Siemens SIRIUS 3RT Series System Manual page 10

Table of contents
3.5 Planning/configuring.................................................................................................................. 329
3.5.1 Selecting solid-state switching devices..................................................................................... 329
3.5.2 Configuration: Selecting solid-state contactors for motors ....................................................... 330
3.5.3 Short-circuit protection .............................................................................................................. 334
3.5.3.1 Mounting accessories for the load feeder conforming to IEC ................................................... 334
3.5.3.2 Mounting accessories for the load feeder conforming to UL .................................................... 336
3.6 Application planning .................................................................................................................. 339
3.6.1 Application areas....................................................................................................................... 340
3.6.1.1 Switching motors....................................................................................................................... 340
3.6.1.2 Use in a photovoltaic plant ........................................................................................................ 340
3.7 Mounting.................................................................................................................................... 341
3.7.1 Mounting instructions ................................................................................................................ 341
3.7.2 Screw mounting ........................................................................................................................ 343
3.7.3 Snapping onto/off DIN rail (snap-on mounting)......................................................................... 343
3.8 Connection ................................................................................................................................ 344
3.8.1 Solid-state contactor ................................................................................................................. 344
3.8.2 Solid-state reversing contactor ................................................................................................. 345
3.9 FAQs - Frequently asked questions.......................................................................................... 346
3.10 Accessories ............................................................................................................................... 347
3.10.1 Accessories overview................................................................................................................ 347
3.10.2 Insulating stop ........................................................................................................................... 347
3.10.2.1 Description ................................................................................................................................ 347
3.10.3 Link module for motor starter protector..................................................................................... 348
3.10.3.1 Description ................................................................................................................................ 348
3.10.3.2 Mounting/Disassembly .............................................................................................................. 349
3.11 Technical data........................................................................................................................... 350
3.11.1 General data ............................................................................................................................. 350
3.11.2 Conductor cross-sections for solid-state contactors ................................................................. 352
3.11.3 Conductor cross-sections for solid-state reversing contactors ................................................. 353
3.11.4 Solid-state contactors 3RF34, 3-phase, screw connection....................................................... 354
3.11.5 Solid-state contactors 3RF34, 3-phase, spring-loaded terminals ............................................. 355
3.11.6 Solid-state contactors - fuseless design with CLASS 10 motor starter protector ..................... 356
3.11.7 Solid-state contactors - fused design with 3RB30 overload relay............................................. 357
3.11.8 Solid-state contactors - main circuit, 2-phase controlled .......................................................... 358
3.11.9 Solid-state contactors with control circuit.................................................................................. 358
3.11.10 Solid-state reversing contactor with integration of four current paths to form a single
reversing circuit ......................................................................................................................... 359
3.11.11 Solid-state contactors - fuseless design with CLASS 10 motor starter protector ..................... 359
3.11.12 Solid-state contactor - fused design with 3RB30 overload relay .............................................. 360
3.11.13 Solid-state reversing contactor - main circuit, 2-phase controlled ............................................ 360
3.11.14 Solid-state reversing contactor with control circuit.................................................................... 361
3.11.15 Characteristics - switching frequency/load................................................................................ 362
3.11.15.1 Characteristics for the solid-state contactor......................................................................... 362
3.11.15.2 Characteristics for the solid-state reversing contactor......................................................... 367
3.12 Dimension drawings (dimensions in mm) ................................................................................. 372
3.12.1 Solid-state switching devices .................................................................................................... 372
3.12.2 Link module for motor starter protector..................................................................................... 373
3.13 Circuit diagrams ........................................................................................................................ 374
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SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03