... ,best quality 3P200AD Porcelain Knife Switch 1)Model number:3P200AD 2)Specification:Single throwDthrow 3)Series:2P20A,2P30A,2P60A,2P100A,3P20A,3P60A,3P100A ... ,3P200A,4P60A,4P100A 4)Material: Body:Porcelain; knife:iron,copper selectable ; Inner ... ):36*30*36 8)Delivery time:30-45days Electrical Porcelain Knife Switch 3P200AD