NEMA 4X Switches | McMaster-Carr

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721 Products

Electrical

Manual Switches

Manual Switches

Everything from toggle, push-button, and rocker switches to foot switches

Motor Switches

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

Potentiometers

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

Motor Starters

Turn motors on and off and protect them from current overloads

Magnetic Switches

Magnetic Switches

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

Speed-Monitoring Switches

Speed-Monitoring Switches

Avoid downtime and machinery damage by detecting slowdowns in drive trains and conveyors

Limit Switches

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

Sensor Switches

Sensor Switches

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

Relays

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

Motor Speed Controls

Motor Speed Controls

Manage the speed of AC and DC motors

Disconnect Switches

Disconnect Switches

Make sure equipment stays turned off during inspection and maintenance

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

Pressure and Vacuum Switches

Pressure and Vacuum Switches

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

Vacuum Switches

Vacuum Switches

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

Temperature Switches

Temperature Switches

Turn heating equipment on or off at a specified temperature

Temperature Controllers

Temperature Controllers

Precisely regulate process temperatures; more accurate than temperature switches

Paddle Level Switches

Paddle Level Switches

Actuate when the paddle stops rotating to indicate the level of dry material

Level Sensor Switches

Level Sensor Switches

Activate equipment by detecting the liquid level in a tank

Flow Switches

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

Heating, Ventilation, and Air Conditioning

Thermostats

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

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