西門子SIRIUS 3RW 軟起動器是三相電機直接起動或 Y-△起動的有效替代方案，它們通過控制晶閘管觸發角，實現軟起動/軟停車，這樣有效地避免供電系統的壓降，減緩對機械設備的沖擊，從而降低整個系統的運維成本，提高生產率。為客戶帶來的受益降低對供電系統的沖擊，保證了供電電網的質量 提高電機保護，減緩機械設備沖擊，降低運維成本
提高應用場合的生產率

SIRIUS 3RW 軟起動器  緊湊型基本應用3RW30  緊湊型標準應用3RW40  新型設計通用產品3RW51  高端性能復雜應用3RW44
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3RW49578VX30
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3RW49668VX30
3RW49668VX40

標準起動 (CLASS 10)
泵
具有特殊泵停止功能的泵
（用于防止水錘）
熱泵
液壓泵
壓機
傳送帶
輥式輸送機
螺旋輸送機
自動扶梯
活塞式壓縮機
螺桿式壓縮機
小型風機1)
離心式鼓風機
船首推進器

重載起動 (CLASS 20)
攪拌機
擠出機
車床
銑床

超重載起動 (CLASS 30)
大型風機
圓鋸/帶鋸
離心機
研磨機
粉碎機

3RW52131AC04
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3RW55462HA14
3RW55462HA16
3RW55466HA04
3RW55466HA06
3RW55466HA14
3RW55466HA16
3RW55472HA04
3RW55472HA06
3RW55472HA14
3RW55472HA16
3RW55476HA04
3RW55476HA06
3RW55476HA14
3RW55476HA16
3RW55482HA04
3RW55482HA06
3RW55482HA14
3RW55482HA16
3RW55486HA04
3RW55486HA06
3RW55486HA14
3RW55486HA16
3RW59201UA00
3RW59201UA10
3RW59201UT00
3RW59201UT10
3RW59210PA04
3RW59210PA05
3RW59210PB04
3RW59210PB05
3RW59210PC04
3RW59210PC05
3RW59210PD04
3RW59210PD05
3RW59210PE04
3RW59210PE05
3RW59230PY04
3RW59230PY05
3RW59240PY04
3RW59240PY05
3RW59240SN05
3RW59240SQ05
3RW59240ST05
3RW59500GL20
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