Schmersal AZ 16-12ZVRK-M20-2254 Safety Interlock Switch

AZ 16-12ZVRK-M20-2254 is Schmersal’s three-entry safety interlock switch with a separate actuator, designed for securing access doors in safety circuits. It features three cable glands (M20 x 1.5), ample connection space, and a thermoplastic housing with double insulation and universal coding for flexible deployment. The compact unit measures 52 mm x 90 mm x 30 mm and weighs 115 g, offering three actuating directions, one auxiliary contact and two safety contacts. In safety terms, it delivers up to EN ISO 13849-1 performance up to PL c (and up to PL d when used in two-channel configurations with a suitable logic unit), Category 1, with B10D ratings of 2,000,000 operations on NC contacts and 1,000,000 on NO contacts; mission time is 20 years. Mechanical life is at least 1,000,000 cycles, with a latching force of 5 N, 8 mm positive-break travel, minimum 10 N break force on NC contacts and minimum 20 N overall, and an actuating speed of up to 2 m/s. The device is described as resistant to dirt and suitable for demanding industrial environments, aligning with Schmersal’s universal coding approach for straightforward system integration.