ceramic knife switch : 1.double throw 2.current/Voltage:100A/250V 3. ... )cm:16.2*6.5*.65mm Ceramic knife switch,Features:1) Main material:ceramics,PP cover2) Knife:copper3) Inner accessories:copper or iron ... other regions in the world.We have many kinds of knife switches:2P30A,2P60A,3P30A,3P60A,3P100A,etc. 3P power switch ...