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

Model	Bearing System	Rated 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-8025MSL-1	Sleeve	110/120	50/60	0.14/0.13	15/11	2300/2700	0.45/0.56	16.0/20.0	1.82/2.80	22/23	190
SF-8025MSL-2	Sleeve	220/240	50/60	0.08/0.07	15/11	2300/2700	0.45/0.56	16.0/20.0	1.82/2.80	22/23	190
SF-8025MSL-3	Sleeve	380	50/60	0.05/0.04	15/11	2300/2700	0.45/0.56	16.0/20.0	1.82/2.80	22/23	190
SF-8025MBL-1	Ball	110/120	50/60	0.14/0.13	15/11	2300/2700	0.45/0.56	16.0/20.0	1.82/2.80	22/23	190
SF-8025MBL-2	Ball	220/240	50/60	0.08/0.07	15/11	2300/2700	0.45/0.56	16.0/20.0	1.82/2.80	22/23	190
SF-8025MBL-3	Ball	380	50/60	0.05/0.04	15/11	2300/2700	0.45/0.56	16.0/20.0	1.82/2.80	22/23	190