Schneider Electric Telemecanique XCSTA591 Switch

Schneider Electric Telemecanique XCSTA591 is a plastic safety interlock switch designed to guard machine access doors. This XCSTA591 model provides a 1 NC + 2 NO safety contact configuration with slow-break operation, delivering reliable interlock performance for guarding circuits as a door or guard is opened. The assembly features a Pg11 threaded entry for field wiring and a compact head suitable for panel mounting, with overall dimensions around 52 x 30 x 114.5 mm. Encased in a plastic housing, the XCSTA591 is built for industrial environments and carries IP67 protection against dust and water ingress. Typical applications include safeguarding guard doors on presses, conveyors, and packaging lines where access must be blocked to prevent hazardous machine operation. As part of the Telemecanique safety-switch family, XCSTA591 is designed to integrate with standard safety circuits and control systems, offering a straightforward interlock solution for robust machine safeguarding architectures.