Siemens SIRIUS 3UG4 Equipment Manual page 183

Relay switching behavior = NC
(closed-circuit principle)
With fault storage, manual RESET
①
Test (Y1-Y3)
②
Reset (Y2-Y3)
③
Measured value
④
Hysteresis
⑤
Threshold
⑥
Green
⑦
Red
⑧
Yellow
t = Time for internal device test after applying the supply voltage
S
SIRIUS 3UG4 / 3RR2 monitoring relay
Equipment Manual, 07/2021, NEB927043002000/RS-AD/005
3UG458. insulation monitoring relay.
9.4 3UG4582/3UG4583 insulation monitoring relays
183