The joints of control bypass contactor passive relay output points;
控制旁路接触器的接点是无源继电器输出点；
Question: Is it necessary to add external bypass contactor for 3RW40 softstarter? What's the result when adding external bypass contactor for 3RW40 softstarter?
问题：3RW40软起动器是否需要设计外置旁路接触器？如加外置旁路接触器会有何影响？
Line, bypass and power factor correction contactor coils can be directly controlled.
控制线路、旁通和功率因素校正接触器线圈。
Line, bypass and power factor correction contactor coils can be directly controlled.
控制线路、旁通和功率因素校正接触器线圈。
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