CSA Certified Switches | McMaster-Carr

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System of Measurement

Switching Voltage

Actuator Style

Push Button with Slide Dimmer

Rocker Switch

Rocker Switch with Mini Slide Dimmer

Number of Terminals

Switch Action

Maintained

Momentary

Number of Positions

Switching Current

Panel Cutout Diameter

Position Designation

Number of Circuits Controlled

Wire Connection

Illumination

Environment

High-Pressure Washdown

High-Temperature Washdown

Switch Starting Position

Actuator Color

Electrical Connection

1/2" Circular Connector

Color

Mounting Location

Printed Circuit Board

Push-Button Style

RoHS

Compliant with Exemptions

Not Compliant

Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

Exempt

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

REACH

2,624 Products

Electrical Power, Networking, and Controlling

Toggle Switches

Flip the toggle from one position to the other, turning circuits on and off

81 products

Push-Button Switches

Our most common switch type actuates circuits with the push of a button

314 products

Lever Switches

Grip and twist the lever to turn circuits on and off, preventing accidental actuation

98 products

Rocker Switches

Press the wide, flat surface to easily turn circuits on and off

43 products

Snap-Acting Switches

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

115 products

Switch Contact Blocks

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

31 products

Motor Switches

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

34 products

Limit Switches

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

74 products

Emergency Stop Switches

Cut power to equipment during emergencies

145 products

Slide Switches

Like a flashlight, the switch slides from one side to the other to turn circuits on and off

1 product

Disconnect Switches

Make sure equipment stays turned off during inspection and maintenance

47 products

Key Switches

Turn a key to actuate circuits, preventing accidental start and limiting access

42 products

Finger-Touch Switches

Lightly touch with your finger to turn circuits on and off

17 products

Rotary Switches

Control multiple devices with a single switch

6 products

Proximity Sensors

Detect the presence or position of objects from a short sensing distance

139 products

Foot Switches

Step on the pedal to actuate circuits while keeping your hands free for other tasks

45 products

Timer Switches

Automatically turn electrical equipment on or off after a set interval

57 products

Vibration Switches

Monitor vibration in machinery and shut it down or sound an alarm if levels rise

1 product

Pendant Switches

Control machinery, such as cranes, hoists, and trolleys, from a safe distance

9 products

Joystick Switches

Move the joystick to steer and position cranes, robot arms, and other machinery

5 products

Magnetic Switches

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

3 products

Pull Switches

Tug on a cable or rope to turn on and off circuits, often for production lines along conveyors

1 product

Fingerprint Scanners

Use fingerprints to confirm the identity of personnel before granting access to areas or equipment

3 products

Safety Switches

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

18 products

Photoelectric Sensors

Detect objects from longer distances than proximity and ultrasonic sensors

24 products

Ethernet Switches

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

1 product

Automatic Door Switches

Doors open when you touch a button or the switches detect motion

9 products

Relays

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

201 products

Lighting Relays

Control lighting circuits and switch lighting systems on or off

13 products

Timer Relays

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

71 products

Monitoring Relays

Trip circuits or sound an alarm when voltage, current, or other limits are exceeded

6 products

Latching Relays

Lock into position so they don't require constant voltage to stay switched

9 products

Safety Relays

Monitor circuits and force machines to a safe stop if the relay detects a fault

35 products

Infrequent-Cycle Relays

Use with equipment that cycles on and off, such as HVAC systems

90 products

Alternating Relays

Automatically split run time between two devices so one isn't always running

2 products

Motor Starters

Turn motors on and off and protect them from current overloads

103 products

Potentiometers

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

1 product

PLCs

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

6 products

Motor Starter Overload Protectors

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

8 products

Motor Voltage Monitors

Protect electric motors by cutting power when faults occur

2 products

Power Receptacles

Install in a wall or panel to transmit power to plugs or sockets

68 products

Circuit Breakers

Reusable way to interrupt circuits when they overload or short

253 products

Lighting

Light Switches

Manually turn lights on and off

34 products

Light Sockets

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

20 products

Light Switch Sensors

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

6 products

Light Dimmers

Adjust the brightness of lights, even in large workspaces

3 products

Fluid Handling

Pressure Switches

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

109 products

Differential Pressure Switches

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

16 products

Pressure and Vacuum Switches

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

6 products

Vacuum Switches

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

3 products

Float Switches

Start process equipment such as pumps and motors when the liquid in your tank reaches the float

44 products

Flow Switches

Turn equipment on or off when flow rate reaches a set point

58 products

Directional Control Valves

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

9 products

Level Sensor Switches

Activate equipment by detecting the liquid level in a tank

12 products

Temperature Switches

Turn heating equipment on or off at a specified temperature

28 products

Temperature Controllers

Precisely regulate process temperatures; more accurate than temperature switches

14 products

Humidistats

Control the humidity in an enclosure or space

4 products

Pressure and Vacuum Transmitters

Convert pressure and vacuum measurements into a signal sent to remote displays and controllers

5 products

Heating, Ventilation, and Air Conditioning

Thermostats

Connect to heaters, fans, and air conditioners to control the temperature

18 products

HVAC Switches

Control and monitor airflow in HVAC systems automatically

2 products