Safety switching device safety-oriented standstill monitoring, 24 V DC, 45 mm

SIRIUS safety relay safety-oriented Standstill monitoring 24 V DC, 45 mm screw terminal EC instantaneous: 3 NO + 1 NC EC delayed: 0 SC: 3 Auto-start Basic unit max. error category EN 954-1: 4 Maximum achievable PL according to EN 13849-1: Maximum achievable SIL according to IEC 61508: 3 Standstill monitor SIRIUS 3TK28 for reliable standstill monitoring with motors. This versatile device can be used with various motors and frequency converters, and features standstill delay that can be set by the user. The cost is low as no additional sensors are required. Fast fault diagnostics and display by means of fault LEDs increase system availability. Each device is available with various voltages as well as with screw-type or spring-loaded terminals. Accessories such as labels make handling easier. Safety is a SIRIUS business.