User Manual

Table of contents
3UG4 / 3RR2 monitoring relays
Manual, 02/2013, NEB927043002000/RS-AA/002
9
11.2.2 Functions....................................................................................................................................261
11.3 3UG4633 voltage monitoring relay ............................................................................................263
11.3.1 Operator controls and connection terminals..............................................................................263
11.3.2 Functions..............................................................................................................
......................264
11.4 Operation ...................................................................................................................................266
11.5 Diagnostics...............................................
..................................................................................267
11.5.1 Indica
tions on the disp
lay...........................................................................................................267
11.5.2 Rese
t..........................................................................................................................................269
11.6 Circuit diagrams .........................................................................................................................270
11.6.1 Internal c
ircuit diagrams..............................................................................................
...............270
11.6.2 Wiring examples ........................................................................................................................271
11.7
Technical data............................................................................................................................272
12
3UG4641 cos
phi and active current monitoring relay
........................................................................... 279
12.1 Application areas .......................................................................................................................279
12.2 Operator controls and connection terminals
..............................................................................280
12.3 Functions................................................................................................................
....................281
12.4 Operation ...................................................................................................................................285
12.5 Diagnostics...............................................
..................................................................................286
12.5.1 Indica
tions on the disp
lay...........................................................................................................286
12.5.2 Rese
t..........................................................................................................................................287
12.6 Circuit diagrams .........................................................................................................................288
12.6.1 Internal c
ircuit diagrams..............................................................................................
...............288
12.6.2 Wiring examples ........................................................................................................................288
12.7
Technical data............................................................................................................................290
13
3UG4651 speed monitoring
relay .......................................................................................................... 295
13.1 Application areas ........................................................................................................
...............295
13.2 Operator controls and connection terminals
..............................................................................296
13.3 Functions................................................................................................................
....................297
13.4 Operation ...................................................................................................................................300
13.5 Diagnostics...............................................
..................................................................................301
13.5.1 Indica
tions on the disp
lay...........................................................................................................301
13.5.2 Rese
t..........................................................................................................................................302
13.6 Circuit diagrams .........................................................................................................................303
13.6.1 Internal c
ircuit diagrams..............................................................................................
...............303
13.6.2 Wiring examples ........................................................................................................................304
13.7
Technical data............................................................................................................................305
14
Accessorie
s ........................................................................................................................................... 311
14.1 Acce
ssories for 3RR2 current monitoring relays .......................................................................311
14.1.1 Sealable
cover ...........................................................................................................................311
14.1.2 Terminal support for stand-alone ass
embly...............................................................................312