High-Current Switches | McMaster-Carr

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System of Measurement

Switching Current

Input Voltage

Switching Voltage

Number of Circuits Controlled

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Horsepower @ Switching Voltage

Actuator Style

Switch Action

Electrical Connection

Tab

Terminal

Wire Leads

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Certification

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UL Recognized Component

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Compliant with Exemptions

Color

DFARS Specialty Metals

Exempt

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

Yes

Export Control Classification Number (ECCN)

REACH

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390 Products

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Electrical Power, Networking, and Controlling

Toggle Switches

Flip the toggle from one position to the other, turning circuits on and off

19 products

Rocker Switches

Press the wide, flat surface to easily turn circuits on and off

37 products

Key Switches

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

3 products

Timer Switches

Automatically turn electrical equipment on or off after a set interval

39 products

Relays

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

88 products

Infrequent-Cycle Relays

Use with equipment that cycles on and off, such as HVAC systems

147 products

Relay Contacts

Replace contacts on your relay

47 products

Lighting Relays

Control lighting circuits and switch lighting systems on or off

13 products

Proportional-Control Relays

Gradually adjust output instead of turning on or off

12 products