保护继电器
Current Surge Limiting. The circuitry necessary to protect relay contacts from excessive transient current.
电流浪涌限制保护继电器触点不受太大瞬间电流损坏的必要电路.
The heat overload relay loses protect function reason analysis
热继电器失去保护作用原因分析
Contactor can be easily retro-fitting auxiliary contact group, and appropriate combination of thermal relay to protect the load that may have been circuits.
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。
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