SIRIUS Soft Starters - Siemens

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Soft Starters for Standard ApplicationsSIRIUS 3RW30 and 3RW40Thanks to their compact design, integrated motor overload and intrinsic deviceprotection, settable current limiting and further features, SIRIUS soft starters arethe ideal starter solution for all kinds of standard applications.8
In the past, typical starter solutions forstandard applications were based ondirect and wye-delta* starting. Today,the advantages offered by soft startersolutions are increasingly utilized.SIRIUS soft starters, for example, notonly improve the start-up behavior ofescalators, elevators, conveyor belts andpumps, as they simply facilitate a softerstart-up than electromechanical starters.Above all, they protect the drive systemand the mains supply and thus contributeto reducing the system costs from manypoints of view.To allow for an optimum adjustment ofyour drive to the application, we offera complete portfolio of soft starters invarious sizes for almost any applicationarea. For example, the two-phasecontrolledSIRIUS 3RW30 is particularlysuitable for standard applications up to55 kW. SIRIUS 3RW40, which additionallyoffers motor overload, intrinsic deviceand thermistor motor protection, alsomasters demanding tasks in a softmanner within the power range from5.5 to 250 kW.* star-delta9
Page 1 and 2: SIRIUS Soft StartersProtection of m
Page 3 and 4: SIRIUS Devices for the Control Cabi
Page 5 and 6: Soft Starting ofThree-Phase MotorsS
Page 7: I = 100 AII = 100 AIRated current I
Page 11 and 12: What are the advantages of softstar
Page 13 and 14: How is the SIRIUS 3RW40 set?Like wi
Page 15 and 16: How is the SIRIUS 3RW44 commissione
Page 17 and 18: ParameterizationAccess is either re
Page 19 and 20: Evaluation of additional motor feed
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Page 23 and 24: Effective Selection of SIRIUS Soft
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Page 27 and 28: SIRIUS 3RW403RW40..-..B0.3RW40..-..
Page 29 and 30: SIRIUS 3RW30 for normal startingRat
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Page 35 and 36: SIRIUS 3RW44 for normal starting (C
Page 37 and 38: SIRIUS 3RW44 for ultra-heavy-duty s
Page 39 and 40: Boundary conditionsCLASS 10 (normal

SIRIUS Soft Starters - Siemens

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