VentilatorMotor. Motor for air exhauster , electric heater, and bath heater.... Optimized design, smooth running, good starting , long service life. Technical Parameter : Model Rated Voltage (V) Rated Frequency (Hz) Rated Power Input (W) Rated Current (A) Rated Speed of Rotation (r/mm) Capacity (uf/450v) Noise YYHS-50 220/110 50/60 50 0.18/0.36 1200 1.2/4 42 YYHS-40 220/110 50/60 40 0.16/0.32 1250 1.0/3 42 YYHS-30 220/110 50/60 30 0.14/0.28 1300 0.8/2.5 42 YYHS-20 220/110 50/60 20 0.12/0.24 1350 0.8/2.5 42