Euchner's MGB-L1H-APA..., Guard locking with guard lock monitoring (guard locking by spring force). The locking arm is held in the locked position by spring force and is unlocked by solenoid force (closed-circuit current principle, mechanically locked). The 2 push buttons that are illuminated, S2 1NO white and S3 1No white. The complete MGB, is S1 2 positively driven NC contacts, emergency stop with turn-to-reset, illuminated. A mechanical door stop is permanently integrated into the evaluation module of the MGB. A marking on the stop makes adjustment easier. The LED indicator indicates all important system and status information. Devices with adhesive labels have pre-formed recesses. The adhesive labels enclosed (standard size 12.5 x 27 mm) can be affixed in these recesses.