3UG4618-1CR20

!!! product phase-out !!! the preferred successor is 3UG5618-1CR20 phase failure and sequence monitoring 3x 160-690 V, screw terminal digital monitoring relay for 3-phase voltage with N conductor automatic phase sequence correction phase failure 3 x 90 to 400 V 50 to 60 Hz AC undervoltage and overvoltage 90-400 V hysteresis 1-20 V OFF delay 0-20 s asymmetry 0-20% 1 CO contact for phase correction 1 CO contact for power system faults screw terminal