西门子软启动器可以限制起动电流和起动转矩，有效防止机械冲击以及电网电压降。通过相位控制降低电机电压，并能够在可调起动时间内将电机电压增加到电网电压。软起动和软停车可以保证连接设备上的应力最小化，确保生产运营平稳。采用两相控制的SIRIUS 3RW30/属于标准型，最适用于功率55KW的标准应用。3RW40也属于标准型，适用范围为75～250KW，3RW44属于高性能型产品，适用范围为15～1200KW。3RW40、3RW44都是西门子公司的新产品。
应用：
通风、泵、传送、压缩机、风机、混合机、铣床、碎石机。
西门子软启动器3RW全系列
3RW2122-1BG01
3RW4422-1BC44
3RW4443-6BC44
3RW2124-1BG01
3RW4422-1BC34
3RW4443-6BC34
3RW2125-1BG01
3RW4422-3BC44
3RW4456-2BC44
3RW2221-1AB15
3RW4422-3BC34
3RW4427-3BC34
3RW4443-2BC34
3RW4447-2BC34
3RW4456-2BC34
3RW2223-1AB15
3RW4422-1BC45
3RW4427-1BC45
3RW4443-6BC45
3RW4447-6BC45
3RW4456-6BC45
3RW2225-1AB15
3RW4422-1BC35
3RW4427-1BC35
3RW4443-6BC35
3RW4447-6BC35
3RW4456-6BC35
3RW2226-1AB15
3RW4422-3BC45
3RW4427-3BC45
3RW4443-2BC45
3RW4447-2BC45
3RW4456-2BC45
3RW2227-1AB15
3RW4422-3BC35
3RW4427-3BC35
3RW4443-2BC35
3RW4447-2BC35
3RW4456-2BC35
3RW2228-1AB15
3RW4422-1BC46
3RW4427-1BC46
3RW4443-6BC46
3RW4447-6BC46
3RW4456-6BC46
3RW2230-1AB15
3RW4422-1BC36
3RW4427-1BC36
3RW4443-6BC36
3RW4447-6BC36
3RW4456-6BC36
3RW2231-1AB15
3RW4422-3BC46
3RW4427-3BC46
3RW4443-2BC46
3RW4447-2BC46
3RW4456-2BC46
3RW2234-0DB15
3RW4422-3BC36
3RW4427-3BC36
3RW4443-2BC36
3RW4447-2BC36
3RW4456-2BC36
3RW2235-0DB15
3RW4423-1BC44
3RW4434-6BC44
3RW4444-6BC44
3RW4453-6BC44
3RW4457-6BC44
3RW2236-0DB15
3RW4423-1BC34
3RW4434-6BC34
3RW4444-6BC34
3RW4453-6BC34
3RW4457-6BC34
3RW2236-0DB16
3RW4423-3BC44
3RW4434-2BC44
3RW4444-2BC44
3RW4453-2BC44
3RW4457-2BC44
3RW2236-0DB18
3RW4423-3BC34
3RW4434-2BC34
3RW4444-2BC34
3RW4453-2BC34
3RW4457-2BC34
3RW2238-0DB15
3RW4423-1BC45
3RW4434-6BC45
3RW4444-6BC45
3RW4453-6BC45
3RW4457-6BC45
3RW2238-0DB16
3RW4423-1BC35
3RW4434-6BC35
3RW4444-6BC35
3RW4453-6BC35
3RW4457-6BC35
3RW2240-0DB15
3RW4423-3BC45
3RW4434-2BC45
3RW4444-2BC45
3RW4453-2BC45
3RW4457-2BC45
3RW2240-0DB16
3RW4423-3BC35
3RW4434-2BC35
3RW4444-2BC35
3RW4453-2BC35
3RW4457-2BC35
3RW2240-0DB18
3RW4423-1BC46
3RW4434-6BC46
3RW4444-6BC46
3RW4453-6BC46
3RW4457-6BC46
3RW2241-0DB15
3RW4423-1BC36
3RW4434-6BC36
3RW4444-6BC36
3RW4453-6BC36
3RW4457-6BC36
3RW2242-0DB14
3RW4423-3BC46
3RW4434-2BC46
3RW2242-0DB15
3RW4423-3BC36
3RW2242-0DB16
3RW4424-1BC44
3RW4435-6BC44
3RW4445-6BC44
3RW4454-6BC44
3RW4458-6BC44
3RW2242-0DB18
3RW4424-1BC34
3RW4435-6BC34
3RW4445-6BC34
3RW4454-6BC34
3RW4458-6BC34
3RW2243-0DB14
3RW4424-3BC44
3RW4435-2BC44
3RW4445-2BC44
3RW4454-2BC44
3RW4458-2BC44
3RW2243-0DB15
3RW4424-3BC34
3RW4435-2BC34
3RW4445-2BC34
3RW4454-2BC34
3RW4458-2BC34
3RW2243-0DB16
3RW4424-1BC45
3RW4435-6BC45
3RW4445-6BC45
3RW4454-6BC45
3RW4458-6BC45
3RW2245-0DB14
3RW4424-1BC35
3RW4435-6BC35
3RW4445-6BC35
3RW4454-6BC35
3RW4458-6BC35
3RW2245-0DB15
3RW4424-3BC45
3RW4435-2BC45
3RW4445-2BC45
3RW4454-2BC45
3RW4458-2BC45
3RW2247-0DB14
3RW4424-3BC35
3RW4435-2BC35
3RW4445-2BC35
3RW4454-2BC35
3RW4458-2BC35
3RW2247-0DB15
3RW4424-1BC46
3RW4435-6BC46
3RW4445-6BC46
3RW4454-6BC46
3RW4458-6BC46
3RW2247-0DB16
3RW4424-1BC36
3RW4435-6BC36
3RW4445-6BC36
3RW4454-6BC36
3RW4458-6BC36
3RW2250-0DB14
3RW4424-3BC46
3RW4435-2BC46
3RW4445-2BC46
3RW4454-2BC46
3RW4458-2BC46
3RW2250-0DB15
3RW4424-3BC36
3RW4435-2BC36
3RW4445-2BC36
3RW4454-2BC36
3RW4458-2BC36
3RW2250-0DB16
3RW4425-1BC44
3RW4436-6BC44
3RW4446-6BC44
3RW4455-6BC44
3RW4465-6BC44
3RW2701-0AA00
3RW4425-1BC34
3RW4436-6BC34
3RW4446-6BC34
3RW4455-6BC34
3RW4465-6BC34
3RW2900-3AA00
3RW4425-3BC44
3RW4436-2BC44
3RW4446-2BC44
3RW4455-2BC44
3RW4465-2BC44
3RW2900-3BA00
3RW4425-3BC34
3RW4436-2BC34
3RW4446-2BC34
3RW4455-2BC34
3RW4465-2BC34
3RW2920-0AB00
3RW4425-1BC45
3RW4436-6BC45
3RW4446-6BC45
3RW4455-6BC45
3RW4465-6BC45
3RW2920-0BA00
3RW4425-1BC35
3RW4436-6BC35
3RW4446-6BC35
3RW4455-6BC35
3RW4465-6BC35
3RW2920-0BB00
3RW4425-3BC45
3RW4436-2BC45
3RW4446-2BC45
3RW4455-2BC45
3RW4465-2BC45
3RW2920-0BC00
3RW4425-3BC35
3RW4436-2BC35
3RW4446-2BC35
3RW4455-2BC35
3RW4465-2BC35
3RW2920-0BD00
3RW4425-1BC36
3RW4436-6BC46
3RW4446-6BC46
3RW4455-6BC46
3RW4465-6BC46
3RW2920-1BB05
3RW4425-1BC46
3RW4436-6BC36
3RW4446-6BC36
3RW4455-6BC36
3RW4465-6BC36
3RW2920-1BC05
3RW4425-3BC46
3RW4436-2BC46
3RW4446-2BC46
3RW4455-2BC46
3RW4465-2BC46
3RW2920-1BC06
3RW4425-3BC36
3RW4436-2BC36
3RW4446-2BC36
3RW4455-2BC36
3RW4465-2BC36
3RW2920-1BC08
3RW4426-1BC44
3RW4466-6BC44
3RW2920-1DA00
3RW4426-1BC34
3RW4466-6BC34
3RW2920-2AD00
3RW4426-3BC44
3RW4466-2BC44
3RW2920-2AE00
3RW4426-3BC34
3RW4466-2BC34
3RW2920-2AH00
3RW4426-1BC45
3RW4466-6BC45
3RW2920-2AJ00
3RW4426-1BC35
3RW4466-6BC35
3RW2920-2AK00
3RW4426-3BC45
3RW4466-2BC45
3RW2920-2AL00
3RW4426-3BC35
3RW4466-2BC35
3RW2920-3AC00
3RW4426-1BC46
3RW4466-6BC46
3RW2920-3AD00
3RW4426-1BC36
3RW4466-6BC36
3RW2920-3AE00
3RW4426-3BC46
3RW4466-2BC46
3RW2920-3AF00
3RW4426-3BC36
3RW4466-2BC36
3RW2920-4AC00
3RW2920-4AD00
3RW2920-6KC00
3RW2920-6KD00
3RW2920-6KE00
3RW2920-6KH00
3RW2920-6LC00
3RW2920-6LD00
3RW2920-6LE00
3RW2920-6LH00
3RW2920-6MC00
3RW2920-6ME00
3RW3003-1CB54
3RW3003-2CB54
3RW3014-1CB04
3RW3014-1CB14
3RW3016-1CB04
3RW3016-1CB14
3RW3024-1AB04
3RW3024-1AB05
3RW3024-1AB14
3RW3024-1AB15
3RW3025-1AB04
3RW3025-1AB05
3RW3025-1AB14
3RW3025-1AB15
3RW3026-1AA12
3RW3026-1AB04
3RW3026-1AB05
3RW3026-1AB14
3RW3026-1AB15
3RW3034-1AB04
3RW3034-1AB05
3RW3034-1AB14
3RW3034-1AB15
3RW3035-1AA12
3RW3035-1AB04
3RW3035-1AB05
3RW3035-1AB14
3RW3035-1AB15
3RW3036-1AB04
3RW3036-1AB05
3RW3036-1AB14
3RW3036-1AB15
3RW3044-1AB04
3RW3044-1AB05
3RW3044-1AB14
3RW3044-1AB15
3RW3045-1AA12
3RW3045-1AB04
3RW3045-1AB05
3RW3045-1AB14
3RW3045-1AB15
3RW3046-1AB04
3RW3046-1AB05
3RW3046-1AB14
3RW3046-1AB15
3RW3124-1CB14
3RW3124-1CB15
3RW3125-1CB14
3RW3125-1CB15
3RW3126-1CB14
3RW3126-1CB15
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