Ceramic Knife Switch 1.Double throw 2.2P,100A, 3.Full Iron plated copper&zinc alloy 4.Good quality and low price Copper Ceramic Knife Switch1 ... 2P100; 3P20, 3P30, 3P60 and 3P100,3P200A; 4p60, 4p100;5. Knife:full iron copper-plating; iron copper-plating, Zinc alloy terminal6 ... or other cover;7. Package details: standard exportable carton ; Copper Ceramic Knife Switch with best price