220mm Variable Speed Ec Motor 95W Backward Centrifugal Fan for Ventilation System

220mm Variable Speed Ec Motor 95W Backward Centrifugal Fan for Ventilation System. EC Brushless Motor: High-efficiency EC brushless external rotor motor with locked-rotor and thermal protection. Precise Speed Control: Supports 0-10VDC and PWM speed control for flexible ventilation management. Durable Material: Impeller made of PA Plastic + Glass Fiber for strength and corrosion resistance. Safety Certifications: Certified with RoHS, ISO, and CE standards for quality and safety assurance. OEM/ODM Support: Customization services available including fan type, motor type, and protection level. Low Noise Operation: Designed for quiet performance with a noise level of only 71 dBA. IP44 Protection: Rated IP44 protection type ensuring reliable operation in various environments.