Keyed Switches | McMaster-Carr

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Switch Action

Maintained

Momentary

Number of Positions

Switching Voltage

Panel Cutout Diameter

Actuator Style

Keying

Number of Terminals

Key Removal Position

Switch Starting Position

Wire Connection

Environment

High-Pressure Washdown

High-Temperature Washdown

Switch Designation

Number of Circuits Controlled

Switching Current

Mounting Location

Diameter

Key Number

Switch Type

Actuator Base Material

Depth Behind Panel

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

REACH

Compliant

Not Compliant

DFARS Specialty Metals

Exempt

RoHS

Compliant

Compliant with Exemptions

Not Compliant

Export Control Classification Number (ECCN)

Enclosure Rating

171 Products

Electrical Power, Networking, and Controlling

Key Switches

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

44 products

Key Actuators

Pair with a contact block to create a custom key switch

13 products

Push-Button Actuators

Pair with a contact block to create a custom push-button switch

1 product

Disconnect Switches

Make sure equipment stays turned off during inspection and maintenance

1 product

Safety Switches

Protect people by cutting power to machines when access doors open; also known as interlock switches

36 products

Emergency Stop Switches

Cut power to equipment during emergencies

13 products

Switch Guards

Prevent people from activating switches accidentally

2 products

Lighting

Light Switches

Manually turn lights on and off

4 products

Safety Equipment

Smoke Detector Test Stations

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

1 product

Communication

RFID Readers

Read RFID cards when prototyping systems or scan RFID tags to control circuits

2 products

Fluid Handling

Directional Control Valves

Manage the flow of fluids to move equipment in air- and hydraulic-powered systems

2 products