Siemens 3UG4 - Performance Features of the Insulation Monitoring Relays

3UG458. insulation monitoring relay
9.2 Performance features of the insulation monitoring relays
3UG4 / 3RR2 monitoring relays
216 Manual, 05/2016, NEB927043002000/RS-AC/004
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, configurable