Definition And Value Requirements Of Short-time Withstand Current Of Low-voltage Circuit Breakers
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Short-time withstand current is an indicator of the electrical and thermal stability of the Lv Pole Mounted Circuit Breakers during short-time tripping. It is specific to circuit breakers. Generally, the minimum short-time withstand current is 12In or 5kA when In≤2500A, and 30kA when In＞2500A.
