The D4BL guard lock safety door switch from Omron achieves a high level of safety using a mechanism where the lock is only released when voltage is applied to the solenoid. The mechanical lock is applied automatically when the operation key is inserted.

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 on the switch
Auxiliary release key ensures easy maintenance and unlocks the door in the case of a power failure
Tough aluminium die-cast body incorporating a switch box with degree of protection satisfying IP67, UL, and CSA TYPE6P, 13
Equipped with a horizontal and vertical conduit opening
The mounting direction of the head can be changed to allow the Operation Key to be inserted from four directions
Conforms to EN (TUV) standards corresponding to the CE marking
Approved by UL, CSA, BIA, and SUVA standards

Actuators must be purchased separately. Stock no. 746-7208 incorporates an easy-to-see indicator for monitoring.

TUV EN60947-5-1, BIA GS-ET-19, SUVA, UL508, CSA C22.2, No.14.