Screw Terminal Switches | McMaster-Carr

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System of Measurement

Switching Voltage

6V AC to 400V AC

6V AC to 125V DC

6V AC to 300V DC

12V AC to 140V AC

12V AC to 250V 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 242V AC

42V AC to 530V AC

Actuator Style

Cross Roller Plunger

Rocker Switch with Mini Slide Dimmer

Rocker Switch with Push Button Dimmer

Toggle Switch with Mini Slide Dimmer

Switch Action

Number of Terminals

Number of Positions

Switching Current

Number of Circuits Controlled

Position Designation

Off-on-on-on-On

Off-on-on-on-on-On

Wire Connection

Standard Banana

Panel Cutout Diameter

Illumination

Not Illuminated

Environment

Food and Beverage

High-Pressure Washdown

High-Temperature Washdown

Switch Starting Position

Actuator Color

Mounting Location

Push-Button Style

Push-Button Shape

Input Voltage

20V AC to 250V AC

24V AC to 240V AC

85V AC to 250V AC

90V AC to 250V AC

90V AC to 264V AC

100V AC to 240V AC

190V AC to 480V AC

200V AC to 240V AC

Bulb Voltage

Enclosure Rating

DFARS Specialty Metals

Export Control Classification Number (ECCN)

RoHS

Compliant with Exemptions

REACH

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2,381 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

Motor Switches

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

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

Disconnect Switches

Disconnect Switches

Make sure equipment stays turned off during inspection and maintenance

Timer Switches

Automatically turn electrical equipment on or off after a set interval

Relays

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

Ethernet Switches

Ethernet Switches

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

Safety Switches

Safety Switches

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

PLCs

Program complex automation jobs by combining the functionality of a relay, timer relay, and switch

PLC Input and Output Modules

PLC Input and Output Modules

Connect switches, transmitters, and actuators to your PLC for complex automation jobs

Potentiometers

Control speed, volume, and light intensity by varying electrical flow; also known as rheostats

Timer Relays

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

Sensor Switches

Sensor Switches

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

Switch Safety Barriers

Switch Safety Barriers

Safely send power to switches and sensors in volatile areas such as refineries and power plants

Motor Starter Switches

Motor Starter Switches

Combine with a thermal overload element to build a starter that can handle high-current-rated motors

Motor Starter Overload Protectors

Motor Starter Overload Protectors

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

Motor Voltage Monitors

Motor Voltage Monitors

Protect electric motors by cutting power when faults occur

Motor Speed Controls

Motor Speed Controls

Manage the speed of AC and DC motors

Magnetic Switches

Magnetic Switches

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

Circuit Breakers

Circuit Breakers

Reusable way to interrupt circuits when they overload or short

Lighting

Light Switches

Manually turn lights on and off

Light Switch/Receptacles

Light Switch/Receptacles

Combine a switch and receptacle into a single outlet box for a small footprint

Light Dimmers

Adjust the brightness of lights, even in large workspaces

Light Switch Sensors

Light Switch Sensors

Automatically turn lights on and off when you enter and exit rooms

Light Sockets

Install or replace sockets in fixtures for standard household, tubular, compact, or miniature bulbs

Fluid Handling

Humidity Controllers

Humidity Controllers

Monitor humidity and control it by automatically turning equipment on and off

Temperature Controllers

Temperature Controllers

Precisely regulate process temperatures; more accurate than temperature switches

Temperature Switches

Temperature Switches

Turn heating equipment on or off at a specified temperature

Water Heater Thermostats

Water Heater Thermostats

Replace the thermostat on your water heater

Pressure Switches

Pressure Switches

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

Differential Pressure Switches

Differential Pressure Switches

Activate controls and alarms when the pressure difference between process lines exceeds a setpoint

Pressure and Vacuum Switches

Pressure and Vacuum Switches

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

Vacuum Switches

Vacuum Switches

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

Directional Control Valves

Directional Control Valves

Manage the flow of fluids to move equipment in air- and hydraulic-powered systems

Safety Equipment

Smoke Detector Test Stations

Smoke Detector Test Stations

Test hard-to-reach HVAC smoke detectors from a convenient location

Smoke Detectors

Smoke Detectors

Warn people when there's smoke in your facility

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