Stator : OD82 Shaft : Single Dual Input power : DC24/48V DC115/310V output power : 20~250W Speed : 300 ~3000 R.P.M Rotation : CW CCW Magnet : Permanent magnet Bearing : Ball bearing Storage humidity : 70%RH max. (non condensing) Operation temp. : 0 40 (non condensing & freezing) Insulation class : E Energy efficiency : 1st level