Schmersal AZM161SK-12 12RKA-024 Solenoid-Latching Interlock

AZM161SK-12/12RKA-024 is a Schmersal solenoid-latching safety interlock switch with a power-to-lock function, designed to guard access to hazardous machine areas and ensure safe conditions before an enclosure can be opened. The unit uses a 24 VAC/VDC coil and is housed in a thermoplastic, double-insulated enclosure measuring 130 mm x 90 mm x 30 mm with a large wiring compartment and four M16 x 1.5 cable entries for easy wiring. It provides six contacts configured as 2 normally open and 4 normally closed, with a switching rating up to 4 A at 230 VAC, enabling robust control circuit feedback for safety relays and interlocking logic. A manual release is included for maintenance, and the interlock is designed with protection against incorrect locking to prevent accidental or unauthorized operation. The product supports standard safety and functional-safety requirements (EN IEC 60947-5-1, EN ISO 13849-1, EN ISO 14119) and is part of the AZM 161 family of safety interlocks, suitable for guarding of doors, gates, and access points in machines or robotic cells where access must be blocked until safe conditions exist. With a documented mission time of 20 years, this locking interlock delivers long-term reliability in industrial environments.