!!! product phase-out !!! The preferred successor type is 3UG5616-1CR20 phase sequence phase failure 3×160-690 V screw digital monitoring relay for 3-phase voltage with N-conductor connectable phase sequence phase failure 3 x 90 to 400 V 50 to 60 Hz AC undervoltage and overvoltage 90-400 V hysteresis 1-20 V 0-20 s each for Umin and Umax 1 CO for Umin 1 CO for Umax screw terminal
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