Schmersal AZ 16-02ZVRJ-ST Keyed Interlock Switch

The Schmersal AZ 16-02ZVRJ-ST is a keyed interlock safety switch from Schmersal’s AZ 16 family, designed to secure access doors on industrial machines and to prevent operation when a door is open. It features a M12, 4‑pole connector and a plastic, thermoplastic enclosure with double insulation, delivering a compact 52 mm x 90 mm x 30 mm footprint with a large wiring compartment for easy installation. The 02 variant supports versatile interlock configurations with universal coding to fit a wide range of safety circuits, and is built for reliable performance in harsh environments, offering IP67 protection when installed per Schmersal guidelines. The unit complies with EN IEC 60947-5-1, EN ISO 13849-1, and EN ISO 14119 safety standards, ensuring safe integration into machine safety systems.