西门子软启动器3RW4457-6BC34应用指南

西门子软启动器3RW4457-6BC34应用指南

西门子SIRIUS 3RW系列是低压电机软起动器，用于平滑启停、降低冲击电流、保护机械与电网，主流分3RW30/40/44（老款）与3RW50/51/52/55（新款），功率覆盖 0.75kW~800kW。

应用场景
标准轻载：风机、水泵、输送机 → 3RW30/50/52 
重载 / 频繁启动：破碎机、球磨机、压缩机 → 3RW44/55 
安全要求高：食品、化工、起重 → 3RW55F 
经济型替代星三角：3RW52，接线简单、维护少。

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