DONGGUAN XINGDONG ELECTRONICS CO., LTD.
Add: NO.2, Dagao Hengfeng 2nd Road, Changping Town, Dongguan, Guangdong, China
Tel:+86-769-83660708
Fax:+86-769-83660718
Email:info@d-fan.com.cn
URL://www.209237.com/eng/
1. "220V AC Cooling Fan" dielectric strength
In 5mA leakage current for 60 seconds, AC500V conditions DC fan frame with the wire without exception, prove good insulation.
2. Insulation Resistance
Under the conditions of 500V DC, frame and wire cathode resistor less than 10MΩ.
3. "220V AC Cooling Fan" polarity protection
Under normal conditions, the voltage, reverse power if the DC fan power for 15 minutes, re-connect the normal poles, all functions normally after a power failure.
4. "220V AC Cooling Fan" free fall
Monomer fell by 600mm height 30mm thick planks on the fan 6 surfaces either side and both corner withstand drop test, and confirmed that no damage.
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