Siemens SIRIUS 3UG4 - Performance Features of the Insulation Monitoring Relays

9.2 Performance features of the insulation monitoring relays
General data
Table 9-3 General data of the 3UG4581/3UG4582/3UG4583 insulation monitoring relays
General data Insulation monitoring relays
3UG4581 3UG4582 3UG4583
Setting range of the target pick-up values
• 1 to 100 kΩ
✓ ✓ ✓
• 2 to 200 kΩ
— — ✓
Rated voltage of the system to be monitored
• 0 ... 250 V AC
— ✓ —
• 0 ... 400 V AC
✓ — ✓
• 0 ... 600 V AC
— — ✓
1)
• 0 to 300 V DC
— ✓ —
• 0 to 600 V DC
— — ✓
• 0 to 1000 V DC
— — ✓
1)
Maximum discharge capacity of the system
• 10 μF
✓ ✓ —
• 20 μF
— — ✓
Output contacts
• 1 changeover contact
✓ ✓ —
• 2 changeover contacts or
1 changeover contact
+ 1 changeover contact,
adjustable
— — ✓
Number of thresholds
• 1
✓ ✓ —
• 1 or 2, adjustable
— — ✓
Functional principle Closed-circuit principle Closed-circuit principle Open-circuit principle or
closed-circuit principle, con‐
󹪝gurable
Rated control and supply voltage
• 24 ... 240 V AC / DC
✓ ✓ ✓
Rated frequency
• 15 ... 400 Hz
— ✓ ✓
• 50 ... 60 Hz
✓ — —
Autoreset or manual RESET ✓
2)
✓
2)
✓
2)
Remote RESET ✓
via control input
✓
via control input
✓
via control input
Retentive fault memory — — ✓
2)
Open-circuit detection — — ✓
2)
3UG458. insulation monitoring relay.
9.2 Performance features of the insulation monitoring relays
SIRIUS 3UG4 / 3RR2 monitoring relay
154 Equipment Manual, 07/2021, NEB927043002000/RS-AD/005