The 8611-4 part from Struthers-Dunn is a three-pole , double-break, knife-blade, non-illuminated, metal-clad switch that is CSA certified and UL listed. It is rated at 24A, 480V AC, and features a molded plastic housing, a phenolic case ground, and double-break break-before-make contacts. It is a general purpose device suitable for commercial, industrial and institutional applications.