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 non-illuminated mushroom operator has a die cast ring nut. This operator has one 9001KA1 contact blocks mounted on the back. The contact block has one normally open and one normally closed contact. Contact block have a UL Type A600, UL Type Q600 and a 10A resistive VAC rating. The contacts in these contact blocks are double break direct acting. Contact blocks will accept up to two 12AWG to 24 AWG solid or stranded wires. The contact block terminals are protected to meeting VDE 0106 Part 100. This operator is supplied with a yellow 1.375 inch diameter snap-in mushroom button. 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. "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 30mm metal control and signaling provides robust and reliable solutions for a wide range of heavy industry applications."