1 On (Normally Closed) Switches | McMaster-Carr

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Food and Beverage

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Electrical

Manual Switches

Manual Switches

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

Manual Switch Contact Blocks

Manual 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

Snap-Acting Switches

Snap-Acting Switches

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

Sensor Switches

Sensor Switches

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

Speed-Monitoring Switches

Speed-Monitoring Switches

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

Magnetic Switches

Magnetic Switches

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

Tilt Switches

Trip circuits when tilted; use as position indicators, pump level controls, and limit switches

Vibration Switches

Vibration Switches

Monitor vibration in machinery and shut it down or sound an alarm if levels rise

Relays

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

Fluid Handling

Pressure Switches

Pressure Switches

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

Vacuum Switches

Vacuum Switches

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

Pressure and Vacuum Switches

Pressure and Vacuum Switches

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

Float Switches

Start process equipment such as pumps and motors when the liquid in your tank reaches the float

Level Sensor Switches

Level Sensor Switches

Activate equipment by detecting the liquid level in a tank

Temperature Switches

Temperature Switches

Turn heating equipment on or off at a specified temperature

Fabricating and Machining

Abrasive Blaster Safety Switches

Abrasive Blaster Safety Switches

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

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.)