Semiconductor soft starter 3RW3 8.2.3 Comparison: soft starter 3RW3 with the soft starters SIKOSTART 3RW22 and SIKOSTART 3RW34 Soft starters are available for diverse applications. The following graphic provides an overview of the various soft starters: Funktionen High End SIKOSTART 3RW22 2phasig nur Inline SIKOSTART 3RW34 Low End 12/16/25A S0 S2 S3 + 575V+ Hilfskontakte SIRIUS Sanftstarter 3RW30/31 6/9A S00 710 5,5 45 22 11 1000 Leistung in kW bei 400V Fig. 8-9: Overview of soft starters SIKOSTART 3RW22 The SIKOSTART 3RW22 is suitable for drives that place a high demand on the functionality of the starter. It covers a power range between 3 and 710 kW (at 400 V).
SIKOSTART 3RW22 offers the following possibilities: Soft starting and coasting Breakaway torque DC braking Energy saving mode Temperature monitoring Possibilities of operation with a PC via an RS232 interface Selection and configuration program Current and voltage limiting Pump functionality (e.g. pump coasting) Starting detection Three parameter sets Diverse coasting modes Electronic device overload protection The " SIKOSTART 3RW22 application manual" presents the various applica- tion areas and circuit variants (Order No. E20001-P285-A484-V4). Rev. 08/99 8-13