Key Features : Finger Proof Protection For Ip 20 Protection Against Accidental Contact, Tunnel Terminal Preventing Screwdrivers From Slipping, Fully Shrouded Internal Mechanism Under The Rocker Preventing Visibility Of Sparks, Confirming To Is 3854 Standard , Shape : Round, Width (mm) : 45 Height (mm) : 45 , Suitable for : Direct Control of a Motor, Other Features : Stunning Finishes, Flexibility During Installation