Sealed Switches | McMaster-Carr

Filter by

System of Measurement

Switching Voltage

Environment

High-Pressure Washdown

High-Temperature Washdown

Switch Action

Diameter

Switching Current

Electrical Connection

1/2" Circular Connector

Enclosure Rating

Switch Starting Position

Panel Cutout Diameter

Switch Designation

Input Voltage

Number of Terminals

Actuator Color

Push-Button Style

Wire Connection

Number of Circuits Controlled

Color

Illumination

Output Digital Signal

RoHS

Compliant with Exemptions

Not Compliant

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

Yes

Export Control Classification Number (ECCN)

EAR99

REACH

Compliant

Not Compliant

DFARS Specialty Metals

Exempt

Forward

How can we improve?

2,640 Products

Electrical Power, Networking, and Controlling

Toggle Switches

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

63 products

Push-Button Switches

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

393 products

Rocker Switches

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

32 products

Pendant Switches

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

98 products

Key Switches

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

35 products

Emergency Stop Switches

Cut power to equipment during emergencies

170 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

36 products

Lever Switches

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

126 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

68 products

Safety Light Curtains

Immediately cut power to machinery when anything blocks the light beam

65 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

Photoelectric Sensor Reflectors

Pair with reflector photoelectric sensors to bounce light back at them

38 products

Limit Switches

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

133 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

Rotary Switches

Control multiple devices with a single switch

6 products

Transfer Switches

Switch to backup power during an outage

7 products

Touch-Pad Switches

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

4 products

Ribbon Switches

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

15 products

Switch Mats

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

33 products

Enabling Switches

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

9 products

Foot Switches

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

44 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

15 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

3 products

Photoelectric Sensors

Detect objects from longer distances than proximity and ultrasonic sensors

227 products

Proximity Sensors

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

421 products

Cylinder Position Sensors

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

8 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

Potentiometers

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

5 products

Motor Starters

Turn motors on and off and protect them from current overloads

189 products

Safety Relays

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

9 products

Fabricating and Machining

Abrasive Blaster Safety Switches

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

2 products

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