
Ywf 4D-500s 380V Three Phase Sucking Axial Fan Wholesale. High Efficiency & Low Noise: Compact structure with reliable operation, low noise, energy saving, and high efficiency. Class F Insulation: Motor insulation is Class F with built-in thermal protector for safety. Long Service Life: Motor service life exceeds 30,000 hours for durable performance. Wide Voltage Range: Supports specified voltages from 220V to 440V and frequencies 50/60Hz. Multiple Temperature Types: Available in High, Conventional, and Low Temperature types based on requirements. Comprehensive Certifications: All motors passed CCC and CE approvals; product certified by RoHS, ISO, CE, CCC. Versatile Mounting: Designed as a wall fan with convenient installation and compact structure. Flexible Wiring Options: Motor adopts junction box type or lead configuration for easy connection.