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|Aug 28, 2024|3 MIN READ

mGard Interlocks: Versatile Safety Solutions by Fortress

mGard Interlocks: Versatile Safety Solutions by Fortress

Safeguarding complex operations with multiple sources of energy requires much safety and reliability. For that, Proax introduces the mGard Mechanical Trapped Key Interlocks manufactured by Fortress Interlocks. This innovative range of products offers cost-effective solutions that boast versatility in enforcing complex safety sequences, hence, making them exemplary choices for highly demanding industrial settings.

The Power of mGard 

mGard Mechanical Trapped Key Interlocks

The mGard system by Fortress provides a suite of mechanical trapped key interlocks to ensure key sequences that are important in the safety environment with multiple sources of energy, including electrical, pneumatic, and hydraulic systems. These are sturdy interlocks that also eliminate the need for extensive electrical wiring, hence reducing installation and maintenance costs.

Why Mechanical Interlocks Matter 

mGard Mechanical Trapped Key Interlocks

For complex operations that involve multiple forms of energy, controls over the sequence of operation become highly important to safety. In such instances, the mGard system exhibits excellence, in which mechanical interlocks perform with respect to the right sequence of activity-right to preclude hazardous situations. Since the mGard system does not rely on programmable logic, the system is easily understood and quite reliable; it is also easily installed and maintained.

Built for Durability and Flexibility 

mGard Mechanical Trapped Key Interlocks

The mGard interlocks are designed for operation in the most challenging industrial environments. Constructed from both non-stainless and stainless steel, these interlocks are resistant to extreme conditions. The versatile design of the interlocking system allows them to be used across a wide range of applications where electrical isolation, pneumatic valve interlocking, or access control is required. Furthermore, the mGard range of products undergoes thorough testing and 3rd-party approval in ensuring they continue to meet the highest standards of safety and reliability.

Specialized Applications of the mGard Mechanical Trapped Key Interlocks 

The mGard range is versatile and can be customized to meet specific application requirements. Here are a few key areas where mGard interlocks provide critical safety solutions: 

Control Interlocking 
Whether you need key-operated switches, solenoid-controlled key switches, or time delay and voltage sensing solutions, the mGard range offers robust control interlocking systems that ensure operations are performed in the correct sequence. 

Power Interlocking 
For isolating various energy sources, mGard offers bolt modules for trapped key interlocking and pneumatic valve interlocking systems that effectively control and secure your operations. 

Access Control 
The mGard system also includes door access modules and actuators, providing secure access control that prevents unauthorized entry and ensures that all safety procedures are followed before access is granted. 

Why Choose Proax? 

Choosing the right safety system is essential, but so is choosing the right partner. As an authorized distributor of Fortress Interlocks, Proax provides not only top-tier products but also the expertise and support needed to implement them effectively. Our commitment to your safety and success means we’re with you every step of the way, from initial consultation to ongoing maintenance and support. 


The mGard Mechanical Trapped Key Interlocks offer a reliable, cost-effective solution for enforcing safety sequences in complex industrial operations. Contact Proax today to learn more about how mGard can enhance the safety and efficiency of your workplace. 

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