4 Terminal Switches | McMaster-Carr

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Actuator Style

Cross Roller Plunger

Rocker Switch with Push Button Dimmer

Rocker Switch with Slide Dimmer

Switching Voltage

12V AC to 140V AC

12V AC to 275V AC

12V AC to 277V AC

24V AC to 240V AC

24V AC to 264V AC

24V AC to 265V AC

24V AC to 280V AC

24V AC to 420V AC

42V AC to 530V AC

42V AC to 660V AC

Switch Action

Number of Terminals

Number of Positions

Number of Circuits Controlled

Switching Current

Switch Designation

Illumination

Not Illuminated

Panel Cutout Diameter

Position Designation

Switch Starting Position

Environment

Food and Beverage

High-Pressure Washdown

High-Temperature Washdown

Actuator Color

Wire Connection

Mounting Location

Printed Circuit Board

Push-Button Style

Bulb Voltage

Push-Button Shape

Input Voltage

Enclosure Rating

Switch Type

REACH

Export Control Classification Number (ECCN)

DFARS Specialty Metals

RoHS

Compliant with Exemptions

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664 Products

Electrical

Manual Switches

Manual Switches

Everything from toggle, push-button, and rocker switches to foot switches

Manual Switch Contact Blocks

Manual Switch Contact Blocks

Mount to switches to control electrical circuits as you move the switch

Limit Switches

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

Light Switches

Manually turn lights on and off

Light Dimmers

Adjust the brightness of lights, even in large workspaces

Relays

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

Disconnect Switches

Disconnect Switches

Make sure equipment stays turned off during inspection and maintenance

Safety Switches

Safety Switches

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

Snap-Acting Switches

Snap-Acting Switches

Open and close circuits quickly to minimize arcing and sticking; often used as door-open indicators

Timer Switches

Automatically turn electrical equipment on or off after a set interval

Ethernet Switches

Ethernet Switches

Expand your data network by connecting computers, printers, and servers

Timer Relays

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

Fluid Handling

Pressure Switches

Pressure Switches

Activate controls, set off alarms, and power equipment when a set pressure is reached

Measuring and Inspecting

Signal Output Testers

Signal Output Testers

Check if the signal output of a DC switch is NPN or PNP to know how to wire components

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)