Safety Switches | McMaster-Carr

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System of Measurement

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Dual Switch Roller Lever

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Number of Circuits Controlled

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Maintained

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C-ETL Listed

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C-UL Recognized Component

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Number of Wire Leads

Electrical Connection

1/2" Circular Connector

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Flat-Pin Mini Thermocouple Connector

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Compliant with Exemptions

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REACH

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

Yes

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

EAR99

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2,918 Products

Electrical Power, Networking, and Controlling

Disconnect Switches

Make sure equipment stays turned off during inspection and maintenance

262 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

143 products

Snap-Acting Switches

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

206 products

Sensor Switches

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

681 products

Push-Button Switches

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

395 products

Switch Guards

Prevent people from activating switches accidentally

2 products

Bumper Switches

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

31 products

Motor Switches

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

7 products

Toggle Switches

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

40 products

Finger-Touch Switches

Lightly touch with your finger to turn circuits on and off

26 products

Foot Switches

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

69 products

Key Switches

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

16 products

Pull Switches

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

3 products

Air-Actuated Switches

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

7 products

Transfer Switches

Switch to backup power during an outage

7 products

Lever Switches

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

130 products

Pendant Switches

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

67 products

Ribbon Switches

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

10 products

Enabling Switches

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

10 products

Battery Switches

Turn the knob to alternate between two batteries without interrupting power

1 product

Fingerprint Scanners

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

2 products

Enclosure Door Switches

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

2 products

Switch Padding

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

4 products

Doorbell Switches

Activate doorbells or buzzers with the push of a button

22 products

Joystick Switches

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

3 products

Relays

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

8 products

Light Curtains

Immediately cut power to machinery when anything blocks the light beam

44 products

Tablet Holders

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

3 products

Fusible Link Switches

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

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

30 products

Building and Machinery Hardware

Push-to-Close Latches

Automatically hold doors shut when you push them closed

3 products

Cam Latches

Secure drawers, cabinets, mailboxes, and other enclosures

30 products

Fluid Handling

Temperature Controllers

Precisely regulate process temperatures; more accurate than temperature switches

8 products

Heating, Ventilation, and Air Conditioning

Thermostats

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

7 products

Fabricating and Machining

Abrasive Blaster Safety Switches

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

6 products

Lighting

Light Switch/Receptacles

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

3 products

Measuring and Inspecting

Rotary Switches

Control multiple devices with a single switch

4 products

Facility and Grounds Maintenance

Mirrors

View your reflection or deflect beams from safety barrier switches for a perimeter around machinery

10 products