... 40 dB 3.Torque:34mN.m Air cooler stepping motor and synchronous motor1.Rated voltage :12VDC±10% 2.Number of Pole ... ) 13.Noise: <35dB(100Hz,No load ,10cm)Ningbo Saier Industry and Trade Co., Ltd.Basic Company Information : * One of China's Top 500 ... , Turkey,Sri Lanka,Maylisia,Thailand and so on.CertificateIS0900l, ISOl400l, OHSASl800l ,IEC, CE,TUV and RoHS standards and so on.Sales Focus* Quality ...