Machine Guard Switches | McMaster-Carr

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System of Measurement

Switching Voltage

Height

Input Voltage

Actuator Style

Switch Starting Position

Environment

High-Pressure Washdown

Switching Current

Number of Terminals

Electrical Connection

Number of Circuits Controlled

Wire Connection

Key Included

Switch Designation

Housing Material

Key Entry

Enclosure Rating

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Certification

TUV Rheinland Certified

Light Beam Height

Material

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Compliant with Exemptions

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

Yes

Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

Exempt

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148 Products

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Safety Switches

Frame-Mounted Safety Switches

Mount to door frames, such as the ones on machine guards

31 products

Access-Delay Frame-Mounted Safety Switches

Block access to dangerous machinery until it has fully shut down

5 products

Hinge-Actuated Safety Switches

Actuate when access doors open at least 4°

10 products

RFID Safety Switches

Easier to install and fit a wider range of access points than mechanical safety switches

5 products

Frame-Mounted RFID Safety Switches

A strong magnet prevents accidental bumps or vibrations from triggering unnecessarily

4 products

Tamper-Resistant RFID Safety Switches

Link to a single actuator, so no other RFID tag or card can interfere

5 products

Other Products

Safety Relays

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

9 products

Safety Light Curtains

Immediately cut power to machinery when anything blocks the light beam

64 products

Safety Light Curtain Mirrors

Deflect beams from a set of safety barrier switches to form a perimeter around machinery

10 products

Abrasive Blaster Safety Switches

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

11 products