3UG458. insulation monitoring relay
9.4 3UG4582/3UG4583 insulation monitoring relays
3UG4 / 3RR2 monitoring relays
Manual, 05/2016, NEB927043002000/RS-AC/004
247
Relay switching behavior = NC(closed-circuit
principle)
With fault storage, manual RESET, 2 x 1 changeover contacts, warning
① Test (Y1-Y3)
② Reset (Y2-Y3)
③ Measured value
④ Hysteresis
⑤ Warning
⑥ Shutdown
⑦ Green
⑧ Red
Yellow
t
S
= Time for internal device test after applying the supply voltage
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