User Manual
Table of contents
3UG4 / 3RR2 monitoring relays
8 Manual, 02/2013, NEB927043002000/RS-AA/002
8.7 Technical data........................................................................................................................... 183
9 3UG4625 residual current monitoring relay with 3UL23 transformer...................................................... 187
9.1 Application areas....................................................................................................................... 187
9.2 Operator controls and connection terminals
............................................................................. 188
9.3 Functions.................................................................................................................
.................. 189
9.4 Operation................................................................................................................................... 196
9.5 Diagnostics
................................................................................................................................ 197
9.5.1 Indic
ations on the disp
lay.......................................................................................................... 197
9.5.2 Res
et......................................................................................................................................... 198
9.6 Circuit diagrams ........................................................................................................................ 199
9.6.1 Internal c
ircuit diagrams............................................................................................................ 199
9.6.2
Wiring examples........................................................................................................................ 200
9.7 Tec
hnical data........................................................................................................................... 201
10 3UG4
58. i
nsulation monitoring relay.
..................................................................................................... 205
10.1 Application areas....................................................................................................................... 206
10.2 Performance
features of the insula
tion monitoring relays......................................................... 207
10.3 3UG4581 insulation monitoring relay........................................................................................ 209
10.3.1 Operator controls and connec
tion terminals ............................................................................. 209
10.3.2 Functions..............................................................................................................
..................... 210
10.3.3 Operator control ........................................................................................................................ 214
10.3.4
Diagnostics................................................................................................................................ 215
10.3.4.1
Diagnostics with LEDs ................................................................................................
.............. 215
10.3.5 Circuit diagrams .......................................................................................................
................. 216
10.3.5.1 Internal circuit diagrams ............................................................................................................ 216
10.3.6
Characteristics ........................................................................................................
.................. 220
10.3.7 Technical data.........................................................................................................
.................. 222
10.4 3UG4582/3UG4583 insulation monitoring relays ..................................................................... 225
10.4.1 Operator
controls and connection terminals ............................................................................. 225
10.4.2
Functions..............................................................................................................
..................... 227
10.4.2.1 Function diagrams..................................................................................................................... 232
10.4.3 Operator c
ontrol ........................................................................................................................ 238
10.4.4
Diagnostics................................................................................................................................ 241
10.4.4.1
Diagnostics with LEDs ................................................................................................
.............. 241
10.4.5 Circuit diagrams .......................................................................................................
................. 243
10.4.5.1 Internal circuit diagrams ............................................................................................................ 243
10.4.5.2
Wiring examples........................................................................................................................ 244
10.4.6 Charac
teristics .......................................................................................................................... 249
10.4.7 Tech
nical data.........................................................................................................
.................. 253
10.4.7.1 3UG4582................................................................................................................................... 253
10.4.7.2 3UG4583
................................................................................................................................... 256
11 3UG463. voltage monitoring
relay ...........................................................................................
.............. 259
11.1 Application areas
....................................................................................................................... 259
11.2 3UG4631 / 3UG4632 voltage monitoring relay......................................................................... 260
11.2.1 Operator cont
rols and connection terminals ............................................................................. 260










