Negative-pressure fan
HuaDa Motors employs core permanent-magnet variable-frequency technology, which is more efficient and energy-saving. It intelligently adjusts its operating frequency according to environmental demands. The power-saving rate can consistently remain above 25%. With an IP55 protection rating and an insulation class of H, the motor can operate normally within a temperature range of -35° to 65°. Its soft-start feature ensures greater safety; multiple units can be started simultaneously without impacting the power grid’s load. Equipped with built-in intelligent chips for overload and overheating protection, it proactively prevents accidents and effectively extends the motor’s service life.
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No. 168, Tianban Industrial Zone, Xibin Town, Fu’an City, Fujian Province, China.
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