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Guard Lock Safety-door Switch/Slide key


Holding Force of 3,000 N

Plastic Guard Lock Safety-door Switches Rank Among the Strongest in the World

A holding force of 3,000 N makes these Switches suitable for large, heavy doors.

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Two Safety Circuits and Two Monitor Contacts

The D4JL has two safety circuits. It also has two contacts to separately monitor the open/closed status of the door and the status of the lock.

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Wide variations to protect workers who enter hazardous areas.

Models with Trapped Keys (mechanical lock models only)
As long as a person has the trapped key when he enters a hazardous area, he does not have to worry about somebody locking the door and trapping him inside.
The door can be opened only by supplying power to the solenoid and then turning the trapped key to unlock the D4JL.
There are thirty different types of trapped keys available for use in applications with adjacent hazardous areas.

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Models with Rear Release Buttons
(See Data Sheet for a list of models.)

Models with Rear Release Buttons
A rear release button allows the door to be unlocked from inside a hazardous area in an emergency.

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Special Slide Key
A special Slide Key shortens the lead time for mounting design.
The padlock that can be attached to the disable-prevention cover prevents other workers from restarting machines.
(See Data Sheet for details.)