Schmersal TZFS24VDC Guard Locking Device for Safety Doors

Schmersal TZFS24VDC is a 24 V DC guard locking device that interlocks a safety door to prevent access when a hazard is present. Designed for machine guards, this solenoid interlock supports four actuation directions for versatile mounting, and provides one external contact plus two safety contacts to monitor the protective gate. It is documented under EN ISO 13849-1 with a Performance Level up to c and control category 1; the device offers long life with a mechanical life of at least 1,000,000 cycles, a B10D rating of 2,000,000 cycles in the NC condition and 1,000,000 cycles in the NO condition, and an estimated mission time of 20 years. Manual forcing/opening is possible with a key for maintenance or emergency access. As part of Schmersal’s TZF/TZM interlock family, TZFS24VDC delivers reliable guard-locking performance for safety door applications in industrial automation.