慣性延時裝置

慣性延時裝置是空氣開關上的一個特殊附屬裝置(特殊的型號才有)。

擁有該裝置的空氣開關在操作特性上則有特點,當突然操作該開關時,如果電流的尖峰值很高,但是脈衝寬度不夠的情況下,該開關不通。具體曲線參考以下圖片:
在此為專業技術人員附上英文說明:This inertia delay device is designed to prevent the circuit protector from operating erroneously due to such inrush current and to carry out an interruption within the prescribed operating characteristics in the face of an overcurrent.

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