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Key switches with safety contacts

Safety ey switches for power isolation to machinery.
Brands
Safety Category
Material
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Safety key switch S
20A coded safety key switch back of board mounting.
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Safety key switch in enclosure SR
20A coded safety key switch back of board mounting in IP65 enclosure.
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Multiple safety key switch XMR
20A coded multiple safety key switch back of board mounting. Extend up to 10 lock partions into one ...
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Solenoid controlled safety key switch SS1
20A / 24V DC coded solenoid controlled safety key switch back of board mounting.
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Solenoid controlled safety key switch in enclosure MSSR
3A / 24V DC coded solenoid controlled safety key switch in IP67 enclosure.
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Solenoid controlled multiple safety key switch SS2
20A / 24V DC coded solenoid controlled multiple safety key switch back of board mounting.

Key switches with safety contacts

Key switches are used as part of a trapped key system for isolating power to machinery. Standard key switches isolate the power by turning the key which switches de safety contacts. For machines with rundown time solenoid controlled key switches are uses which only release the key when the solenoid is energised.

The released key can be used as a personal safety key or as an access key to open access point of the isolated machine.