ModelRatedvoltage(v)Ratedfrequency(hz) Ratedspeed(r/min) Ratedcurrent(mA) Ratedpower(w) Pull-inTorque(kgf.cm) Startingvoltage(v) Temperaturerise(k) Noise(db)InsulationClass50SM25-212060 9 =40 =3 =0.34 =90 =80 =40A 12060 2.25 =40 =3 =1.36 =90 =80 =40A 12060 2.656 =40 =3 =1.15 =90 =80 =40A