310mm Ec High Pressure Backward Curved Centrifugal Exhaust Fan for Ventilation System

310mm Ec High Pressure Backward Curved Centrifugal Exhaust Fan for Ventilation System. EC Brushless Motor: Features an EC brushless external rotor motor for high efficiency and reliability. Wide Speed Control: Supports 0-10VDC and PWM speed control for precise airflow management. Robust Protection: Includes locked-rotor, reverse polarity, thermal protection, and soft start functions. Durable Aluminum Impeller: Constructed with a 310mm aluminum impeller for corrosion resistance and strength. IP44 Protection Rating: Offers solid protection against solid objects and water splashes for versatile use. Multiple Certifications: Certified with RoHS, ISO, and CE standards for quality and safety assurance. OEM/ODM Services: Customization services available including OEM and ODM options for specific needs.