... , 4000Rated short-time withstands current(4s)ka16, 20, 25, 31.5, 40, 50Rated peak withstands current (peak value)ka40, 50, 63 ... , 80, 100, 125Rated short-circuit breaking currentka16, 20, 25, 31.5, 40, 50rated short-circuit making current (peak value)ka40, 50 ... wide applicability, high reliability and long-tem maintenance-free feature.5) The handcart has position for working and testing, each one has ...