Safety Switches | McMaster-Carr

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3,030 Products

Electrical Power, Networking, and Controlling

Disconnect Switches

Make sure equipment stays turned off during inspection and maintenance

260 products

Safety Switches

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

59 products

Magnetic Switches

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

120 products

Limit Switches

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

153 products

Emergency Stop Switches

Cut power to equipment during emergencies

190 products

Snap-Acting Switches

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

209 products

Push-Button Switches

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

457 products

Proximity Sensors

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

428 products

Bumper Switches

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

31 products

Switch Guards

Prevent people from activating switches accidentally

2 products

Pull Switches

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

3 products

Finger-Touch Switches

Lightly touch with your finger to turn circuits on and off

36 products

Key Switches

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

31 products

Toggle Switches

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

40 products

Motor Switches

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

7 products

Lever Switches

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

156 products

Safety Light Curtains

Immediately cut power to machinery when anything blocks the light beam

65 products

Photoelectric Sensors

Detect objects from longer distances than proximity and ultrasonic sensors

263 products

Enclosure Door Switches

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

2 products

Air-Actuated Switches

Press with your hand or foot to turn circuits on and off with air pressure

11 products

Transfer Switches

Switch to backup power during an outage

7 products

Foot Switches

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

86 products

Battery Switches

Turn the knob to alternate between two batteries without interrupting power

1 product

Enabling Switches

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

18 products

Pendant Switches

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

90 products

Switch Padding

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

4 products

Joystick Switches

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

5 products

Fingerprint Scanners

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

3 products

Rotary Switches

Control multiple devices with a single switch

6 products

Ribbon Switches

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

13 products

Doorbell Switches

Activate doorbells or buzzers with the push of a button

22 products

Automatic Door Switches

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

18 products

Ultrasonic Sensors

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

21 products

Safety Light Curtain Mirrors

Deflect beams from a set of safety barrier switches to form a perimeter around machinery

10 products

Safety Relays

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

64 products

Fusible Link Switches

Use as a safety switch to shut off hydraulic equipment and other machinery when the link melts

10 products

Building and Machinery Hardware

Push-to-Close Latches

Automatically hold doors shut when you push them closed

3 products

Cam Locks

Unlock with a key, magnetic fob, screwdriver, or number combination

30 products

T-Slotted Framing Switches

Attach to your rail to actuate components or cut power

10 products

Communication

Labels

Stick onto items to identify or convey information about them

1 product

Legend Plates

Mark switches and lights on control panels for easy identification

32 products

Lighting

Light Switch/Receptacles

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

3 products

Heating, Ventilation, and Air Conditioning

Thermostats

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

7 products

Fluid Handling

Temperature Controllers

Precisely regulate process temperatures; more accurate than temperature switches

8 products

Fabricating and Machining

Abrasive Blaster Safety Switches

Shut off abrasive blasters if the operator loses control; also known as deadman switches

11 products