IP20 Switches | McMaster-Carr

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975 Products

Electrical Power, Networking, and Controlling

Lever Switches

Grip and twist the lever to turn circuits on and off, preventing accidental actuation

81 products

Switch Contact Blocks

Mount to switches to control electrical circuits as you move the switch

26 products

Push-Button Switches

Our most common switch type actuates circuits with the push of a button

84 products

Enclosure Door Switches

Control fans, lights, and other devices inside your enclosure when you open and close the door

2 products

Emergency Stop Switches

Cut power to equipment during emergencies

57 products

Key Switches

Turn a key to actuate circuits, preventing accidental start and limiting access

13 products

Fingerprint Scanners

Use fingerprints to confirm the identity of personnel before granting access to areas or equipment

3 products

Proximity Sensor Safety Barriers

Safely send power to sensors in volatile areas such as refineries and power plants

2 products

Disconnect Switches

Make sure equipment stays turned off during inspection and maintenance

12 products

Foot Switches

Step on the pedal to actuate circuits while keeping your hands free for other tasks

2 products

PLCs

Program complex automation jobs by combining the functionality of a relay, timer relay, and switch

61 products

Relays

Electrically open and close circuits to control power to lights, motors, and other equipment

159 products

Proportional-Control Relays

Gradually adjust output instead of turning on or off

12 products

Safety Relays

Monitor circuits and force machines to a safe stop if the relay detects a fault

35 products

Interface Relays

Isolate input and output circuits to protect PLCs and other controllers

79 products

Monitoring Relays

Trip circuits or sound an alarm when voltage, current, or other limits are exceeded

26 products

Timer Relays

Turn machinery on or off after receiving an electrical signal that starts the timer

5 products

Circuit Breakers

Reusable way to interrupt circuits when they overload or short

231 products

Enclosure Thermostats

Control temperatures in an enclosure to protect electronics

23 products

Fluid Handling

Temperature Controllers

Precisely regulate process temperatures; more accurate than temperature switches

62 products

Humidistats

Control the humidity in an enclosure or space

4 products