1)YCW1 Series Air Circuit Breaker 2)AC 50Hz rated voltage 400V,690V 3)Output:2000pcs/day 4 ... )CE,CB,ISO9001,14001,IEC 5)OEM YCW1 Series Air Circuit Breaker ... Brandwww.cncelegroup.com YCW1 series intelligent air circuit breaker (hereinafter called ACCBS) are applied to the ... network circuit of AC 50 Hz, rated voltage 400V, 690V and rated current between 400A and 6300 ...