Schmersal AZ 17-02ZK Safety Interlock Switch Assembly

Schmersal AZ 17-02ZK is a compact safety interlock switch assembly featuring two normally closed contacts and a separate actuator, designed for guarded access on machinery. This AZ 17-02ZK unit uses a M16 cable gland and a small 30 x 60 x 30 mm thermoplastic enclosure that is double-insulated for long life in challenging environments. It offers universal coding and eight actuating planes, providing flexible mounting options and robust performance in dirty or arduous conditions. The switching element comprises two NC contacts with slow-action, positive-break operation and galvanically separated contact bridges, delivering reliable safety signaling at low voltages and currents. Electrical ratings include a thermal test current of 10 A, a required short-circuit current of 1,000 A, and safety-contact values of 230 VAC, 4 A (AC-15) and 24 VDC, 4 A (DC-13). The product is rated for up to 2,000 switching cycles per hour, balancing frequent door operation with safety. Scope of delivery notes that the actuator must be ordered separately and includes a slot cover to seal an unused opening. It complies with EN IEC 60947-5-1, EN ISO 13849-1, and EN ISO 14119, with approvals including CCC, cULus, and IFA. For reference, the item number is 101121961 and the EAN is 4030661049694.