Knife Switch 1.Double/single throw 2.2P20A,2P30A,2P60A,2P100A, ... ,3P60A,3P100A,3P200A 3.Full copper, Zinc Alloy 4.CE knife switch with single throw 1. Single throw2. rated voltage 110 ... 2P100; 3P20, 3P30, 3P60 and 3P100,3P200A; 4p60, 4p100;5. Knife: iron copper-plating, copper; Zinc alloy terminal6. Colors: yellow or ...