400 amp stainless steel disconnect, GE Heavy Duty safety switch 400 amp 600 V. ac,  HP350, UL listed, Type 1, 4, 4X, 5, 12, enclosure suiteable for use as Service equipment, G.E. catalog# THN3365SS, model:10, Amps 400A, Volts: 600 Vac/ 250Vdc,. 3 phase, dimensions 24 1/2 inches wide X 2 1/2 inches deep X 59 1/2 inches tall,  View all photos for all the factory labels/tag for information.  Call for a delivered price.