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Actuator Type

Roller lever

Roller plunger

Pin plunger

Sealed roller plunger

Flexible Rod Coil Spring

Order lever separately

Crossroller plunger

Top Roller Plunger

Plunger

Hinge lever

Short hinge roller lever

Bevel plunger

Short plunger

Plastic rod lever

Panel mount roller plunger

Hinge roller lever

Adjustable Roller lever

Horizontal Plunger

Sealed pin plunger

Built-In Indicator

BASIC SWITCH

Neon Lamp

Neon lamp

Conduit Opening

G1/2 Without ground terminal 

1/2-14 NPT

G1/2 without ground terminal

1/2-14NPSM without ground terminal

G1/2

2 x G1/2

Screw terminal

4 x G1/2

Pg13.5 with ground terminal

G1/2 with Ground Terminal (CE)

1/2-14 National Pipe Thread (NPT)

1/2-14NPT with ground terminal

Solder terminal

G1/2 with ground terminal

Molded terminal

G 1/2

Indicator

LED (DC)

Up to 30 A at NC, Up to 15 A at NO

Neon lamp (AC)

Light-Emitting Diode (LED) Indicator, 6 A at 24 VDC

LED  

LED,24V

Inrush Current

Up to 75 A

Up to 9 A at NC, Up to 4.5 A at NO

Lever Radius

38.1 mm

38 mm

150 mm

350 to 380 mm

25 to 140 mm

25 to 89 mm

33 to 91 mm

63 mm

33.7 mm

50 mm

417.5 mm

290 mm

95.3 mm

650 to 660 mm

Up to 141 mm

Lever Roller

Ball Bearing

Mounting Hole Size

4.2 mm

3.56 mm

Mounting Type

40 mm (EN 50041)

30 mm (EN 50047)

Number of Actuators

Roller Diameter

19.1 mm

17.5 mm

3 mm

4 mm

3.2 mm

17 mm

Roller Material

Stainless Steel

Nylon

Resin

Roller Width

7.9 mm

15 mm

6 mm

7 mm

7.4 mm

60 mm

30 mm

Special Function

High-Capacity Switch

Direct Current Switch

Two Circuit Switch

Corrosion Proof

Heat-resistant

Splatter Prevention

High-temperature Switch

With Reset button

Weather-proof

Low-temperature

Air-tight built-in

Spatter-prevention

Direct wire

Terminal Type

Quick connect terminal

Type

Adjustable Rod Lever

Front Mount Standard Roller Lever

Adjustable Roller Lever

Mounting Plate

Back Mount Standard Roller Lever

Single Pole Double Throw (SPDT) Switch Receptacle

Cross Roller Plunger Operating Head

Coil Spring Wobble Lever Operating Head

Front Mount Adjustable Roller Lever

Roller Lever Operating Head

Standard Side Rotary Head

Both Front Fork Roller Lever

Looped Rod Lever

Sealed Cross Roller Plunger Operating Head

Plastic Rod Operating Head

Top Roller Plunger Operating Head

Standard Roller Lever

Plain Top Plunger Operating Head

Adjustable Top Plunger Operating Head

Use With

D4A-N

D4C-1603

D4C-1620

D4C-x033

D4C-1650

D4C-xx20, D4C-xx24

D4A-11xxN, D4A-130xN, D4A-1E0xN

D4A-25xxN, D4A-2717N [Sequential], D4A-2918N [Center Neutral]

D4C-1631, D4CC-1631

D4C-1602

D4C-1032

WLG2

D4C-xx29

D4CC-x060

D4CC-x001

D4CC-x020

VB series

WLG12

Omron

<section><h2>The limit switch for more demanding applications</h2><div class='introduction'><p>D4A has a double seal on the head and a complete gasket cover to ensure a better seal. The housing has been improved to ensure greater shock resistance. Models with fluoro-rubber are available for use in chemical applications.</p><ul><li>Wide standard operating temperature range:  -40°C to 100°C (standard)</li><li>Block mounting method reduces weight to 260g</li><li>Block mounting method also reduces downtime for maintenance</li><li>Meets UL NEMA 3, 4, 4X, 6P, 12 and 13</li><li>Immersion-proof IP67</li></ul></div></section>

D4A-0006N

Limit switch replacement head for D4A, side plunger

D4A-0007-H-N

Limit switch replacement head for D4A, side plunger, horizontal roller

D4A-0007-V-N

Limit switch replacement head for D4A, side plunger, vertical roller

D4A-0008N

Limit switch replacement head for D4A, side plunger, adjustable

D4A-0015N

Limit switch replacement head for D4A, flexible rod, coil spring

D4A-0017N

Limit switch replacement head for D4A, roller lever, sequential operation

D4A-0024N

Stainless Steel Rod Wobble Lever Operating Head

D4A-0300N

Single Pole Double Throw (SPDT) Switch Body with Neon Lamp Indicator

D4A-0700N

Double Pole Double Throw (DPDT) Sequential Operation Switch Body

D4A-1106-N

D4A-1107-H-N

D4A-1107-V-N

D4A-1124N

D4A-1301N

D4A-1302N

D4A-1E01N

D4A-1E05N

D4A-2502-N

D4A-2505-N

Maintained Contact Side Rotary Limit Switch

D4A-2507-V-N

The WL-N limit switch series offers a variety of environment-resistance models that make it ideal for machine tool, welding, and automotive applications.Utilizes 30.2 mm x 58.7 mm mounting hole pattern.<ul>
<li>30.2 mm x 58.7 mm mounting hole pattern.</li>
<li>Wide variety of head shapes, including Roller Lever, Plunger, Flexible Rod, and Fork Lock Lever Switches</li>
<li>Environment resistant models for harsh environments, spatter resistant models for welding processes, and long-life models for high-frequency us</li>
<li>Available LED operation indicators&#39;</li>
<li>Available pre-wired</li>
<li>Available with 2 m and 5 m I/O cables with M12 connectors</li>
<li>IP67 rated</li>
</ul>


WL-N Series Two-circuit Limit Switch

The D4A limit switch series offer increased sealing protection, shock resistance and strength. It provides excellent durability with a wide operating temperature of -40°C/F- 100°C/212°F (standard type). Utilizes a 29.4mm x 59.5mm mounting hole pattern.<ul>
<li>29.4 mm x 59.5 mm mounting hole pattern</li>
<li>Wide variety of head shapes, including Roller Lever, Plunger, Flexible Rod, and Fork Lock Lever Switches</li>
<li>A double seal on the head, a complete gasket cover, and other features ensure a better seal (meets UL NEMA 3, 4, 4X, 6P, 12, 13)</li>
<li>Wide operating temperature of -40°C/F- 100°C/212°F (standard type)</li>
<li>Models with fluoro-rubber available for greater resistance to chemicals</li>
<li>Block mounting method also reduces downtime for maintenance</li>
<li>DPDT, double-break models available for complex operations</li>
<li>Approved by UL, CSA, and CCC</li>
<li>Available LED operation indicator</li>
<li>IP67 rated</li>
</ul>


D4A-N Series General-Purpose Limit Switch

The D4C series is a slim, 16 mm, enclosed limit switch with high environmental resistance. This type of limit switch is popular in many applications where space is limited and high durability is required.<ul>
<li>25 mm mounting hole pattern</li>
<li>Slim 16 mm thick body</li>
<li>Offered in a variety of actuators such as pin plunger, plastic rod, hinge lever, cross roller lever and roller lever</li>
<li>Available with LED operation indicators</li>
<li>Prewired and weather-resistant models available</li>
<li>Standard models come with 3 m or 5 m cables with VCTF oil-resistance cables</li>
<li>Triple-sealed construction: Plunger section sealed via nitrile rubber packing seal and diaphragm; switch section sealed via nitrile rubber cap; cable entrance sealed via encapsulating material</li>
<li>IP67 rated</li>
</ul>


D4C Enclosed Switch

The D4CC series is a slim, 16 mm, enclosed limit switch with high environmental resistance. This type of limit switch is popular in many applications where space is limited and high durability is required. The D4CC series utilizes cable connectors to simplify maintenance.<ul>
<li>25 mm mounting hole pattern</li>
<li>Slim 16 mm thick body</li>
<li>Offered in a variety of actuators such as pin plunger, plastic rod, hinge lever, cross roller lever and roller lever</li>
<li>Available with LED operation indicators</li>
<li>Uses cable connectors for easy switch replacement</li>
<li>IP67 rated</li>
</ul>


D4CC Miniature Enclosed Switch

The D4E-N family is a slim, compact line up of enclosed switches which offers extra protection in harsh environments.<ul>
<li>33 mm mounting hole pattern</li>
<li>Flat springs with an improved lever ratio of the built-in switch ensure smooth snap action and long life expectancy</li>
<li>Protection cover protects the built-in switch from dust and oil. Plunger incorporates a tough seal cap that lasts for a long time</li>
<li>One touch connector eliminates need for tedious wiring operations and reduces downtime for wiring and maintenance (models with standard, easy-to-use screw terminals are also available)</li>
<li>Minute load model with gold cladding is optimal for electronic control</li>
<li>Molded terminal types as well as molded terminal types with operating indicator lamps are available for screw terminal systems</li>
</ul>


D4E-N Small Enclosed Switch

D5B’s detection of objects in multiple directions with high sensitivity makes it an ideal switch for usage in robotics. It operates even with a slight force and a slow-action mechanism is used. Its movement differential is as small as 0.01mm, assuring high accuracy of detection.<ul>
<li>High-sensitivity mechanical touch switch</li>
<li>Detects objects in multiple directions and operates with slight force</li>
<li>Movement differential of 0.01mm assures high accuracy of detection</li>
<li>Gold-plated contacts capable of switching micro current/voltage load</li>
<li>Highly resistant to dust, fine particles, water or oil splashes (IP67)</li>
</ul>


D5B Mechanical Touch Switch

The Z-series basic limit switch is Omron's best selling limit switch for several decades. These switches offer high precision up to 15A and have a wide variety of actuator and contact types. Utilizes the common 25.4mm mounting hole pattern.<ul>
<li>25.4 mm mounting hole pattern</li>
<li>A large switching capacity of 15 A with high repeat accuracy</li>
<li>A wide range of variations in contact form for your selection: basic, split-contact, maintained-contact, and adjustable contact gap types</li>
<li>Offered in a variety of actuators such as pin plunger, hinge lever and roller lever</li>
<li>Drip proof protection models available</li>
<li>Molded terminals available</li>
<li>High sensitivity models available</li>
<li>IP00 rated</li>
</ul>


Z Series General Purpose Basic Switch

Limit Switches