NEMA 12 Switches | McMaster-Carr

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System of Measurement

Switching Voltage

Switch Action

Actuator Style

Panel Cutout Diameter

7/8"

1 1/2"

22 mm

Number of Positions

Environment

Corrosive

Dusty

High-Pressure Washdown

Enclosure Rating

Switching Current

Switch Designation

Number of Terminals

Number of Circuits Controlled

Actuator Color

Diameter

Switch Starting Position

Wire Connection

Number of Buttons

Input Voltage

Mounting Location

Electrical Phase

Switch Type

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

Export Control Classification Number (ECCN)

REACH

RoHS

Compliant with Exemptions

Not Compliant

DFARS Specialty Metals

Exempt

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146 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

Pendant Switches

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

23 products

Magnetic Switches

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

6 products

Key Switches

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

2 products

Fingerprint Scanners

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

2 products

Motor Switches

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

3 products

Sensor Switches

Detect moving objects from a distance, triggering a circuit to open or close

2 products

Motor Starter Switches

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

3 products

Motor Speed Controls

Manage the speed of AC and DC motors

1 product

Fluid Handling

Level Sensor Switches

Activate equipment by detecting the liquid level in a tank

6 products