Schmersal AZM161SK-12 12RKAT-024 Safety Switch

Schmersal AZM161SK-12/12RKAT-024 is a bolting solenoid-interlock safety switch designed to control access to hazardous machine areas. It features a single key-entry slot within an IP67 plastic housing and a contact block configured as 4 NC plus 2 NO safety contacts to monitor interlock status. The unit wires via M16×4 screw terminals and supports 24 V AC or DC supply, with ratings of 24 V DC at 2.5 A and 250 V AC at 4 A; it is built for up to 1,000,000 operating cycles and operates across −25 to 60 °C. Its compact enclosure measures about 130 × 90 × 30 mm and provides an approximately 2 kN locking force, with a gross weight around 467 g. Notable features include an emergency exit on the side, manual release from the side, no key required, and a power-to-lock configuration, making it suitable for machinery guarding and safety-rated access control where access must be prevented until conditions are safe.