
225mm Motorized Impeller Low Noise Ec Centrifugal Plug Fan for Air Conditioners. EC Brushless Motor: Features an EC brushless external rotor motor for high efficiency and reliability. Low Noise Operation: Designed for quiet performance with a noise level of 66 dBA. IP44 Protection: Offers IP44 protection rating against solid objects and water splashes. Wide Temperature Range: Operates effectively in ambient temperatures from -25 to +60 degrees Celsius. Multiple Speed Control: Supports 0-10VDC and PWM speed control methods for flexible operation. Comprehensive Safety: Includes locked-rotor, reverse polarity, thermal protection, and soft start features. Durable Materials: Impeller made of PA plastic with glass fiber; bracket constructed from iron. Global Certifications: Certified with RoHS, ISO, and CE standards for international compliance.