The 9001K, 9001SK and 9001KX push button lines have 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. This contact blocks will work on 9001K, 9001SK and 9001KX operators. Contact block has one normally closed contact. Contact block has quick connect terminals. Contact block is UL Listed and CSA certified. "The contacts are made of silver alloy." "It is ideal for petrochemical, metallurgy, mining, oil and gas applications. It is also suitable for automotive, water and wastewater treatment applications." "This product is certified by NEMA and UL 508. It meets EN/IEC 60947-5-4, JIS C 852, EN/IEC 60947-5-1, CSA C22.2 No 14, EN/IEC 60947-1 and JIS C 4520 standards." "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."