This is the total time from energizing the trip coil until the interruption of current on the primary arcing contacts.

此时间为从跳闸线圈受电到主触头电弧电流开断为止的总时间。

youdao

This is the total time from energizing the trip coil until the interruption of current on the primary arcing contacts.

此时间为从跳闸线圈受电到主触头电弧电流开断为止的总时间。

youdao