Table of contents
3RW44 soft starters
8
Manual, 03/2017, NEB535219502000/RS-AB/008
10.1.6
3RW44 in a standard circuit and control like a contactor .................................................... 223
10.1.7
3RW44 in a standard circuit with soft start/stop and additional slow speed function in
both directions of rotation with one parameter set ............................................................... 224
10.1.8
Control via @PROFIBUS with switchover to manual local operation (e.g. on the
control cabinet) ..................................................................................................................... 226
10.1.9
3RW44 in a standard circuit and reversing operation via main contactors with one
parameter set without soft stopping ..................................................................................... 227
10.1.10
Reversing operation with soft stopping ................................................................................ 229
10.1.11
Soft starter for pole-changing motor with separate windings and 2 parameter sets ........... 230
10.1.12
Soft starter for Dahlander motors with 2 parameter sets ..................................................... 232
10.1.13
Parallel starting of 3 motors ................................................................................................. 233
10.1.14
Soft starter for serial starting with 3 parameter sets ............................................................ 235
10.1.15
Soft starter for serial starting with 3 parameter sets (deactivate soft stop and 3RW44
motor protection) .................................................................................................................. 237
10.1.16
Soft starter for activation of a motor with a magnetic fixing brake ....................................... 238
10.1.17
Safe disconnection according to IEC 62061 (SIL) and/or ISO 13849-1 (PL) ...................... 239
10.1.18
Soft starter with direct-on-line starting (DOL) as emergency start ....................................... 240
10.1.19
Soft starter with star-delta starter as emergency start (3RW44 in a standard circuit) ......... 241
10.1.20
Soft starter and frequency converter on one motor ............................................................. 242
11
General technical data ........................................................................................................................... 243
11.1
Menu structure ..................................................................................................................... 243
11.2
Transport and storage conditions ........................................................................................ 252
11.3
Technical data ...................................................................................................................... 253
11.3.1
Selection and ordering data ................................................................................................. 253
11.3.2
Technical data of the power unit .......................................................................................... 259
11.3.3
Technical data of the control section ................................................................................... 264
11.3.4
Conductor cross-sections .................................................................................................... 268
11.3.5
Electromagnetic compatibility .............................................................................................. 269
11.3.6
Feeder component layout (standard circuit) ........................................................................ 270
11.3.7
Feeder component layout (inside-delta circuit) .................................................................... 275
11.3.8
Accessories .......................................................................................................................... 277
11.3.9
Spare parts ........................................................................................................................... 280
11.4
Tripping characteristics ........................................................................................................ 281
11.4.1
Motor protection tripping characteristics: 3RW44 with symmetry ........................................ 281
11.4.2
Motor protection tripping characteristics: 3RW44 with asymmetry ...................................... 282
11.5
Dimension drawings ............................................................................................................. 283
11.5.1
Dimension drawings ............................................................................................................. 283
A
Appendix ................................................................................................................................................ 288
Index ...................................................................................................................................................... 291
