!!! product phase-out !!! The preferred successor type is 3UG5514-1BR20 phase sequence phase failure 3x160-690 V screw digital monitoring relay asymmetry 0-20% connectable phase sequence phase failure 3 x 160 to 690 V 50 to 60 Hz AC undervoltage 160-690 V hysteresis 1-20 V ON and OFF delay 0-20 s 2 changeover contacts screw terminal
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