Schmersal AZM 161SK-12 12RK-024 Safety Interlock Switch

The Schmersal AZM 161SK-12/12RK-024 Safety Interlock Switch is a solenoid-operated interlock from the AZM 161 family, designed for power-to-unlock safety guarding on industrial machines, with a 24 V AC/DC coil. It uses a large, thermoplastic enclosure with a 130 x 90 x 30 mm footprint and double-insulated protection, featuring a large wiring compartment, four M16 x 1.5 cable entries, and a manual release for controlled operation. The device provides six electrical contacts and supports both SPST-NO and SPST-NC configurations, with ratings up to 230 V at 4 A for door interlock circuits, and an IP67 enclosure rating according to distributor product pages. This model is configured as Power to Unlock (24 V coil) and is suitable for safeguarding guards in heavy-duty equipment where the door unlocks when safety conditions are satisfied.