Schmersal AZ 16-03ZIB1-M20 Safety Interlock Switch

Schmersal AZ 16-03ZIB1-M20 is a keyed safety interlock switch with a separate actuator designed for machine-guard doors. The compact AZ 16 housing measures 30 mm in length, 52 mm in width, and 90 mm in height, and it provides three NC safety contacts with slow-action, positive-breaking operation, suitable for AC-15 applications up to 230 VAC at 4 A and DC-13 applications up to 24 VDC at 4 A. This interlock is IP67 protected and rated for operating temperatures from -30 to +80 °C (storage -40 to +85 °C), with a 3 x M20 x 1.5 cable-entry and screw-terminal connections; mechanical data and mounting requirements include 2x M6 screws, a minimum actuating radius of 250 mm for hinged guards, and an actuating speed up to 2 m/s. The actuator is not sold separately, and the hinge axis must be 5 mm above and parallel to the top surface of the switch; the scope of delivery includes slot sealing plugs. Part number 101150637 places this model within Schmersal’s AZ 16 safety interlock family, offering a robust solution for door interlocks in safety circuits.