... 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, 63, 80, 100, 125Rated insulation level1min power frequency withstands ... produced by our company or the imported VD4 series vacuum circuit breaker, and also has wide applicability, high reliability and long ...