Stator : OD140(NEMA48) Input Power : VAC 115/230 output power : 1HP Speed : 300 ~4000 R.P.M Rotation : CW CCW Magnet : Permanent magnet Bearing : Ball bearing Storage humidity : 95%RH max. (non condensing) Operation temp. : 0-55(non condensing & freezing) Insulation class : B Energy efficiency : 1st level