The 9001K push button line has a large variety of operators and accessories for heavy industry applications. These operators are used in the petrochemical, metallurgy, mining, oil and gas, wastewater treatment and automotive manufacturing industries and more. Type K operators have a die cast operator that mounts in a 1.18 inch round hole. This operator combines the function of a momentary push button and a two position selector switch into one operator. Operator is supplied with a black insert. Two 9001KA1 contact blocks must be added to this operator to make it work properly. When properly installed this opertor is UL listed for Types 1, 2, 3, 3R, 4, 6, 12 and 13 environments. This operator is UL Listed and CSA certified. "It is ideal for petrochemical, metallurgy, mining, oil and gas applications. It is also suitable for automotive, water and wastewater treatment applications." "This product meets EN 60947-5-1/A1 standard." "It is installed into a Ø 30mm panel cutout." "A comprehensive range of illuminated pushbuttons, pilot lights, emergency stop buttons, selector switches, joystick controllers and accessories to fit your needs." "The modular range of Ø 30mm metal control and signaling provides robust and reliable solutions for a wide range of heavy industry applications."