3A Switches | McMaster-Carr

Filter by

Actuator Style

Simulated Roller Lever

System of Measurement

Switching Voltage

208V AC to 600V AC

3V DC to 33V DC

4V DC to 48V DC

Switch Action

Panel Cutout Diameter

Number of Terminals

Wire Connection

Push-Button Style

Switch Designation

Push-Button Shape

Number of Circuits Controlled

Number of Positions

Mounting Location

Printed Circuit Board

Switch Starting Position

Environment

High-Pressure Washdown

Position Designation

Actuator Color

Illumination

Not Illuminated

Diameter

Switch Type

Input Voltage

24V AC to 240V AC

24V DC to 240V DC

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

REACH

DFARS Specialty Metals

How can we improve?

185 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

Snap-Acting Switches

Snap-Acting Switches

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

Sensor Switches

Sensor Switches

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

Magnetic Switches

Magnetic Switches

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

Motor Starters

Turn motors on and off and protect them from current overloads

Relays

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

Safety Switches

Safety Switches

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

Timer Relays

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

Lighting

Light Switches

Manually turn lights on and off

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