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启动器（又称软起动器，电机软起动器） 软启动器是一种
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。
3RW4软启动器型号：
3RW4055-2BB34 3RW4055-2BB35
3RW4055-2BB44 3RW4055-2BB45
3RW4055-6BB34 3RW4055-6BB35
3RW4055-6BB44 3RW4055-6BB45
3RW4056-2BB34 3RW4056-2BB35
3RW4056-2BB44 3RW4056-6BB34
3RW4056-6BB35 3RW4073-6BB45
3RW4056-2BB45 3RW4056-6BB44
3RW4056-6BB45 3RW4073-2BB35
3RW4073-6BB35 3RW4073-6BB44
3RW4074-2BB34 3RW4073-2BB34
3RW4073-2BB44 3RW4073-2BB45
3RW4073-6BB34 3RW4074-2BB35
3RW4074-2BB44 3RW4074-2BB45
3RW4074-6BB34 3RW4074-6BB35
3RW4074-6BB44 3RW4074-6BB45
3RW4075-2BB34 3RW4075-2BB35
3RW4075-2BB44 3RW4075-2BB45
3RW4075-6BB34 3RW4075-6BB35
3RW4075-6BB44 3RW4075-6BB44
3RW4075-6BB45 3RW4076-2BB34
3RW4076-2BB35 3RW4076-2BB44
3RW4076-2BB45 3RW4076-6BB34
3RW4076-6BB35 3RW4076-6BB44
3RW4076-6BB45 3RW4422-1BC34
3RW4422-1BC35 3RW4422-1BC44
3RW4422-1BC45 3RW4422-1BC46
3RW4422-3BC34 3RW4422-3BC35
3RW4422-3BC36 3RW4422-3BC44
3RW4422-3BC45 3RW4422-3BC46
3RW4423-1BC34 3RW4423-1BC35
3RW4423-1BC36 3RW4423-1BC44
3RW4423-1BC45 3RW4423-1BC46
3RW4423-3BC34 3RW4423-3BC35
3RW4423-3BC36 3RW4423-3BC44
3RW4423-3BC45 3RW4423-3BC46
3RW4424-1BC34 3RW4424-1BC35
3RW4424-1BC36 3RW4424-1BC44
3RW4424-1BC45 3RW4424-1BC46
3RW4424-3BC34 3RW4424-3BC35
3RW4424-3BC36 3RW4424-3BC44
3RW4424-3BC45 3RW4424-3BC46
3RW4425-1BC34 3RW4425-1BC35
3RW4425-1BC36 3RW4425-1BC44
3RW4425-1BC45 3RW4425-1BC46
3RW4425-3BC34 3RW4425-3BC35
3RW4425-3BC36 3RW4425-3BC44
3RW4425-3BC45 3RW4425-3BC45
3RW4425-3BC45 3RW4425-3BC46
3RW4426-1BC34 3RW4426-1BC35
3RW4426-3BC36 3RW4426-1BC36
3RW4426-1BC44 3RW4426-1BC45
3RW4426-1BC46 3RW4426-3BC34
3RW4426-3BC35 3RW4426-3BC44
3RW4426-3BC45 3RW4426-3BC46
3RW4427-1BC34 3RW4427-1BC35
3RW4427-1BC36 3RW4427-1BC44
3RW4427-1BC45 3RW4427-1BC46
3RW4427-3BC34 3RW4427-3BC35
3RW4427-3BC36 3RW4427-3BC44
3RW4427-3BC45 3RW4427-3BC46
3RW4434-2BC34 3RW4434-2BC35
3RW4434-2BC36 3RW4434-2BC44
3RW4434-2BC45 3RW4434-2BC46
3RW4434-6BC34 3RW4434-6BC35
3RW4434-6BC36 3RW4434-6BC44
3RW4427-1BC36 3RW4434-6BC45
3RW4434-6BC46 3RW4435-2BC34
3RW4435-2BC35 3RW4435-2BC36
3RW4435-2BC44 3RW4435-2BC45
3RW4435-2BC46 3RW4435-6BC34
3RW4435-6BC35
