Contactor Switches | McMaster-Carr

Filter by

System of Measurement

Input Voltage

Switching Voltage

Actuator Style

Dual Switch Roller Lever

Switching Current

Number of Circuits Controlled

Number of Terminals

Switch Designation

Switch Action

Mounting Location

Printed Circuit Board

Wire Connection

Electrical Phase

Horsepower @ Switching Voltage

Switch Starting Position

Environment

High-Pressure Washdown

High-Temperature Washdown

Enclosure Rating

Certification

C-UL Recognized Component

TUV Rheinland Certified

TUV SUD Certified

UL Certified

UL Listed

UL Recognized Component

RoHS

Compliant

Compliant with Exemptions

Push-Button Style

Panel Cutout Diameter

REACH

Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

Actuator Color

Electrical Connection

Switch Type

2,769 Products

Electrical Power, Networking, and Controlling

Limit Switches

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

153 products

Manual Switches

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

646 products

Safety Switches

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

59 products

Motor Switches

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

46 products

Snap-Acting Switches

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

206 products

Sensor Switches

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

13 products

Magnetic Switches

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

120 products

Sensor Switch Transmitters

Monitor objects, switch equipment on and off, and send data to control systems with a single device

8 products

Relays

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

713 products

Motor Starters

Turn motors on and off and protect them from current overloads

451 products

Motor Starter Overload Protectors

Upgrade your motor starter protector to use less energy and emit less heat

8 products

Transistors

Boost weak electrical signals and rapidly control data transmission

20 products

Building and Machinery Hardware

Cam Latches

Secure drawers, cabinets, mailboxes, and other enclosures

18 products