الوصف
The preferred successor type is 3UG5616-1CR20 phase
sequence phase failure 3x160-690 V screw digital monitoring relay for 3-phase
supply voltage connectable phase sequence phase failure 3 x 160 to 690 V 50 to
60 Hz AC undervoltage and overvoltage 160-690 V hysteresis 1-20 V 0-20 s each
for Umin and Umax 1 CO for Umin 1 CO for Umax screw terminal
Data Sheet:
https://docs. rs-online. com/1e1d/0900766b81426959. pdf