1.Outdoor High voltage Isolator switch 2.Reasonable price and short delivery 3.Materials:porcelain,metal etc. 4.ODM OEM ... Professional technology9.Safe usage and Favorabl Technical specificationTypeRated voltage(kv)Rated current(A)4S Heat steady current( ... in producting high and low voltage product, such as lamp holder, socket, plug, light, switch, connector, fuse, insulator, spindle, cable, doorbell ...