auxiliary contactor block
... auxiliary condenser 辅助冷凝器 auxiliary contactor block 辅助触头组 auxiliary contactor 辅助接触器 ...
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辅助触头组件 Auxiliary contact units
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接触器还可方便地加装辅助触头组，和适当的热继电器组合，保护可能发生过负载的电路之用。
Contactor can be easily retro-fitting auxiliary contact group, and appropriate combination of thermal relay to protect the load that may have been circuits.
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