User Manual
3UG458. insulation monitoring relay.
10.4 3UG4582/3UG4583 insulation monitoring relays
3UG4 / 3RR2 monitoring relays
236 Manual, 02/2013, NEB927043002000/RS-AA/002
Relay switching behavior = NC (closed-circuit principle)
With fault storage, manual RESET, 2 x 1 changeover contacts, warning and shutdown
$$
W
V
W
V
/('
/('
/('
)
① Test (Y1-Y3)
② Reset (Y2-Y3)
③ Measured value
④ Hysteresis
⑤ Warning
⑥ Shutdown
⑦ Green
⑧ Red
⑨ Yellow
t
S
= Time for internal device test after applying the supply voltage