The 9001SKRU push buttons are for use in 9001SKYP pendant stations. This line of yellow pendant stations consists of polymeric enclosures that will hold up to 10 push button operators. Type SKRU push buttons have a plastic operator that mounts in a 1.18 inch round hole. This push button consists of two momentary push button operators that are not interlocked. One operator has a no guard ring not with a black insert and a normally open contact. The other operator has a no guard ring nut with a red insert and a normally closed contact. Contact blocks have a UL Type A600, UL Type Q600 and a 10A resistive VAC rating. The contacts in these contact blocks are double break. 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. When properly installed this opertor is UL listed for Types 1, 2, 3, 3R, 4, 4X, 6, 12 and 13 environments. This operator is UL Listed and CSA certified. "It is installed into a 30mm panel cutout." "The modular range of 30mm plastic control and signaling provides robust and reliable solutions for a wide range of heavy industry applications."