... 2X20A Double Throw Porcelain Knife Switch 1.Single throw/Double throw 2.2P20A,2P30A,2P60A,2P100A,3P30A,3P60A,3P100A,3P2 FNK 2X20A Double ... 3P30A,3P60A,3P100A,3P200A 3.iron/zinc alloy/copper(Double/Singlethrow 2PX20A,2PX30A,2PX60A,2PX100A,2PX200A,3PX20A,3PX30A,3PX60A ... quality better price, the same price better quality.knife switch packing list modelspecificationpcs/ctnG.W/N.W(KG) 2p20AS36X29X25CM6018 ...