.5018OT1BRBOW56-S WEG 1/2HP Fan & Exhaust Electric Motor, 1800RPMElectric Motors Frame W56 Output 0. 5 HP (0. 37 kW) Number of Poles 4 Frequency 60 Hz Rated speed 1730 rpm Slip 3. 89 % Rated voltage 115 208 230 V Rated current 4. 86 3. 04 2. 43 A L. R. Amperes 37. 4 23. 4 18. 7 A LRC 7. 7x(Code K) No load current 2. 70 1. 16 1. 35 A Rated torque 1. 50 ft. lb Locked rotor torque 300 % Breakdown torque 270 % Locked rotor time 27s (cold) 15s (hot) Moment of inertia (J) 0. 0520 sq. ft. lb Design N Insulation Class F