NEMA 12 Switches | McMaster-Carr

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System of Measurement

Switching Voltage

Panel Cutout Diameter

7/8"

1 1/2"

22 mm

Number of Positions

Environment

Corrosive

Dusty

High-Pressure Washdown

Switch Action

Actuator Style

Switching Current

Enclosure Rating

Number of Circuits Controlled

Number of Terminals

Electrical Phase

Switch Designation

Actuator Color

Switch Starting Position

Diameter

Mounting Location

Wire Connection

Input Voltage

Material

Illumination

REACH

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

RoHS

Compliant

Compliant with Exemptions

Not Compliant

Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

Exempt

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159 Products

Electrical Power, Networking, and Controlling

Lever Switches

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

3 products

Disconnect Switches

Make sure equipment stays turned off during inspection and maintenance

38 products

Key Switches

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

2 products

Magnetic Switches

Actuate when a magnet comes within sensing distance; often used to detect when doors or windows open

6 products

Fingerprint Scanners

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

3 products

Motor Switches

Turn motors, lighting, and electric heat circuits on and off

3 products

Proximity Sensors

Detect the presence or position of objects from a short sensing distance

3 products

Pendant Switches

Control machinery, such as cranes, hoists, and trolleys, from a safe distance

23 products

Motor Starter Switches

Combine with a thermal overload element to build a starter that can handle high-current-rated motors

3 products

VFDs

Control the speed and torque of AC electric motors

1 product

HMIs

Control PLCs, inverters, and other automated equipment

8 products

Fluid Handling

Level Sensor Switches

Activate equipment by detecting the liquid level in a tank

6 products