Product Details The new series motor YFD series fan with low noise three-phase asynchronous motor Y series is based on the derived, the company is based on the characteristics of air conditioning blower design and development of a new generation of low-noise machine, with high efficiency, smooth start vibration smooth, vibration, good performance advantages, power level and mounting dimensions conform to the International Electrotechnical Commission (IEC.) standards, the use of the most advanced design ideas and methods, first-class technology, high-quality electrical materials, low noise bearings the motor greatly reduce noise, therefore, particularly suitable for supporting the use of the air conditioning blower. Conditions of Use: 1, altitude not exceeding 1000m. 2, Ambient temperature: -15 ~ 40 ℃ 3, work: continuous duty (S1) 4, rated voltage 380V, rated frequency 50Hz, rated voltage range allows ± 5%, the nominal frequency range ± 1% allowed . 5, the motor enclosure protection rating of IP44 (see GB / T4942.1). 6, the motor cooling method is IC411 (see GB / T1993). 7. Connection: 3KW and below the Y connection, 4KW and above △ connection. More products please visit: http: //www.dghqmotor.com/