Siemens SIRIUS 3RT Series System Manual page 9

2.8.1.10 Rated data for auxiliary contacts (CSA and UL) ........................................................................251
2.8.1.11 Main circuit - 3RT202. contactors (current carrying capacity for direct current)........................252
2.8.1.12 Conductor cross-sections - 3RT202. contactors........................................................................254
2.8.1.13 Rated data (CSA and UL) for 3RT201. and 3RT202. contactors ..............................................256
2.8.2 Contactors for specific applications (3RT23 and 3RT25) ..........................................................258
2.8.2.1 General data, short-circuit protection for contactors without overload relay and actuation
(3RT231. and 3RT232. contactors) ...........................................................................................258
2.8.2.2 Main circuit - 3RT231. and 3RT232. (current carrying capacity for alternating current and
direct current) .............................................................................................................................261
2.8.2.3 General data, short-circuit protection for contactors without overload relay and actuation
(3RT251. and 3RT252. contactors) ...........................................................................................263
2.8.2.4 Main circuit - 3RT251. and 3RT252. (current carrying capacity for alternating current and
direct current) .............................................................................................................................264
2.8.3 Contactors with extended operating range ................................................................................266
2.8.3.1 Contactors for railway applications ............................................................................................266
2.8.3.2 Coupling relays ..........................................................................................................................267
2.8.4 3RH2 contactor relays ...............................................................................................................271
2.8.4.1 Permissible mounting position, positively driven operation of contacts and contact
reliability of 3RH2 contactor relays (4- and 8-pole)....................................................................271
2.8.4.2 General data, rated data (CSA and UL), and data relating to short-circuit protection for
3RH2. contactor relays ..............................................................................................................272
2.8.4.3 Conductor cross-sections - 3RH2. contactor relays ..................................................................274
2.8.4.4 Actuation - 3RH2. contactor relays ............................................................................................275
2.8.4.5 Load side of 3RH2. contactor relays..........................................................................................277
2.8.5 Accessories for 3RT2 contactors and 3RH2 contactor relays ...................................................279
2.8.5.1 General data - Pneumatic timer 3RT2926-2P. ..........................................................................279
2.8.5.2 General data - OFF-delay device 3RT2916-2B. ........................................................................280
2.8.5.3 General data - Terminal module for contactors with screw connection.....................................282
2.8.5.4 General data - Mechanical latch 3RT2926-3A...........................................................................284
2.8.5.5 General data - Control side and load side - coupling link 3RH2924-1GP11 .............................285
2.9 Dimension drawings (dimensions in mm) ..................................................................................287
2.9.1 Contactors and contactor relays (size S00)...............................................................................287
2.9.2 Contactors (size S0) ..................................................................................................................291
2.10 Circuit diagrams .........................................................................................................................294
2.10.1 Contactors and contactor accessories.......................................................................................295
2.10.2 Reversing contactor assembly (S00/S0) ...................................................................................309
2.10.3 Contactor assemblies for star-delta (wye-delta) start ................................................................310
3 SIRIUS 3RF34 solid-state switching devices ......................................................................................... 313
3.1 Safety instructions......................................................................................................................313
3.1.1 Standards...................................................................................................................................315
3.2 Product description ....................................................................................................................316
3.2.1 Device versions..........................................................................................................................316
3.2.2 Applications................................................................................................................................318
3.2.3 Application environment.............................................................................................................319
3.2.4 Solid-state switching devices .....................................................................................................320
3.2.5 Device labels..............................................................................................................................322
3.2.6 Advantages of solid-state switching devices .............................................................................325
3.3 Product combinations ................................................................................................................326
3.4 Functions....................................................................................................................................327
3.4.1
Actuation of solid-state switching devices .................................................................................328
SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03
Table of contents
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