!!! product phase-out !!! The preferred successor type is 3UG5618-2CR20 phase sequence phase failure 3×160-690 V spring digital monitoring relay for 3-phase supply voltage automatic phase sequence correction phase failure 3 x 160 to 690 V 50 to 60 Hz AC undervoltage and overvoltage 160-690 V hysteresis 1-20 V OFF delay 0-20 s asymmetry 0-20% 1 CO for phase correction 1 CO for power system faults spring-loaded connection system
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