User Manual
3UG4 / 3RR2 monitoring relays
Manual, 02/2013, NEB927043002000/RS-AA/002
387
Index
2
2-wire AC system
3UG4581-1AW30, 217
3UG4582-1AW30, 244
3UG4583-1CW30, 246
3UG4583-1CW30 and 3
UG4983-1A,
344
2-wire DC system
3UG
4582-1AW30, 244
3UG
4583-1CW30, 246
3UG4583-1
CW30 and 3UG4983-1A,
344
3
3UG4983 upstream module, 231
3-wire AC system
3UG4581-1AW30, 217
3UG
4582-1AW30, 244
3UG4583-1CW30, 246
3UG4583-1CW30 and 3
UG4983-1A,
344
3-wire DC system
3UG
4582-1AW30, 244
3UG
4583-1CW30, 246
3UG4583-1
CW30 and 3UG4983-1A,
344
4
4-wire AC system
3UG4581-1AW30, 217
3UG4582-1AW30, 244
3UG4583-1CW30, 246
3UG4583-1CW30 and 3
UG4983-1A,
344
A
Accessories - 3UG4 monitoring relays
Push-in lugs, 316
Sealable cover, 315, 340
Accessories - Current monitoring relays 3RR2
Sealable cover, 311
Terminal support for stand-alone assembly, 314
Active
current, 358
Apparent current, 358
Application areas
3RR2 current monitorin
g relays, 42
3UG4.1 line monitoring rel
ay, 88
3UG4501 filling level monitoring relay, 75
3UG458
1/3UG458
2/3UG4583 insulation
monitoring
relays, 206
3UG
4621/3UG4622 cu
rrent monitoring relays, 153
3UG4624 residual current monitoring rela
y, 171
3UG4625 residual current m
onitoring relay, 187
3UG4631/3UG4632/3UG4633 voltage
monitoring
relay, 259
3UG
4641 cos phi and active current monitoring
rela
y, 279
3UG
4651 speed monitoring rela
y, 295
Application environm
ent, 18
Approvals, 15
Automatic reset, 355
B
Basic knowledge, 11
Blocking current monitoring, 356
C
Cable break
3RR21 current monitoring relays, 47
3RR22 current monitoring relays, 60
Certifications, 15
C
haracteris
tics, 15
Load limit cur
ves 3UG4581, 220
Load limit curves 3UG4582
, 249
Load limit curves 3UG4583
, 251
Closed-circuit
principle, 359
Correction sheet, 385
Cor
rections, 12
Cos phi monitoring
3UG
4641 cos phi and active curre
nt monitoring
relay, 279
Curre
nt monitoring prin
ciple, 358
D
Device replacement, 25
Diagnostics
3RR21 current monitoring relays, 91
3RR22
current monitoring relays, 65
3UG4501 filling level monitoring relay, 80










