5 Terminal Switches | McMaster-Carr

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171 Products

Electrical Power, Networking, and Controlling

Lever Switches

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

1 product

Limit Switches

Turn equipment on or off when objects touch the actuator; often used for conveyors and bin filling

8 products

Speed-Monitoring Switches

Avoid downtime and machinery damage by detecting slowdowns in drive trains and conveyors

1 product

Push-Button Switches

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

1 product

Timer Relays

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

48 products

Relays

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

47 products

Vehicle Relays

Switch high-current loads on vehicles, such as starters, headlights, and fuel pumps

32 products

Interface Relays

Isolate input and output circuits to protect PLCs and other controllers

34 products

Potentiometers

Control speed, volume, and light intensity by varying electrical flow; also known as rheostats

1 product

Safety Equipment

Smoke Detector Test Stations

Test hard-to-reach HVAC smoke detectors from a convenient location

1 product

Fabricating and Machining

Abrasive Blaster Safety Switches

Shut off abrasive blasters if the operator loses control; also known as deadman switches

1 product