Safety relay module s/still 24

Dold safety relay module, motor standstill monitoring, dual channel, manual or automatic restart, (2) redundant measuring channels used for L2-L1 and L3-L1, 20-400 mV adjustable response value, 0.2-6 second adjustable standstill time, broken wire detection, 24 VDC coil voltage, 3 N.O. positive guided safety contact(s), 1 N.C. positive guided safety contact(s)