Product Name: High Speed Electric 350W/550W Airflow BLDC Motor with Controller for Vacuum Pump Model NO.: BLW130718-01-CTL-01 Brand: OEM Certification: ISO9001, CCC, Ce Type: PMDC Motor Structure and Working Principle: Brush Number of Poles: 4 Casing Protection: Closed Type Function: Driving Excitation Mode: Excited Operating Speed: Adjust Speed Application: Universal, Industrial, Household Appliances, Car, Power Tools Usage: Fan, Home Appliance Construction: Permanent Magnet Commutation: Brush Operating Voltage: AC 220V/50-60Hz Speed Rated: 2000-20000rpm Input Power: 10-1000W Control Mode: Sensor Speed Open