... , 1250, 1600, 2000, 2500, 3150, 4000Rated short-time withstands current(4s)ka16, 20, 25, 31.5, 40, 50Rated peak withstands ... CB door are openNote:1. The short-circuit capacity of current transformer is considered separately. 2. Details of the parameters of ZN ... so as to save space.8) Installation of current transformer:a. Frontal-mounted in the cable compartment which is the rear of cabinetb ...