Siemens SIRIUS 3UG4 Equipment Manual page 186

Monitoring and control devices

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3UG458. insulation monitoring relay.

9.4 3UG4582/3UG4583 insulation monitoring relays

Relay switching behavior = NC(closed-circuit

Test (Y1-Y3)

Reset (Y2-Y3)

Measured value

= Time for internal device test after applying the supply voltage

With fault storage, manual RESET, 2 x 1 changeover contacts, warning

and shutdown

Equipment Manual, 07/2021, NEB927043002000/RS-AD/005

SIRIUS 3UG4 / 3RR2 monitoring relay

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