses to prevent nuisance tripping.
5. Environmental Factors: The Often Overlooked Consideration
Ambient conditions significantly impact fuse performance:
Temperature Effects: Fuses are typically rated at 25°C (77°F). Higher ambient temperatures require derating:
* At 60°C (140°F), you may need to increase fuse size by 15-25%
* At lower temperatures, fuse clearing time may increase
Installation Environment: Consider exposure to:
* Vibration and mechanical stress
* Humidity and corrosive atmospheres
* Altitude (affects air's dielectric strength)
Mersen Fuse Series: Finding Your Perfect Match
As an authorized Mersen distributor, Proax offers access to Mersen's comprehensive range of high-quality fuses. Here's how to match Mersen series to your specific application needs:
Class J Fuses: Versatile Protection for Industrial Applications
A4J Series (Fast-Acting)
* Best For: General power distribution, feeders, and loads requiring quick response
* Key Features: Excellent current-limiting protection, 600VAC/300VDC rating
* Interrupting Rating: Up to 200kA
* Application: Ideal for general circuits without significant inrush current
AJT Series (Time-Delay)
* Best For: Motor circuits, transformers, and branch circuits
* Key Features: Superior current-limiting with time-delay, SmartSpot indicator
* Voltage Rating: 600VAC/400VDC
* Application: Perfect for applications with high inrush currents that need time-delay protection
Class CC Fuses: Compact Protection for Small Circuits
ATDR Series (Time-Delay)
* Best For: Small motors, branch circuits, and control systems
* Key Features: Best time-delay characteristics in its class, excellent cycling capacity
* Electrical Ratings: 600VAC/300VDC, 200kA interrupting capacity
* Application: Ideal for small motor protection and sensitive branch circuits
Miniature Fuses: Protection for Electronic Applications
GDL Series (Time-Delay)
* Best For: Electronic circuits requiring time-delay
* Form Factor: Glass, miniature (1/4" × 1-1/4")
* Voltage Rating: Up to 250VAC
* Application: Electronic equipment with temporary overloads
GGC Series (Fast-Acting)
* Best For: Sensitive electronic protection
* Form Factor: Glass, miniature (1/4" × 1-1/4")
* Current Range: 1/10A–30A
* Application: Electronic circuits requiring quick response
GSA Series (Time-Delay)
* Best For: High-current electronics
* Form Factor: Ceramic, miniature (1/4" × 1-1/4")
* Application: Equipment like microwave ovens that need time-delay protection
GSB Series (Fast-Acting)
* Best For: Electronic circuit protection requiring speed
* Application: Fast protection for sensitive electronic equipment
Selection Methodology: A Step-by-Step Approach
Follow these steps to select the optimal fuse for your application:
1. Define Your Circuit Parameters:
* Normal operating current
* Maximum system voltage
* Available fault current
* Load characteristics (resistive, inductive, motor, etc.)
2. Identify Special Considerations:
* Inrush current requirements
* Ambient temperature conditions
* Space constraints
* Required agency approvals
3. Select Fuse Class and Series:
* Match application needs to appropriate fuse class
* Choose time-current characteristics (fast-acting vs. time-delay)
4. Verify Ratings Meet or Exceed Requirements:
* Current rating (with appropriate margin)
* Voltage rating (equal to or greater than system voltage)
* Interrupting capacity (greater than available fault current)
5. Confirm Physical Installation Requirements:
* Mounting method compatibility
* Space availability
* Accessibility for maintenance
Fuse Selection Checklist
Selection Criteria
What to Verify
Common Pitfalls to Avoid
Current Rating
Exceeds normal load by appropriate margin
Oversizing reduces protection; undersizing causes nuisance trips
Voltage Rating
≥ Maximum circuit voltage (with safety margin)
Using AC-rated fuses in DC applications
Interrupting Capacity
> Maximum available fault current
Underestimating available fault current
Application Type
Matches load characteristics (motor, electronic, etc.)
Using fast-acting fuses with inrush loads
Ambient Temperature
Consider derating for temperatures above 25°C
Failing to adjust for high-temperature environments
Agency Approvals
Meets UL, CSA, IEC requirements as needed
Missing required certifications for your application
Future-Proofing Your Protection Strategy
When designing electrical systems, consider these forward-looking approaches:
* Anticipate Growth: Select fuses with some headroom if system expansion is likely
* Standardize Where Possible: Reduce inventory and maintenance complexity
* Consider Coordination: Ensure proper selectivity between upstream and downstream protection devices
* Document Your Selections: Maintain records of fuse selections and the reasoning behind them
Expert Support When You Need It
At Proax, we understand that fuse selection can be complex. Our in-house technical specialists can help you navigate the selection process and ensure optimal protection for your specific application.
Explore our complete range of industrial fuses and benefit from our status as an authorized distributor for Mersen, a global leader in electrical power and advanced materials.
Whether you're designing a new system or upgrading existing protection, our team is ready to help you select the right fuse for your application—because when it comes to electrical protection, there's no room for compromise.
Contact us today to discuss your specific protection needs and discover why Proax is the trusted partner for electrical protection solutions.

AutomationABB Drive Series Comparison: ACS255 vs ACS380 vs ACS580 vs ACS880
Apr 17, 2025|
Proax Technologies supports customers across industries in selecting the right drive for their automation needs. ABB offers a powerful lineup of variable frequency drives (VFDs) built for flexibility, energy efficiency, and safety. In this post, we’ll explore the ACS255, ACS380, ACS580, and ACS880 series so you can confidently choose the best solution for your application.
What are VFDs?
Variable frequency drives (VFDs) control the speed and torque of electric motors by adjusting the frequency and voltage of power supplied. They improve energy efficiency, reduce mechanical wear, and allow precise motor control in various industrial applications.
ACS255: Compact Performance for Simple Applications
What is it?
The ACS255 is ABB’s micro drive for basic motor control. It offers reliable performance in a compact footprint, perfect for OEMs and small machinery.
Key Benefits:
* Power Range: 0.5 to 20 hp (0.37–15 kW)
* Voltage: Supports 1- and 3-phase (115–600 V)
* Enclosures: IP20 for cabinet mount, IP66 for harsh environments
* Control: V/Hz and open-loop vector (sensorless)
* Built-in Modbus RTU
* Simple LED interface
* Safe Torque Off (STO) on 600 V models
Best For: Mixers, pumps, fans, conveyors in food, HVAC, and OEM settings
ACS380: Flexible Machine Control for OEMs
What is it?
The ACS380 is a compact, all-compatible drive made for machine builders. It delivers advanced motor control, fast setup, and excellent integration with factory automation systems.
Key Benefits:
* Power Range: 0.25 to 22 kW (0.37–30 hp)
* Voltage: 200–240 V (1/3-phase), 380–480 V (3-phase)
* Motor Support: Induction, permanent magnet, synchronous reluctance
* Control Modes: Scalar, vector, torque control
* Communication: Built-in Modbus RTU, optional EtherCAT, PROFIBUS, PROFINET, CANopen, Ethernet/IP, Modbus TCP
* Safety: STO (SIL3) built-in
* Interface: Icon-based control panel, optional Bluetooth panel
* Environment: Operates up to 50°C, coated boards for harsh use
Best For: Conveyors, extruders, packaging, cranes, winders, material handling, and OEM machinery
ACS580: All-Compatible General Purpose Drives
What is it?
The ACS580 is a versatile drive for industrial applications. With all essential features built in, it simplifies design, installation, and operation.
Key Benefits:
* Power Range: 0.75 to 500 kW
* Voltage: 3-phase 200 to 480 V
* Enclosure Options: IP00 to IP55
* Control: Scalar and vector
* Built-in macros and energy optimizer
* Safe Torque Off (SIL 3 certified)
* Optional Bluetooth panel for wireless commissioning
Best For: Fans, compressors, mixers, pumps, and conveyors across industrial settings
ACS880: High-End Control for Heavy Industry
What is it?
The ACS880 is ABB’s flagship drive for advanced industrial automation. Designed for high-demand applications, it offers premium control and safety.
Key Benefits:
* Power Range: 0.55 to 6000 kW
* Voltage: 230–690 V (3-phase)
* Enclosures: Up to IP55/UL Type 12
* Control: Advanced Direct Torque Control (DTC)
* Built-in and optional safety modules (STO, encoderless safe speed)
* Fieldbus support: Ethernet, PROFIBUS, Modbus, and more
* Modular design with customizable I/O and diagnostics
Best For: Cranes, marine systems, winders, mills, and custom automation cells
Choosing the Right ABB Drive for Your Needs
Here’s a quick guide to help you decide:
1. Environment & Motor Size
* Tight space or panel mount? Go with ACS255 or ACS380
* Standard industrial motor control? Use ACS580
* High-performance or custom automation? ACS880 wins
2. Required Control & Safety
* Simple Modbus I/O: ACS255 or ACS580
* Advanced motor types or torque control: ACS380 or ACS880
3. Installation & IP Rating
* Washdown or dusty areas? Consider IP66 (ACS255) or IP55 (ACS880)
4. Expansion Potential
* Need fieldbus and flexible I/O? ACS380 and ACS880 are highly expandable
Let Proax Help
As an authorized ABB distributor, Proax has decades of experience in automation. We help our customers choose and implement the right ABB drive solution based on real-world needs.
Whether you’re replacing an old VFD or designing a new machine, our team is here to help you spec the right drive, configure it, and keep it running. Contact Us Today

SafetyHow Omron Light Curtains Improve Machine Safety Compliance in Canada
Apr 15, 2025|
In Canadian industrial environments, safeguarding workers and ensuring machine safety compliance is both a regulatory requirement and a productivity necessity. At Proax, as an authorized distributor of Omron, we offer safety solutions engineered to meet and exceed modern compliance standards — including the CSA Z432 and Z434 requirements unique to Canada.
Among these solutions, Omron’s Safety Light Curtains stand out for their reliability, versatility, and full compliance with global and regional safety regulations.
What Are Safety Light Curtains?
Safety light curtains are presence-sensing devices that create an invisible grid of infrared beams between a transmitter and receiver. When an object or person enters the sensing zone and breaks one of the beams, the curtain sends an immediate stop command to the machine — helping prevent serious injury without physical contact or obstruction.
These curtains are especially valuable where frequent access is needed, such as in packaging lines, robotic workstations, or assembly environments, offering non-contact, ergonomic protection.
Common Industrial Applications
Light curtains are used extensively in:
* Machine Guarding: CNC machines, stamping presses, injection molding
* Robotic Cells: Defining safe zones in collaborative robot environments
* Material Handling: Preventing collisions on conveyors and automated storage systems
* Packaging: Protecting operators around filling, sealing, and wrapping lines
* Perimeter Protection: Blocking access to dangerous zones and equipment areas
Canadian Compliance Standards
CSA Z432 – Safeguarding of Machinery
This Canadian standard defines the general principles for machinery safeguarding, covering design, installation, and validation of safety systems — including light curtains. Key areas include:
* Risk assessment methodology
* Guarding principles (physical and electronic)
* Minimum performance requirements for safety devices
* Procedures for validating safety functions
CSA Z434 – Robots and Robotic Devices
This standard focuses on robotic safety, including collaborative applications, where light curtains often supplement other safety measures like area scanners and pressure-sensitive mats. It references requirements for:
* Defined safety zones around robots
* Interlocking systems
* Integration with functional safety systems
Together, Z432 and Z434 are essential for meeting provincial OH&S regulations across Canada and are often referenced in workplace safety inspections.
Other Global Safety Standards
Omron safety light curtains are engineered to meet the most recognized global benchmarks:
Standard
Description
ISO 13849 / IEC 62061
Define performance level (PL) and safety integrity level (SIL) for machine safety systems
IEC 61496-1 / 2
Specifies design and test criteria for electro-sensitive protective equipment
ANSI B11.19
North American standard for safeguarding devices and system performance
ISO 13855
Specifies minimum installation distances to ensure safe stopping before hazard access
These standards ensure that your safety system performs as expected in terms of response time, redundancy, fault detection, and environmental resilience.
Feature Overview: Omron F3SG Series Light Curtains
F3SG-SR Series Safety Light Curtains
Omron’s top-tier safety curtain with Type 4 performance, suitable for high-risk applications. Features include:
* SIL 3 / PL e rated
* Long-range detection
* IP67G/IP69K protection for harsh environments
* Alignment assistance and diagnostic LEDs
Ideal for: automotive, metal stamping, material transfer zones.
F3SG-RE Series Safety Light Curtains
Cost-effective safety curtain with Type 2 protection for lower-risk environments. Features include:
* PL c rating
* Slim body for easy integration
* Designed for basic hand protection applications
Ideal for: packaging, semi-automated workstations, general machinery.
Additional Series
* F3SJ-A Advanced Safety Light Curtain
* F3SJ-B Basic Safety Light Curtain
* F3SG-PG for perimeter guarding
To support installation, configuration, or maintenance, visit our full range of Safety Light Curtain Accessories, including cables, intelligent tap units, and sockets.
Why Use Light Curtains Instead of Traditional Guards?
Feature
Light Curtains
Traditional Guards
Non-contact detection
✅ Yes
❌ No
Response time
✅ Milliseconds
❌ Slower, operator-dependent
Accessibility
✅ High
❌ Often obstructive
Ergonomics
✅ Unrestricted access
❌ Poor for frequent access
Compliance
✅ Meets PL e / SIL 3
❌ May fall short of new standards
Flexibility
✅ Reconfigurable
❌ Rigid design
Omron light curtains not only improve operator safety, they also support better machine uptime and easier maintenance access — all while staying fully aligned with current and future Canadian regulatory expectations.
Final Thoughts
For Canadian manufacturers and industrial operators, staying compliant with CSA, ISO, and IEC safety standards is critical — not just to pass audits, but to ensure a safe, productive work environment. Omron safety light curtains, available through Proax, are built to help you meet these standards confidently.
✔ Certified to meet the world’s most stringent safety expectations
✔ Available in multiple models to suit every risk level
✔ Backed by Proax’s in-house safety specialists, certified in TÜV and ANSI standards
✔ Fully supported by local inventory, technical support, and application expertise
Contact us to connect with our certified safety team and build a compliant, future-ready safety system.

PneumaticsThe Complete Pneumatic Fitting Selection Guide: Thread Types, Materials, and Sizing
Apr 14, 2025|
Selecting the right pneumatic fittings for your industrial system can make the difference between optimal performance and costly downtime. With so many options available, how do you navigate the complex world of thread types, materials, and sizing specifications?
At Proax, as an elite authorized distributor of SMC across Canada, we've guided countless engineers and maintenance professionals through this selection process. This comprehensive guide breaks down everything you need to know to make informed decisions for your specific application needs.
Choosing the Right Thread Type for Your Application
Thread compatibility is critical when selecting pneumatic fittings. Using incompatible threads can lead to leaks, connection failures, and system inefficiency. Here's a detailed breakdown of the most common thread types and when to use them:
Inch Thread Types
NPT (National Pipe Taper) - North American standard
* Perfect for applications requiring robust, leak-free connections
* Requires thread sealant or PTFE tape for proper sealing
* Commonly used in industrial and manufacturing environments
* Ideal when retrofitting older North American equipment
UNF (Unified Fine) - Precision applications
* Best suited for compact systems with limited space
* Provides highly precise connections
* Common in aerospace, automotive, and precision manufacturing
* Works well in applications requiring frequent disconnection/reconnection
Metric Thread Types
BSPP (British Standard Pipe Parallel) - European standard
* Uses O-rings or face seals for airtight connections
* Excellent for systems where components need frequent disassembly
* Common in European-designed equipment
* Preferred in applications requiring quick, tool-free assembly
BSPT (British Standard Pipe Taper) - Global applications
* Tapered design creates secure sealing under pressure
* Ideal for high-pressure systems
* Widely used in Asia and parts of Europe
* Good alternative when NPT fittings aren't available
M-Sized Threads (M5, M6, etc.) - Compact systems
* Perfect for space-constrained applications
* Compatible with global equipment standards
* Commonly found in robotics and compact automation systems
* Provides excellent vibration resistance
Universal Threads - Simplified Inventory
SMC offers universal thread fittings that accommodate both inch and metric standards, which can:
* Reduce inventory complexity
* Simplify maintenance and repairs
* Enable standardization across diverse equipment
* Save costs on specialized tooling
Material Selection: Finding the Perfect Balance
The environment your pneumatic system operates in significantly impacts which fitting material will perform best. Consider these options:
Metal Fittings
Brass Fittings
* Excellent corrosion resistance in standard conditions
* Durable with long service life
* Perfect for air and water systems
* Cost-effective for general industrial applications
* Operating temperature range: -20°C to 80°C
Stainless Steel Fittings
* Superior strength and chemical resistance
* Ideal for food processing, pharmaceutical, and chemical applications
* Perfect for washdown environments
* Resistant to extreme temperatures and harsh cleaning agents
* Operating temperature range: -65°C to 260°C
Fluoropolymer Fittings
* Exceptional chemical resistance, even in aggressive environments
* Excellent thermal stability for high-temperature applications
* Ideal for semiconductor, analytical, or pharmaceutical industries
* Smooth internal surfaces to prevent contamination and ensure clean flow
* Operating temperature range: up to 200°C+
Sizing Guide: Ensuring Perfect Compatibility
Proper sizing ensures optimal flow rates, prevents pressure drops, and maintains system efficiency.
Tubing Dimensions Made Simple
When selecting fittings, match them precisely to your tubing's outer diameter (OD). Common equivalents between imperial and metric systems include:
* 5/32" ≈ 4 mm
* 1/4" ≈ 6 mm
* 5/16" ≈ 8 mm
* 3/8" ≈ 10 mm
* 1/2" ≈ 12 mm
SMC's KQ2 One-Touch Fittings make connections quick and secure, with clear size markings to prevent errors.
Thread Sizing: A Step-by-Step Approach
1. Measure the thread diameter using calipers at the widest point
2. Determine thread pitch using a thread gauge (number of threads per unit length)
3. Identify thread type by comparing measurements to standard specifications
4. Verify compatibility with your system's requirements
Pressure Ratings: Safety First
Always select fittings rated for your system's maximum operating pressure, plus a safety margin. Consider:
* Normal operating pressure
* Pressure spikes during operation
* Temperature fluctuations (which affect pressure ratings)
* Environmental factors that might stress connections
SMC Solutions: Innovation in Every Connection
SMC's extensive fitting lineup offers solutions for virtually any pneumatic application:
Series
Features
Best For
KQ2 Series
Push-to-connect, compact
General purpose
KFG2 Series
316 stainless steel
Harsh environments
KQG2 Series
Speed controller integrated
Compact automation
KR Series
Flame-resistant construction
High heat, flame risk
These advanced fittings reduce installation time, improve reliability, and offer superior resistance to corrosion, temperature, and vibration.
Selection Checklist: Finding Your Perfect Fitting
Before finalizing your pneumatic fitting selection, consider these critical factors:
* System Requirements – Operating pressure, flow rate, and cycle frequency
* Environment – Temperature range, chemical exposure, and vibration
* Maintenance Needs – Frequency of disconnection and accessibility
* Compatibility – With existing equipment and components
* Budget – Initial cost vs. long-term reliability and performance
Why Choose Proax for Your SMC Pneumatic Fittings
As an authorized SMC distributor in Canada, Proax offers:
* Expert technical support to help you select the optimal fittings
* Comprehensive inventory across Canada for quick delivery
* Custom solutions for specialized applications
* Ongoing support for system optimization
Ready to Optimize Your Pneumatic System?
Selecting the right pneumatic fittings doesn't have to be complicated. Our team at Proax is ready to help you navigate the options and find the perfect solution for your specific needs.
Explore our full range of Pneumatic Fittings or contact us directly for personalized support.

AutomationLadder Logic vs. Structured Text: Which is Right for You?
Apr 11, 2025|
When it comes to programming a PLC, choosing between Ladder Logic and Structured Text can make a big difference in development speed, flexibility, and system performance.
As an authorized Omron distributor, Proax has helped hundreds of companies navigate this critical decision. Whether you're automating a small machine or designing a modular system, the right programming approach can dramatically impact your system's efficiency, maintenance costs, and long-term scalability.
Ladder Logic: Visual Simplicity for Sequential Control
Ladder Logic remains the industry standard for good reason. This graphical programming language visually resembles electrical relay diagrams, making it immediately familiar to electricians and maintenance technicians with minimal PLC training.
Best For:
* Sequential processes with clear step-by-step operations
* Systems requiring frequent troubleshooting by maintenance staff
* Applications with straightforward on/off control logic
* Teams with strong electrical backgrounds
* Retrofit projects where existing staff are already comfortable with ladder diagrams
Omron's Ladder Logic Solutions
Omron has CP1L Series and CP1H Series for compact applications where Ladder Logic shines. These compact, cost-effective controllers deliver reliable performance in smaller systems while maintaining programming simplicity that accelerates development and troubleshooting
For more advanced systems, Omron also offers modern controllers like the NX1P, NX102, and NJ301 series, which combine Ladder Logic support with enhanced processing power, built-in EtherCAT, and expanded I/O capabilities — making them ideal for scalable machine automation without sacrificing programming familiarity.
Structured Text: Programming Power for Complex Applications
When your application demands sophisticated control algorithms or extensive data manipulation, Structured Text provides the necessary horsepower. This high-level language resembles Pascal or C, offering powerful programming constructs that Ladder Logic simply can't match.
Best For:
* Systems requiring complex mathematical calculations
* Applications with numerous conditional branches
* Data-intensive operations like recipe management
* Advanced motion or process control
* Projects where code reusability and modularity are priorities
* Teams with software development experience
For applications demanding Structured Text programming, Omron’s NJ5 and NX7 series controllers are excellent options. These platforms offer robust motion control, database connectivity, and high-speed data handling — ideal for structured, object-oriented programming.
Quick Comparison
Feature
Ladder Logic
Structured Text
Ideal For
Sequential I/O Control
Advanced logic and data handling
Readability
Graphical and visual
Text-based and compact
Learning Curve
Easier for electricians
Better for software developers
Debugging
Intuitive with visual cues
Code-based troubleshooting
Omron PLC Support
CP1L, CP1H, CJ2M, CJ2H
CJ2M, CJ2H, CJ Position Units
Bridging the Gap: Omron's Integrated HMI Solutions
Regardless of which programming language you select, operator interface remains critical. Omron's NS-Series touch screens, such as the NS5-SQ11B-V2, provide intuitive visualization for both Ladder Logic and Structured Text applications.
These 5-inch advanced touch screens feature:
* QVGA LCD displays with bright LED backlighting
* Support for 256 colors (32,768 for image data)
* USB connectivity options
* Optional embedded Ethernet connections
Real-World Examples
* A packaging line with conveyors and photo sensors? Go with Ladder Logic and a CP1L Series.
* A servo-driven labeling machine with real-time adjustments? Structured Text on a CJ2M Series is the better fit.
Making Your Decision: A Proax Perspective
After years of implementing Omron automation solutions across diverse industries, we've found that the most successful approach often combines both programming languages:
* Use Ladder Logic for I/O handling, safety circuits, and straightforward sequential operations
* Implement Structured Text for complex calculations, data manipulation, and sophisticated control algorithms
Key Decision Factors:
1. Application Complexity: Simple sequential control favors Ladder Logic; complex algorithms favor Structured Text
2. Maintenance Resources: Consider who will maintain the system long-term and their programming expertise
3. Future Scalability: Structured Text typically offers better modularity for expanding systems
4. Development Timeline: Ladder Logic often enables faster initial implementation for basic applications
The good news? Omron PLCs let you mix both—build the system the way you want, with the right tools for every task.
Get Expert Guidance from Proax
As your authorized Omron distributor, Proax provides more than just products—we deliver expertise through our in-house engineering team that ensures you select the optimal programming approach for your specific requirements. Whether you're in Mississauga, Montreal, Vancouver, Calgary, or anywhere in between, our local automation specialists can help you evaluate your needs and implement the ideal solution.
Ready to explore the right Omron control solution for your application? Contact your nearest Proax location today for personalized guidance from our experienced engineering team on selecting the perfect combination of hardware and programming approach for your next automation project.

MechanicalT-Slot vs. Dovetail: Making the Right Aluminum Extrusion Choice for Your Project
Apr 10, 2025|
When designing industrial machinery, automated systems, or custom frameworks, selecting the optimal aluminum extrusion profile can significantly impact your project's success. At Proax, we often field questions from customers trying to decide between T-slot and Dovetail aluminum extrusion systems. Each design offers unique advantages depending on your specific application needs.
Understanding Aluminum Extrusion Profiles
Before diving into the comparison, let's briefly understand what makes aluminum extrusions such a versatile solution for modern manufacturing and design challenges.
Aluminum extrusions are created by forcing heated aluminum through a die to create specific cross-sectional profiles. These profiles can then be cut to desired lengths and assembled into various structures without welding, making them ideal for modular designs.
T-Slot Aluminum Profiles
Versatility, Ease of Use, and Key Advantages
* Superior Modularity: Our B-SERIES Extrusions exemplify the outstanding adaptability of T-slot systems, offering profiles in 20, 30, 40, and 45 series for a wide range of applications.
* Simple Assembly Process: Components can be quickly added, removed, or repositioned without specialized tools, making T-slot ideal for projects requiring frequent reconfiguration.
* Excellent Strength-to-Weight Ratio: Aluminum's inherent properties provide structural integrity without excessive weight – critical for applications where material handling is a concern.
* Precision Applications: Metric T-slotted Aluminum Extrusions deliver tight tolerances perfect for robotics, conveyor systems, and other precision environments.
* Long-Term Cost Efficiency: While initial costs vary, the reusability and modularity of T-slot systems typically result in lower lifetime expenses compared to welded solutions.
Potential Limitations
* Maintenance Requirements: Connections may require periodic retightening in dynamic environments as they rely primarily on friction and fasteners.
* Stability Considerations: Under heavy loads or significant vibration, additional bracing may be necessary to maintain alignment and structural integrity.
Key Advantages of Dovetail Profiles
* Enhanced Structural Stability: The trapezoidal groove design creates a mechanical lock that eliminates pivot points, making dovetail connections ideal for applications experiencing stress or vibration.
* Superior Durability: Clamping pressure is distributed more evenly along the wall of the track, reducing localized wear compared to T-slot systems.
* Material Efficiency: Optimized cross-sections often use less material while maintaining structural integrity, contributing to sustainable manufacturing practices.
* Specialized Integration Options: Custom dovetail extrusions can incorporate features like built-in hinges, screw bosses, and specialized grooves for unique applications.
Potential Limitations
* More Complex Assembly: Dovetail systems typically require more precise machining and alignment during the initial setup phase.
* Higher Initial Investment: The refined geometry and manufacturing requirements of custom dovetail profiles can result in higher upfront costs.
Application-Specific Comparison
Feature
T-Slot Profiles
Dovetail Profiles
Best Applications
Automation systems, workstations, modular frameworks
Heavy-duty structures, high-vibration environments
Assembly Complexity
Simple with Aluminum Fasteners and Connectors
Requires precise alignment; more complex initial setup
Stability Under Load
Good for static environments; needs reinforcement for dynamic loads
Excellent stability under vibration or stress
Cost Structure
Lower upfront investment; potentially higher maintenance costs
Higher initial costs; reduced long-term maintenance needs
Accessory Compatibility
Wide range of Brackets & Connectors available
Specialized accessories for specific applications
Making the Right Choice for Your Project
When selecting between T-slot and dovetail aluminum extrusion profiles, consider these key factors:
1. Environment Dynamics: For applications involving frequent movement or vibration (manufacturing equipment, robotics), dovetail profiles typically provide superior stability.
2. Reconfiguration Needs: If your project requires flexibility or regular modification, Fractional T-Slotted Aluminum Extrusions offer unmatched adaptability.
3. Budget Considerations: Evaluate both initial investment and long-term maintenance requirements. While T-slots may have lower upfront costs, maintenance expenses should factor into your decision.
4. Precision Requirements: For applications demanding tight tolerances, both systems perform well, but dovetail excels in maintaining rigidity in dynamic environments.
5. Load Requirements: Consider the weight and force distribution in your application – heavier loads or uneven force distribution might favor the mechanical advantages of dovetail systems.
Industry-Specific Applications
Manufacturing and Assembly
In manufacturing environments, T-slot systems shine when creating workstations, assembly lines, and modular fixtures. Their quick reconfiguration capability allows production lines to adapt to changing needs without significant downtime.
Automation and Robotics
For robotic frameworks and automation cells, the precision of metric T-slot extrusions provides the necessary accuracy while maintaining system flexibility. Our Metric T-slotted Aluminum Extrusions are particularly well-suited for these applications.
Heavy Machinery and Vibration-Prone Environments
In applications where vibration is a concern, dovetail systems provide superior stability and reduced maintenance requirements. The mechanical lock created by the dovetail geometry resists loosening under vibration.
Combining Systems for Optimal Performance
In many advanced applications, engineers achieve the best results by strategically combining both profile types:
* T-slot profiles for areas requiring frequent access or reconfiguration
* Dovetail connections for high-stress junction points and vibration-prone sections
This hybrid approach leverages the strengths of each system while minimizing their respective limitations.
Your Local Canadian Partner for Aluminum Extrusion Solutions
With 13 strategic locations serving communities across Canada including Vancouver, Calgary, Winnipeg, Mississauga, Montreal, Quebec City, and Halifax, Proax delivers regional expertise backed by nationwide resources.
Our team of dedicated Canadian technical experts can:
* Determine the optimal aluminum profile system for your specific industrial application
* Custom-cut extrusions to your exact specifications at our regional facilities
* Provide design consultation to optimize your framework for Canadian industrial environments
* Supply complete assembly solutions with all necessary components
Whether you're building manufacturing equipment in Ontario, automated systems in Quebec, or industrial frameworks in British Columbia, our local teams understand your regional requirements and industry challenges.
Ready to get started?
Contact your nearest Proax location to discuss your aluminum extrusion needs with a local expert. Our team is ready to help you find the perfect solution for your next project, whether you need T-slot or dovetail aluminum profiles.