UL98 Open and Enclosed Disconnect Switches Altech UL98 Open and Enclosed Disconnect Switches are ideal for use in direct and extended handle applications. The enclosed switches are available in plastic, sheet metal, or stainless steel enclosures. Options include 3 or 4 pole, open type, or polycarbonate enclosed switches with a black or a yellow/red handle. Every design is lockable in the OFF position, and the switching mechanism speed is independent of the operator. Altech UL98 Open and Enclosed Disconnect Switches feature a terminal size acceptability of 8AWG to 1/0AWG, a current range of 60A to 100A, and silver contacts that ensure safe and durable operation.