... 2500, 3150, 4000Rated short-time withstands current(4s)ka16, 20, 25, 31.5, 40, 50Rated peak withstands current (peak value)ka40, 50, 63 ... short-circuit breaking currentka16, 20, 25, 31.5, 40, 50rated short-circuit making current (peak value)ka40, 50, 63, 80, 100, ... CB door are openNote:1. The short-circuit capacity of current transformer is considered separately. 2. Details of the parameters of ZN ...