IP20 Switches | McMaster-Carr

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962 Products

Electrical Power, Networking, and Controlling

Lever Switches

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

70 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

72 products

Emergency Stop Switches

Cut power to equipment during emergencies

46 products

Enclosure Door Switches

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

2 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

23 products

PLC Expansion Modules

Connect switches, transmitters, and actuators to your PLC for complex automation jobs

39 products

Relays

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

137 products

Proportional-Control Relays

Gradually adjust output instead of turning on or off

12 products

Interface Relays

Isolate input and output circuits to protect PLCs and other controllers

48 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

Safety Relays

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

31 products

Circuit Breakers

Reusable way to interrupt circuits when they overload or short

231 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

Heating, Ventilation, and Air Conditioning

Thermostats

Connect to heaters, fans, and air conditioners to control the temperature

23 products