190mm 230V Variable Speed Control Ec Centrifugal Fan with Backward Curved Impeller

190mm 230V Variable Speed Control Ec Centrifugal Fan with Backward Curved Impeller. EC Brushless Motor: Features an EC brushless external rotor motor for high efficiency and reliability. Variable Speed Control: Supports 0-10VDC and PWM speed control for flexible operation. Robust Impeller Material: Impeller made of PA Plastic reinforced with Glass Fiber for durability. Comprehensive Protection: Includes locked-rotor, reverse polarity, thermal protection, and soft start. IP44 Protection Rating: Provides protection against solid objects larger than 1mm and water splashes. Multiple Certifications: Certified with RoHS, ISO, and CE standards for global compliance. OEM/ODM Services: Offers both OEM and ODM customization services for specific needs.