Circuit Breaker, AC Contactor, Starters manufacturer / supplier in China, offering Ycs7n Series High Capacity Surge Protection with 35mm Rail Mounting for Electrical Systems, 1p 2p 3p 4p 120V 275V 385V 400V AC Surge Protective Device Surge Protector Device Surging 2p SPD 20-40ka, 1p 2poles 3p 4poles 125A DIN Rail Main Switch Disconnector Switch for MCB and so on.