1.Porcelain knife switch. 2. 110V to 600V, 20A to 200A. 3. OEM are available . 4. Safe usage good quality.

Detailed Product Description1) Item name: porcelain knife switch 2) Materials: Body: porcelain base and bakelite cover

4) Knife: iron copper-coated, or copper;5) Metal accessories: copper block or iron flake;6) Colour: yellow or blue cover;7) Package details: colour box

Good quality and factory direct price.   

Porcelain knife switch