Contactor Switches | McMaster-Carr

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System of Measurement

Input Voltage

Switching Voltage

Actuator Style

Dual Switch Roller Lever

Switching Current

Number of Terminals

Number of Circuits Controlled

Switch Designation

Switch Action

Mounting Location

Printed Circuit Board

Horsepower @ Switching Voltage

Wire Connection

Electrical Phase

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Environment

High-Pressure Washdown

High-Temperature Washdown

Enclosure Rating

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C-UL Recognized Component

TUV Rheinland Certified

TUV SUD Certified

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UL Listed

UL Recognized Component

Push-Button Style

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Compliant with Exemptions

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REACH

Compliant

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Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

Exempt

Panel Cutout Diameter

Actuator Color

Switch Type

Illumination

2,778 Products

Electrical

Limit Switches

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

149 products

Manual Switches

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

645 products

Relays

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

718 products

Safety Switches

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

39 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

Motor Switches

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

45 products

Snap-Acting Switches

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

213 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

88 products

Transistors

Boost weak electrical signals and rapidly control data transmission

20 products

Sensor Switch Transmitters

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

8 products

Building and Machinery Hardware

Cam Latches

Secure drawers, cabinets, mailboxes, and other enclosures

18 products