• Motor Structure: Shaded Pole motor, with impedance protection
• Blades: Made by injection mould with black plastic PBT+30% glass fiber + VO class of anti-flaming liquid.
• Frame material: Die-casting Aluminum Alloy
• Bearing Type: Maintain-free NMB bearing/sleeve bearing
• Insulation Isolation Grade: B          Protection Grade: IP 54
• Dielectric Withstand Voltage: AC 1800V, at 0.5mA, 50/60Hz
• Allowable Ambient Temperature: -20 to +60 Centigrade degree (ball bearing)

(Under unconcretionary)               -10 to +45 Centigrade degree (sleeve bearing)

• Noise Lever: 25.6-32.5dB at normal operation
• Life: 30,000 hours
• Connection way: UL1015 wire connection
• Packing: 60pcs/carton
• Unit weight: 225g