Siemens SIRIUS 3UG4 User Manual

10.5 Diagnostics...................................................................................................................... 212
10.5.1 Indications on the display................................................................................................. 212
10.5.2 Reset ............................................................................................................................... 213
10.6 Circuit diagrams............................................................................................................... 214
10.6.1 Internal circuit diagrams................................................................................................... 214
10.6.2 Wiring examples .............................................................................................................. 214
10.7 Technical data.................................................................................................................. 216
11 3UG4641 cos phi and active current monitoring relay ...................................................................... 217
11.1 Application areas ............................................................................................................. 217
11.2 Operator controls and connection terminals ..................................................................... 218
11.3 Functions......................................................................................................................... 219
11.4 Operation ........................................................................................................................ 223
11.5 Diagnostics...................................................................................................................... 224
11.5.1 Indications on the display................................................................................................. 224
11.5.2 Reset ............................................................................................................................... 225
11.6 Circuit diagrams............................................................................................................... 226
11.6.1 Internal circuit diagrams................................................................................................... 226
11.6.2 Wiring examples .............................................................................................................. 226
11.7 Technical data.................................................................................................................. 228
12 3UG4651 speed monitoring relay...................................................................................................... 229
12.1 Application areas ............................................................................................................. 229
12.2 Operator controls and connection terminals ..................................................................... 230
12.3 Functions......................................................................................................................... 231
12.4 Operation ........................................................................................................................ 234
12.5 Diagnostics...................................................................................................................... 235
12.5.1 Indications on the display................................................................................................. 235
12.5.2 Reset ............................................................................................................................... 236
12.6 Circuit diagrams............................................................................................................... 237
12.6.1 Internal circuit diagrams................................................................................................... 237
12.6.2 Wiring examples .............................................................................................................. 237
12.7 Technical data.................................................................................................................. 239
13 Accessories ........................................................................................................................................ 241
13.1 Accessories for 3RR2 current monitoring relays................................................................. 241
13.1.1 Sealable cover.................................................................................................................. 241
13.1.2 Terminal support for stand-alone assembly....................................................................... 242
13.2 Accessories for 3UG4 monitoring relays............................................................................ 246
13.2.1 Sealable cover.................................................................................................................. 246
13.2.2 Push-in lugs ..................................................................................................................... 247
13.2.3 Probes for the 3UG4501 monitoring relay......................................................................... 247
13.2.4 Summation current transformer for the 3UG4624 monitoring relay .................................. 248
13.2.5 3UL23 residual current transformers for 3UG4625 monitoring relays ................................ 249
Table of contents
SIRIUS 3UG4 / 3RR2 monitoring relay
Equipment Manual, 07/2021, NEB927043002000/RS-AD/005 7

Siemens SIRIUS 3UG4 Specifications

General

Brand	Siemens
Model	SIRIUS 3UG4
Category	Relays
Language	English