The Grainger 16V681 is a Dayton 1/3 HP 115/230V AC electric motor. It is a single phase, open drip proof motor with a 1/2" diameter shaft and a 1/3 HP rating. The motor operates on 115/230V AC power and has a nameplate RPM of 1725. Key features include thermal overload protection, manual reset, ball bearings, and a C-face mounting style. The motor dimensions are 6-1/2" diameter x 7-3/4" long and it weighs approximately 18 pounds. Overall, this Dayton electric motor provides 1/3 HP of power with standard features for industrial applications requiring 115/230V AC input.