Frame Aluminum die-casting, surface is finished by anti-corrosion treatment with primary color or black electrophoresis anti-corrosion treatment Impeller Metal impellers are welded to motor rotor, and surface is finished by black electrophoresis anti-corrosion treatment Operation Temperature/Humidity Temperature -30ºC ~ +75ºC Humidity 0% ~ 95% Protection Motor Internal with automatic recovery thermal protector Withstand Voltage AC 1,800V , 1 min at 0.5mA, 50/60 Hz Insulation System Design according to IEC61858 Grade F, Protection Grade IP44
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