... that are positioned to support virtually any type of emergency power appliSHXion from simple, single ATS installations to highly complex, multi-ATS ... /generator switchgear systems. Available in sizes ranging from 40 through 4000A, there is a SHX switch to suit ... held contactorAvailable in 2, 3, and 4 pole versionsRating range from 40 to 4000 AmpsNEMA 1, 3R, 4, 4X, and 12 ...