UL 508 Switches | McMaster-Carr

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Switch Action

System of Measurement

Switching Voltage

42V AC to 660V AC

Actuator Color

Panel Cutout Diameter

Actuator Style

Cross Roller Plunger

Illumination

Not Illuminated

Push-Button Style

Switch Designation

Number of Positions

Environment

High-Pressure Washdown

Number of Terminals

Number of Circuits Controlled

Push-Button Shape

Switch Starting Position

Actuator Base Material

Bulb Voltage

Color

Wire Connection

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

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

DFARS Specialty Metals

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706 Products

Electrical Power, Networking, and Controlling

Push-Button Switches

Push-Button Switches

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

Lever Switches

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

Switch Contact Blocks

Switch Contact Blocks

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

Limit Switches

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

Disconnect Switches

Disconnect Switches

Make sure equipment stays turned off during inspection and maintenance

Emergency Stop Switches

Emergency Stop Switches

Cut power to equipment during emergencies

Joystick Switches

Joystick Switches

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

Safety Switches

Safety Switches

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

Pendant Switches

Pendant Switches

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

Proximity Sensors

Proximity Sensors

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

Infrequent-Cycle Relays

Infrequent-Cycle Relays

Use with equipment that cycles on and off, such as HVAC systems

Timer Relays

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

Relays

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

Motor Starters

Turn motors on and off and protect them from current overloads

Fluid Handling

Pressure Switches

Pressure Switches

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

Differential Pressure Switches

Differential Pressure Switches

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

Flow Switches

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

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)