Dusty-Environment Limit Switches | McMaster-Carr

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655 Products

Limit Switches

Limit Switches

A large actuator with rapid-closing action opens and closes a circuit when objects contact it

Low-Profile Limit Switches

Slim enough to stack multiple switches together or fit into tight spaces

Safety Limit Switches

Safety Limit Switches

Protect machinery and personnel by opening the circuit even if a spring fails or contacts stick

Sealed Low-Profile Limit Switches

Sealed to keep out contaminants and slim enough to stack together or fit into tight spaces

Compact Safety Limit Switches

Compact Safety Limit Switches

Shorter and thinner than other safety limit switches to fit into tight spaces

Panel-Mount Light-Touch Limit Switches

Panel-Mount Light-Touch Limit Switches

Our most sensitive limit switches actuate with the slightest push for high accuracy

Panel-Mount Sealed Wet-Location Limit Switches

Panel-Mount Sealed Wet-Location Limit Switches

A seal prevents the switch from jamming, even when exposed to oil, sand, mud, or ice

Washdown Limit Switches

Washdown Limit Switches

NEMA 3S and IP69K to handle washdowns and high pressures and temperatures

Hazardous Location Limit Switches

Hazardous Location Limit Switches

The housing is sealed, so they won't ignite flammable gas or dust when they open or close a circuit

Panel-Mount Low-Profile Limit Switches

Install in panel cutouts in tight spaces or when you need to stack multiple switches together

Rotary Limit Switches

Rotary Limit Switches

Start or stop equipment after a set number of rotations to avoid over-rotation

Build-Your-Own Limit Switches

Build-Your-Own Limit Switches

Combine an actuator and a switch for the exact limit switch you need

Manual-Reset Safety Limit Switches

Manual-Reset Safety Limit Switches

Manually reset after actuation to prevent equipment from automatically restarting

Heavy Duty Limit Switches

Heavy Duty Limit Switches

Rugged enough for mining operations, but they require high actuation force, such as heavy rocks

Wireless Self-Powered Limit Switches

Wireless Self-Powered Limit Switches

They power themselves, so you can install them where changing a battery is difficult

Other Products

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

Tilt Switches

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

Safety Switches

Safety Switches

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

Speed-Monitoring Switches

Speed-Monitoring Switches

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

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