User Manual

3UG4624 residual current monitoring relay
8.6 Circuit diagrams
3UG4 / 3RR2 monitoring relays
182 Manual, 02/2013, NEB927043002000/RS-AA/002
Table 8- 4 3UL22 summation current transformers for external ground-fault monitoring
Detection of fault current in machines and plants
Rated insulation
voltage U
i
Rated residual current
I
Δn
Bushing opening
diameter
For Protodur cable
(push-through)
Order number
0.3 A 3UL2201-1A
0.5 A 3UL2201-2A
690 V AC
1 A
40 mm max. 4 x 95 mm
2
3UL2201-3A
0.3 A 3UL2202-1A
0.5 A 3UL2202-2A
1 A 3UL2202-3A
10 A 3UL2202-2B
16 A 3UL2202-3B
25 A 3UL2202-4B
690 V AC
40 A
65 mm max. 4 x 240 mm
2
3UL2202-5B
0.3 A 3UL2203-1A
0.5 A 3UL2203-2A
1 A 3UL2203-3A
6 A 3UL2203-1B
10 A 3UL2203-2B
16 A 3UL2203-3B
25 A 3UL2203-4B
1000 V AC
40 A
120 mm max. 8 x 300 mm
2
3UL2203-5B