Sealed Switches | McMaster-Carr

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EAR99

DFARS Specialty Metals

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2,609 Products

Electrical Power, Networking, and Controlling

Push-Button Switches

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

332 products

Toggle Switches

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

63 products

Pendant Switches

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

61 products

Key Switches

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

20 products

Rocker Switches

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

32 products

Emergency Stop Switches

Cut power to equipment during emergencies

130 products

Switch Mounts

Mount switches to panel cutouts, tank walls, or conveyors

5 products

Finger-Touch Switches

Lightly touch with your finger to turn circuits on and off

26 products

Lever Switches

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

103 products

Limit Switches

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

133 products

Disconnect Switches

Make sure equipment stays turned off during inspection and maintenance

157 products

Snap-Acting Switches

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

66 products

Bumper Switches

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

31 products

Ethernet Switches

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

20 products

Sensor Switches

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

629 products

Photoelectric Switch Reflectors

Pair with sensor switches to reflect light back at them

38 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

71 products

Motor Switches

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

2 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

7 products

Sensor Switch Transmitters

Monitor objects, switch equipment on and off, and send data to control systems with a single device

21 products

Touch-Pad Switches

Lay flat or mount on a wall to alert you when doors open or objects are removed

2 products

Ribbon Switches

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

12 products

Switch Mats

Step on a mat to actuate circuits, often to control doors, lights, and alarms

23 products

Enabling Switches

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

8 products

Foot Switches

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

36 products

Pull Switches

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

3 products

Doorbell Switches

Activate doorbells or buzzers with the push of a button

1 product

Joystick Switches

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

11 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

Potentiometers

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

2 products

Light Curtains

Immediately cut power to machinery when anything blocks the light beam

44 products

Relays

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

7 products

Motor Starters

Turn motors on and off and protect them from current overloads

189 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

Communication

RFID Readers

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

2 products