Basic specification of pole shaded AC fan
Motor structure: poles of AC motor are shaded.
Outer enclosure: high quality Al alloy, anti-corrosive and anti damping structure.
Fan blade: plastic sprayed, formed in a procedure, UL94V0 70% P.B.T.+30% F.R.P
Bearing structure: Oil filled bearing or ball bearing
Insulation level: B class
Insulation resistance: more than 100MΩbetween outer enclosure and windings applied with 500VDC.
Dielectric strength: 0.5mA 1500V/AC min
Safe protection: Resistance protection
Working temperature: oil filled type: -10ºC~+45ºC ,
Ball bearing: -20ºC~+70ºC
Storage temperature:-40ºC~+70ºC
ModelBearing SystemRated Voltage (V)Freg (Hz)Current (A)Input Power (W)Speed (Rpm)Air Flow (CMM)Air Flow (CFM)Static Pressure (Inch-H2O)Noise Level (dB-A)Weight (g)SF-12038HSL-1Sleeve110/12050/600.25/0.2325/202500/27502.38/2.6984.0/95.06.0/7.440/45520SF-12038HSL-2Sleeve220/24050/600.14/0.1218/172500/27502.38/2.6984.0/95.06.0/7.440/45520SF-12038HSL-3Sleeve38050/600.14/0.1218/172500/27502.38/2.6984.0/95.06.0/7.440/45520SF-12038HBL-1Ball110/12050/600.25/0.2325/202500/27502.38/2.6984.0/95.06.0/7.440/45520SF-12038HBL-2Ball220/24050/600.14/0.1218/172500/27502.38/2.6984.0/95.06.0/7.440/45520SF-12038HBL-3Ball38050/600.14/0.1218/172500/27502.38/2.6984.0/95.06.0/7.440/45520