One time moulding industrial centrifugal fan, exhaust fan:
Motor Structure: External rotor motor Φ 72mm.
Safety: Thermally protected.
Operation system: Dual high precision ball bearings.
Dielectric withstand voltage: AC 1800V, at 0.5mA, 50/60Hz.
Allowable ambient temperature and humidity range: (under unconcretionary state) -25 degree centigrade ~+65 degree centigrade (temperature) 10%~80%(humidity).
Insulation system: Designed according to Class F of IEC61858 standard.
Protection class: IP44
Unit weight: 0.66kg.
Impeller: Monobloc fan blade of 7 blades is finished by disposable PA Nylon injection moulding.
Bearing: Maintain-free NSK ball bearing.
Connection way: By UL3266 18# wire.
Inlet ring (accessary): Punching of 1mm zinc sheet.
Capacitor life: A class.
Lifetime of motor: 60000hours at 25degree centigrade.
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