Using green EC technology, compact design, high efficiency, low noise and low price from 4W to 23W, 600 to 2300 for choice. 1. Available in output power up to 1/30HP (25Watt) single/variable speed (50-60Hz)2. Efficiency rate of up to 70% - results in cooler motor operation3. Thermoplastic motor housing, Class IP65 certified4. Maintenance-free ball bearing and service free lubricating system5. ...