... usage,Favorable price 3)Timely delivery,Good sales service Knife Switch four pole1)Current/Voltage:32A/380V2)Material:PP cover/bakelite ... SIZE(L*W*H)cm:40*35*21Function :it is used to gather or break the low pressure power,protecting the ... *100A,4P*160A,4P*225A,,3P*63A, HK18 (YIBAI) knife switch