For sale is a Powerstat Variable Autotransformer (A.K.A.: "Variac"). 1/50-60/120VAC input. 1/50-60/0 To 280VAC output at 7.5 amps / 2.1 kVA. Comes with a length of 1/60/120VAC input line, heavy-duty 3-prong plug, fuse with fuse-holder, and standard 3-prong AC outlet. NOTE: This Variac turns very smoothly by hand. There is a small indentation in the top plate where it meets the black junction box (see photographs). The interior of the unit is in excellent condition.