1.IE34-1 standards. 2.Low noise,slight vibration. 3.Aluminum frame,end shields and base 4.Low price,high quality. 0.09KW--1 ... . Cooling Method: ICO141Features:1. Utilize IP55 enclosures, IP54 on request.2. Aluminum frame, end shields and base.3. High strength ... paint finish.5. High performance and effciency.Customer Benefits:1. Water, dust and vermin resistant.2. Quiet operation.3. Electricity saving ...