100-180W External Rotor Brushless Motor for Fresh Air System 180° Sine Wave Drive IP44 Protection

External rotor brushless motor specially designed for fresh air systems, with efficiency increased to 77% compared to traditional internal rotor motors, featuring stronger output and lower operating noise. Compact structure fits ultra-thin fans, ball bearing design supports both horizontal and vertical installation, meeting diverse equipment layout needs. Wide temperature operation from -25~60℃ and IP20-IP44 protection adapt to different usage environments with better stability.

Adopts integrated Hall-less solution, with drive and power supply built into the motor tail, starting with AC voltage input. Supports 0-10V analog speed regulation, PWM signal speed regulation, and customizable serial communication for centralized control. Built-in phase current, short-circuit and overheat triple protection, Class B insulation, power ranging from 100-180W and speed 1800-2850r/min, accurately matching the needs of fresh air systems with different air volumes.

Perfect for home ventilation units, air exchangers, and smart fresh air purifiers. Its low noise, efficient airflow, and flexible speed control meet daily indoor air quality improvement needs.

Suitable for office buildings, shopping malls, and hotel central ventilation systems. Compact structure and reliable protections adapt to long-term continuous operation in commercial spaces.

Ideal for factory workshops, clean rooms, and industrial air purification equipment. Wide temperature adaptability (-25~60℃) and IP44 protection resist harsh industrial environments.