过电流继电器是继电保护装置的一种，当负载电流超过整定值时，继电器动作。

An "Overcurrent relay" is a type of protective relay which operates when the load current exceeds a preset value.

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过电流继电器是继电保护装置的一种，当负载电流超过整定值时，继电器动作。

An "Overcurrent relay" is a type of protective relay which operates when the load current exceeds a preset value.

youdao