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Guard Lock Safety-door Switch
D4BL
Protective Doors Are Locked Until Machines Completely Stop Operating
• A mechanical lock is applied automatically when the Operation Key is inserted. A high level of safety is achieved using a mechanism where the lock is only released when voltage is applied to the solenoid. • Conforms to EN (TÜV) standards corresponding to the CE marking. • Approved by UL, CSA, BIA, and SUVA standards. • The switch contact is opened by a direct opening mechanism (NC contacts only) when the protective cover is opened. Direct opening mechanism that is EN-approved is indicated by on the switch. • Auxiliary release key ensures easy maintenance and unlocks the door in the case of a power failure.