3RA13, 3RA14 Contactor Assemblies
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1 RA, RA Contactor Assemblies RA Contactor Assemblies for Wye-Delta Starting RA complete units,... kw Siemens AG 0 Overview These RA contactor assemblies for wye-delta starting are designed for standard applications. Note: Contactor assemblies for wye-delta starting in special applications such as very heavy starting ) or wye-delta starting of special motors must be customized. Help with designing such special applications is available from Technical Assistance. The RA contactor assemblies for wye-delta starting can be ordered as follows: Sizes S00 to S: Fully wired and tested, with electrical interlock, dead interval of s on reversing (size S00 with electrical and mechanical interlocks). Sizes S00 to S: As individual parts for customer assembly. A dead interval of 0 ms on reversing is already integrated in the time relay function. There is also a range of accessories (auxiliary switch blocks, surge suppressors, etc.) that must be ordered separately. For overload relays for motor protection see "Protection Equipment" "Overload Relays" "RB Solid-State Overload Relays". The RA contactor assemblies have screw terminals and are suitable for screw and snap-on mounting onto mm standard mounting rails. Fully wired and tested RA contactor assemblies have one unassigned NO contact which is mounted onto the front of the K delta contactor. A solid-state time-delay auxiliary switch block is snapped onto the front of the complete contactor assemblies, size S00. kw, while a timing relay is mounted onto the side of sizes S0 to S, kw to kw. Rated data at AC 0 Hz 00 V Rating kw current I e A Motor current A Size Line/delta contactor ) For effective support from Technical Assistance you must provide the following details: - Rated motor voltage - Rated motor current - Service factor, operating values - Motor starting current factor - Starting time - Ambient temperature Star contactor complete Accessories for customer assembly Timing relays A, for double infeed S00-S00-S00 RT RT RA -XB-... RT -G RT RA -XB-... RP -N.0... S0-S0-S0 RT RT RA -XC-... RP -N RT RA -XC S-S-S0 RT RT RA -XC-... RP -N.0 RA -C ) RT S-S-S RT RA -XC-... RA -B )... RT RA -XC S-S-S RT RT RA -XC-... RP -N.0 RA -C ) RT RT RA -XC S-S-S RT RT -- RP -N RT RT RT RT S-S-S RT RT -- RP -N RT RT S-S-S RT RT -- RP -N RT RT RT Footnotes for page /: ) contains mechanical interlock, connecting clips; wiring modules on the top (connection between line and delta contactor) and on the bottom (connection between delta and star contactor); star jumper. ) contains connecting clips; wiring modules on the top (connection between line and delta contactor) and on the bottom (connection between delta and star contactor); star jumper. ) contains wiring module on the bottom (connection between delta and star contactor) and star jumper. ) Wiring module on top from reversing contactor assembly (note conductor cross-sections). /0 Siemens LV 0
2 Siemens AG 0 RA, RA Contactor Assemblies RA Contactor Assemblies for Wye-Delta Starting RA complete units,... kw Components for customer assembly s with wiring modules and, if necessary, mechanical connectors are available for contactor assemblies for wye-delta starting. Contactors, overload relays, wye-delta timing relays, auxiliary switches for electrical interlock if required also feeder terminals, mechanical interlocks (exception: In the case of the assembly kit for size S00 contactor assemblies the mechanical interlock between the delta contactor and the star contactor is included in the kit) and base plates must be ordered separately. The wiring kits for sizes S00 and S0 contain the top and bottom main conducting path connections between the line and delta contactors (top) and between the delta and star contactors (bottom). In the case of sizes S to S only the bottom main conducting path connection between the delta and star contactors is included in the wiring module, owing to the larger conductor cross-section at the infeed. Motor protection Overload relays or thermistor motor protection tripping units can be used for overload protection. The overload relay can be either mounted onto the line contactor or separately fitted. It must be set to 0. times the rated motor current. Note: The selection of contactor types refers to fused configurations (see note on Technical Information on page /). B, for single infeed Overload relay, thermal (trip class CLASS ) Star jumper Base plates Setting range Overload relay, solid-state (CLASS trip class) Setting range A A RA -B ) RT -BA RU -HB0... RB0 -SB0... RU -JB0 RA -B ) RT -BA RU -AB0... RB0 -QB RU -BB RU -DB0 RV -A RT -BA RA -E... RU -DB RB0 -UB RU -FB0 RT -BA RA -F... RU -GB RU -HB0 -- RT -BA RA -E... RU -JB RB0 -EB RU -LB0 RA -D ) RT -BA RA -E RB0 -FC -- RT -BA RA -E RB0 -GC -- RT -BA RA -E RB0 -MC Siemens LV 0 /
3 RA, RA Contactor Assemblies RA Contactor Assemblies for Wye-Delta Starting RA complete units,... kw Siemens AG 0 Selection and ordering data Fully wired and tested contactor assemblies Size S00-S00-S00. kw RA.-XB-... Rated data AC- current I e at 0 Hz and 00 V 0 V 00 V 00 V 0 V ) Coil operating range at 0 Hz: x ; at 0 Hz: x. ) Price AC operation, 0/0 Hz.... AC C RA -XB-AB0 unit 0.0 AC C RA -XB-AF0 unit 0.0 AC 0 } RA -XB-AP0 unit AC B RA -XB-AB0 unit 0.0 AC B RA -XB-AF0 unit 0.0 AC 0 } RA -XB-AP0 unit DC B RA -XB-BB unit DC } RA -XB-BB unit.0 NSB0_00 Accessories Page Individual parts Page K ) K ) K ) Auxiliary switch block, front Surge suppressors Three-phase feeder terminals ) Use version with NO. ) Use version with NC. RH RT RA -K / /, / / Contactor,. kw Contactor,. kw Solid-state time-delay auxiliary switch block, front unassigned NO contact Mechanical interlock RT RT RT -G. RT RT RH -BA RA -B RT RT connecting clips Wiring modules on the top and bottom for connecting the main and control conducting paths / / / / / / Siemens LV 0
4 Siemens AG 0 Fully wired and tested contactor assemblies Size S0-S0-S0. kw RA, RA Contactor Assemblies RA Contactor Assemblies for Wye-Delta Starting RA complete units,... kw RA.-XC-... Rated data AC- current I e at 0 Hz and ) Coil operating range at 0 Hz: x ; at 0 Hz: x. 00 V 0 V 00 V 00 V 0 V ) Price AC operation, 0/0 Hz.. AC C RA -XC-AC unit.00 AC C RA -XC-AG unit.00 AC 0 } RA -XC-AL unit.00 / 0. /. AC C RA -XC-AC unit.00 AC C RA -XC-AG unit.00 AC 0 } RA -XC-AL unit.00.. DC } RA -XC-BB unit.0 / 0. / DC } RA -XC-BB unit.0. NSB0_00b Accessories Page Individual parts Page K K K Mechanical interlock, lateral Solid-state time-delay auxiliary switch block, front ) Mechanical interlock, front Auxiliary switch block, lateral Surge suppressor Three-phase feeder terminal ) Three-phase busbar ) Push-in lug ) for timing relay screw fixing RA -B RT -G... RA -A RH -EA.. RT RV -A RT -CC0 RP 0 / / / / / / / ) Contactor, kw Contactors, /. kw Timing relay, lateral unassigned NO contact Auxiliary switch block for local control - units - units RT RT RT RT RP -N.0 RH -CA RH -CA0 RH -CA RA -B RT RT Connecting clips Wiring modules on the top and bottom for connecting the main and control conducting paths / / ) / / / ) Generally possible. If a solid-state time-delay auxiliary switch block is mounted onto the front of K, a standard auxiliary switch block can only be mounted onto the side. ) and can only be mounted with contactors with screw terminal (coil). ) Not included in the scope of supply of the preassembled contactor assemblies; can be ordered as an accessory. ) See "Monitoring and Control Devices: RP, PV Timing Relays" "RP Timing Relays in Industrial Enclosure,. mm". Siemens LV 0 /
5 RA, RA Contactor Assemblies RA Contactor Assemblies for Wye-Delta Starting RA complete units,... kw Siemens AG 0 Fully wired and tested contactor assemblies Size S-S-S0 0 kw Rated data AC- current I e at 0 Hz and 00 V 0 V 00 V 00 V 0 V ) Price AC operation, 0/0 Hz 0 /. / 0 0 /. / 0 AC C RA -XC-AC unit.0 AC C RA -XC-AG unit.0 AC 0 } RA -XC-AL unit.0 DC } RA -XC-BB unit.00 RA -XC-... ) Coil operating range at 0 Hz: x ; at 0 Hz: x. NSB0_00c Accessories Page Individual parts Page K K K Mechanical interlock, lateral Depth compensation required K:. mm; K: 0 mm ) Solid-state time-delay auxiliary switch block, front ) Auxiliary switch block, lateral Surge suppressors Three-phase feeder terminals Three-phase busbars Push-in lug ) for timing relay screw fixing RA -B RT -G... RH -EA.. RT RT RV -A RV -A RP 0 / / / /, / / / ) Use the RA -B base plate for this configuration. ) Generally possible. If a solid-state time-delay auxiliary switch block is mounted onto the front of K, a standard auxiliary switch block can only be mounted onto the side. ) Not included in the scope of supply of the preassembled contactor assemblies; can be ordered as an accessory. ) See "Monitoring and Control Devices: RP, PV Timing Relays" "RP Timing Relays in Industrial Enclosure,. mm". ) Contactors, /0 kw RT RT RT / Timing relay, lateral unassigned NO contact Auxiliary switch block for local control - units - units Base plate RP -N.0 RH -CA RH -CA0 RH -CA RA -E RA -C ) / / / / The assembly kit contains the star jumper on the top and the wiring module on the bottom for connecting the main current paths. / Siemens LV 0
6 Siemens AG 0 Fully wired and tested contactor assemblies Size S-S-S kw RA, RA Contactor Assemblies RA Contactor Assemblies for Wye-Delta Starting RA complete units,... kw RA.-XC-... Rated data AC- current I e ) at 0 Hz and Price 00 V 0 V 00 V 00 V 0 V 0 DC B RA -XC-BB unit.00 DC B RA -XC-BB unit.00 ) Coil operating range at 0 Hz: x ; at 0 Hz: x. AC operation, 0/0 Hz 0 AC C RA -XC-AC unit.00 AC C RA -XC-AG unit.00 AC 0 } RA -XC-AL unit.00 AC C RA -XC-AC unit.00 AC C RA -XC-AG unit.00 AC 0 } RA -XC-AL unit.00 NSB0_00b Accessories Page Individual parts Page K K K Mechanical interlock, lateral Solid-state time-delay auxiliary switch block, front ) Mechanical interlock, front Auxiliary switch block, lateral Surge suppressor Three-phase feeder terminal Three-phase busbars Push-in lug ) for timing relay screw fixing RA -B RT -G... RA -A RH -EA.. RT RT RV -A RV -A RP 0 / / / / /, / / / ) Contactor, kw RT RT Contactor, kw RT RT Timing relay, lateral RP -N.0 unassigned NO contact RH -CA Auxiliary switch block for local control - units - units Base plate RH -CA0 RH -CA RA -F RA -B RT RT / / ) / / / / The assembly kit contains the star jumper on the top and the wiring module on the bottom for connecting the main current paths. ) Generally possible. If a solid-state time-delay auxiliary switch block is mounted onto the front of K, a standard auxiliary switch block can only be mounted onto the side. ) Not included in the scope of supply of the preassembled contactor assemblies; can be ordered as an accessory. ) See "Monitoring and Control Devices: RP, PV Timing Relays" "RP Timing Relays in Industrial Enclosure,. mm". Siemens LV 0 /
7 RA, RA Contactor Assemblies RA Contactor Assemblies for Wye-Delta Starting RA complete units,... kw Siemens AG 0 Fully wired and tested contactor assemblies Size S-S-S kw RA.-XC-... Rated data AC- current I e at 0 Hz and 00 V 0 V 00 V 00 V 0 V ) Coil operating range at 0 Hz: x ; at 0 Hz: x. ) Price AC operation, 0/0 Hz AC B RA -XC-AC unit.000 AC B RA -XC-AG unit.000 AC 0 } RA -XC-AL unit AC B RA -XC-AC unit.000 AC B RA -XC-AG unit.000 AC 0 } RA -XC-AL unit.000 DC B RA -XC-BB unit.00 0 DC B RA -XC-BB unit.00 0 NSB0_00d Accessories Page Individual parts Page K K K 0 Mechanical interlock, lateral Depth compensation required K: 0 mm; K:. mm ) Solid-state time-delay auxiliary switch block, front ) Auxiliary switch block, lateral Surge suppressor Push-in lug ) for timing relay screw fixing Single-phase feeder terminals RA -B RT -G... RH -EA.. RT RP 0 RA -L / / / / ) Use the RA -B base plate for this configuration. ) Generally possible. If a solid-state time-delay auxiliary switch block is mounted onto the front of K, a standard auxiliary switch block can only be mounted onto the side. ) / Contactor, kw Contactor, kw Timing relay, lateral unassigned NO contact Auxiliary switch block for local control - units - units Base plate RT RT RT RT RP -N.0 RH -CA RH -CA0 RH -CA RA -E RA -C RT RT / / ) / / / / The assembly kit contains the star jumper on the top and the wiring module on the bottom for connecting the main current paths. ) Not included in the scope of supply of the preassembled contactor assemblies; can be ordered as an accessory. ) See "Monitoring and Control Devices: RP, PV Timing Relays" "RP Timing Relays in Industrial Enclosure,. mm". / Siemens LV 0
8 Siemens AG 0 RA, RA Contactor Assemblies RA Contactor Assemblies for Wye-Delta Starting Components for customer assembly Selection and ordering data s RA -B NSB0_0 Version Size DT Price mechanical interlock; connecting clips star jumper, wiring modules on the top and bottom connecting clips star jumper, wiring modules on the top and bottom star jumper, wiring module on the bottom (Wiring module on the top is not included in the scope of supply. A double infeed between the line contactor and the delta contactor is recommended.) S00-S00-S00 } RA -B unit 0.00 S0-S0-S0 } RA -B unit 0.00 S-S-S0 } RA -C unit 0.00 S-S-S } RA -B unit 0.00 S-S-S } RA -C unit 0.0 S-S-S } RA -B unit 0. S-S-S A RA -B unit 0.0 S-S-S A RA -N unit 0.00 S-S-S A RA -B unit.00 S-S-S B RA -B unit.00 kg RA -N, RA -B, RA -B Single-phase feeder terminals Conductor cross-section: mm S A RA -L unit 0.0 Three-phase feeder terminal Feeder terminal block for the line contactor for large conductor cross-sections Conductor cross-section: mm S00 } RA -K unit 0.00 Conductor cross-section: mm S0 } RV -AB unit 0.0 Conductor cross-section: 0 mm S } RV -A unit 0. Three-phase busbars Bridging phase-by-phase of all input terminals of the line contactor (K) and S0 D RT -CC0 unit 0.00 the delta contactor (K) S } RV -A unit 0.0 Links for paralleling, -pole (star jumpers) RT -BA Base plates NSB0_0 Without connection terminal (the links for paralleling can be reduced by one pole) For customer assembly of contactor assemblies for wye-delta starting with a laterally mounted timing relay ) The RT -EA (S) or RT -EA (S, S) cover can be used for touch protection. S00 } RT -BA unit 0.0 S0 } RT -BA unit 0.0 S } RT -BA unit 0.00 S } RT -BA unit 0.00 S ) } RT -BA unit 0. S, S ) } RT -BA unit 0.00 Side-by-side mounting S, S, S0 B RA -E unit 0.0 mm distance between K and K S, S, S B RA -F unit 0.0 Side-by-side mounting S, S, S B RA -E unit 0.0 mm distance between K, K and K S, S, S B RA -E unit.00 S, S, S B RA -F unit.0 S, S, S B RA -E unit.0 For customer assembly of contactor assemblies for wye-delta starting with a front-mounted timing relay, mm distance between K, K and K S, S, S B RA -F unit.00 S, S, S B RA -E unit.00 S, S, S B RA -F unit.00 S, S, S0 B RA -B unit 0.0 S, S, S B RA -B unit 0.0 S, S, S B RA -B unit 0.00 Siemens LV 0 /
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