CE Marked Switches | McMaster-Carr

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3,584 Products

Electrical Power, Networking, and Controlling

Lever Switches

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

154 products

Push-Button Switches

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

235 products

Toggle Switches

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

40 products

Switch Contact Blocks

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

26 products

Limit Switches

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

105 products

Disconnect Switches

Make sure equipment stays turned off during inspection and maintenance

150 products

Emergency Stop Switches

Cut power to equipment during emergencies

157 products

Proximity Sensors

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

351 products

Snap-Acting Switches

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

27 products

Foot Switches

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

36 products

Finger-Touch Switches

Lightly touch with your finger to turn circuits on and off

26 products

Safety Switches

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

36 products

Battery Switches

Turn the knob to alternate between two batteries without interrupting power

1 product

Magnetic Switches

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

55 products

Key Switches

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

29 products

Enclosure Door Switches

Control fans, lights, and other devices inside your enclosure when you open and close the door

2 products

Photoelectric Sensors

Detect objects from longer distances than proximity and ultrasonic sensors

262 products

Ethernet Switches

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

46 products

Vibration Switches

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

4 products

Speed-Monitoring Switches

Avoid downtime and machinery damage by detecting slowdowns in drive trains and conveyors

1 product

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

Joystick Switches

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

5 products

Proximity Sensor Safety Barriers

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

2 products

Timer Switches

Automatically turn electrical equipment on or off after a set interval

7 products

Enabling Switches

Equipment only runs while you press the switch; also known as deadman switches

9 products

Ribbon Switches

Place across driveways or walkways to actuate when foot and vehicle traffic pass over

13 products

Pendant Switches

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

8 products

Ultrasonic Sensors

Measure the distance to objects and the level of liquids and materials

20 products

Switch Padding

Trigger an emergency stop when robot arms contact a worker or object

4 products

Transfer Switches

Switch to backup power during an outage

2 products

Light Curtains

Immediately cut power to machinery when anything blocks the light beam

20 products

Bumper Switches

Signal when overhead doors close or items reach the end of conveyors

8 products

Cylinder Position Sensors

Monitor your air cylinder rod's position and turn the cylinder on and off

8 products

HMIs

Control PLCs, inverters, and other automated equipment

1 product

IO Link Programmers

Configure your IO Link devices without a PC, outlet, or separate software

1 product

Motor Starters

Turn motors on and off and protect them from current overloads

17 products

Potentiometers

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

3 products

PLCs

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

75 products

Motor Speed Controls

Manage the speed of AC and DC motors

25 products

Tablet Holders

Equip tablets with safety switches to halt robots, conveyors, and other machinery in an instant

3 products

Relays

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

189 products

Timer Relays

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

86 products

Proportional-Control Relays

Gradually adjust output instead of turning on or off

12 products

Interface Relays

Isolate input and output circuits to protect PLCs and other controllers

46 products

Monitoring Relays

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

26 products

Latching Relays

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

23 products

Safety Relays

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

33 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

Power Receptacles

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

35 products

Data Connection Hubs

Add USB, DisplayPort, or HDMI ports to your computer to connect multiple device

10 products

Circuit Breakers

Reusable way to interrupt circuits when they overload or short

274 products

Fluid Handling

Pressure Switches

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

241 products

Differential Pressure Switches

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

41 products

Vacuum Switches

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

21 products

Pressure and Vacuum Switches

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

6 products

Flow Switches

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

94 products

Level Sensor Switches

Activate equipment by detecting the liquid level in a tank

8 products

Float Switches

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

4 products

Directional Control Valves

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

7 products

Temperature Controllers

Precisely regulate process temperatures; more accurate than temperature switches

79 products

Temperature Switches

Turn heating equipment on or off at a specified temperature

26 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

23 products

Flow Transmitters

Send flow rate measurements to PLCs, data loggers, and remote displays

41 products

Heating, Ventilation, and Air Conditioning

HVAC Switches

Control and monitor airflow in HVAC systems automatically

1 product

Thermostats

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

24 products

Measuring and Inspecting

Rotary Switches

Control multiple devices with a single switch

6 products

Signal Output Testers

Check if the signal output of a DC switch is NPN or PNP to know how to wire components

1 product

Building and Machinery Hardware

T-Slotted Framing Switches

Attach to your rail to actuate components or cut power

10 products

Communication

RFID Readers

Read RFID cards when prototyping systems or scan RFID tags to control circuits

8 products