软启动器(soft starter)是一种集电机软起动、软停车、轻载节能和多种保护功能于一体的新颖电机控制装置,国外称为Soft Starter。它的主要构成是串接于电源与被控电机之间的三相反并联闸管及其电子控制电路。运用不同的方法,控制三相反并联闸管的导通角,使被控电机的输入 电压按不同的要求而变化,就可实现不同的功能。软起动器和变频器是两种*不同用途的产品。变频器是用于需要调速的地方,其输出不但改变电压而且同时改变频率;软起动器实际上是个调压器,用于电机起动时,输出只改变电压并没有改变频率。变频器具备所有软起动器功能,但它的价格比软起动器贵得多,结构也复杂得多。电动机软起动器是运用串接于电源与被控电机之间的软起动器,控制其内部晶闸管的导通角,使电机输入电压从零以预设函数关系逐渐上升,直至起动结束,赋予电机全电压,即为软起动,在软起动过程中,电机起动转矩逐渐增加,转速也逐渐增加。功率 新3RW30系列 功率 新3RW40系列 功率 3RW44系列1.5KW/3.6A 3RW30131BB04 5.5KW/12.** 3RW40241BB14 15KW/29A 3RW4422-3BC443KW/6.** 3RW30141BB04 5.5KW/12.** 3RW40241BB14 18.5KW/36A 3RW4423-3BC444KW/9A 3RW30161BB04 5.5KW/12.** 3RW40241BB14 22KW/47A 3RW4424-3BC445.5KW/12.** 3RW30171BB04 5.5KW/12.** 3RW40241BB14 7.5KW/17.6A 3RW30181BB04 11KW/2** 3RW40261BB14 30KW/57A 3RW4425-3BC4411KW/2** 3RW30261BB04 11KW/2** 3RW40261BB14 37KW/77A 3RW4426-3BC4415KW/32A 3RW30271BB04 15KW/32A 3RW40271BB14 45KW/93A 3RW4427-3BC4418.5KW/38A 3RW30281BB04 18.5KW/38A 3RW40281BB14 55KW/113A 3RW4434-6BC4422KW/4** 3RW30361BB04 22KW/4** 3RW40361BB14 75KW/134A 3RW4435-6BC4430KW/66A 3RW30371BB04 30KW/63A 3RW40371BB14 90KW/162A 3RW4436-6BC4437KW/72A 3RW30381BB04 37KW/72A 3RW40381BB14 110KW/203A 3RW4443-6BC4445KW/80A 3RW30461BB04 45KW/80A 3RW40461BB14 132KW/250A 3RW4444-6BC4455KW/106A 3RW30471BB04 55KW/106A 3RW40471BB14 160KW/313A 3RW4445-6BC441.5KW/3.6A 3RW30131BB14 5.5KW/12.** 3RW40241BB05 200KW/356A 3RW4446-6BC443KW/6.** 3RW30141BB14 11KW/2** 3RW40261BB05 250KW/432A 3RW4447-6BC444KW/9A 3RW30161BB14 11KW/2** 3RW40261BB05 315KW/551A 3RW4453-6BC445.5KW/12.** 3RW30171BB14 15KW/32A 3RW40271BB05 355KW/590A 3RW4454-6BC447.5KW/17.6A 3RW30181BB14 18.5KW/38A 3RW40281BB05 400KW/693A 3RW4455-6BC4411KW/2** 3RW30261BB14 22KW/4** 3RW40361BB05 450KW/780A 3RW4456-6BC4415KW/32A 3RW30271BB14 30KW/63A 3RW40371BB05 500KW/880A 3RW4457-6BC4418.5KW/38A 3RW30281BB14 37KW/72A 3RW40381BB05 560KW/970A 3RW4458-6BC4422KW/4** 3RW30361BB14 45KW/80A 3RW40461BB05 630KW/1076A 3RW4465-6BC4430KW/66A 3RW30371BB14 55KW/106A 3RW40471BB05 37KW/72A 3RW30381BB14 5.5KW/12.** 3RW40241BB15 45KW/80A 3RW30461BB14 11KW/2** 3RW40261BB15 55KW/106A 3RW30471BB14 11KW/2** 3RW40261BB15 15KW/32A 3RW40271BB15 18.5KW/38A 3RW40281BB15 22KW/4** 3RW40361BB15 30KW/63A 3RW40371BB15 37KW/72A 3RW40381BB15 45KW/80A 3RW40461BB15 55KW/106A 3RW40471BB15