wind power surge protector 1,wind power generating system surge protection device 2,In=20KA, Imax=40KA 3,IEC61643-1 wind power surge protector1,wind power generating system surge protection device2,In=20KA, Imax=40KA3,IEC61643-1 Uc=550V ACIn=20KAImax=40KAUp≤ 2.0KV