... 2.Low noise,slight vibration. 3.Aluminum frame,end shields and base 4.Low price,high quality. quick start quick delivey high ... IP55 enclosures, IP54 on request.2. Aluminum frame, end shields and base.3. High strength cable gland.4. Superior paint finish.5 ... . High performance and effciency.Customer Benefits:1. Water, dust and vermin resistant.2. Quiet operation.3. Electricity ...