CHINA FACTORY DBF2-5Q8 LOW NOISE TRANSFORMER FAN, TRANSFORMER FAN (WITH SENSOR), AXIAL FAN, TRANSFORMER FAN

Product name : CHINA FACTORY DBF2-5Q8 LOW NOISE TRANSFORMER FAN, TRANSFORMER FAN (WITH SENSOR), AXIAL FAN, TRANSFORMER FAN

Product No. : 202261492447

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1. Product Overview

DBF2 series low noise transformer fan, suitable for radiator cooling system of transformer. It is designed and manufactured according to JB /T9642-2013 "Transformer Fan" and other standards, and has the characteristics of low noise, stable performance, high efficiency, reliable operation and long life.

DBF2 series low-noise transformer fans are matched with DBF series low-noise transformer fans . The motoradopts pure copper andIP55 protection grademotor, and theimpeller adopts rivetedaluminum plateimpeller, whichis suitable for outdoor use.

This series of products has a complete range of specifications, covering φ350～φ1200 fan diameter, flow rate 3100m 3 /h～30000 m 3 /h, full pressure 30Pa～230Pa, noise 50dB(A)～75dB(A) products of various specifications, widely applicable It is suitable for the matching use of transformer radiators and coolers.

2. Model description

2.1 Model meaning

2.2 The meaning of the code name

code	blowing direction		Environment code
Q	H	W	TH	TA
meaning	Forward blowing (air flows from the motor to the impeller)	Back blow (air flows from the impeller to the motor)	General area (omitted)	wet tropics	dry tropical

3. Environmental conditions

3.1 Ambient air temperature: -40℃～75℃

3.2 Relative humidity of the air: The average relative humidity of the wet month is less than 95%, and the monthly average temperature of the month is not lower than 25℃.

3.3 The altitude does not exceed 1000m (when it exceeds 1000m, the temperature rise of the motor should be corrected according to the standard).

3.4 Solar radiation intensity: less than 0.98KW/m 2 .

3.5 Rainfall intensity: less than 50mm/10min.

3.6 Sand, ice, snow, frost, dew: yes.

3.7 The motor adopts H -class insulation. When the altitude does not exceed 1000m, the ambient air temperature does not exceed 75℃, the temperature limit of its stator winding (resistance method) does not exceed 45K, and the allowable bearing temperature (thermometer method) does not exceed 95℃.

3.8 Using low-noise bearings, under normal conditions of use, it can withstand the rated load and run continuously, its service life is 5 years, and it can ensure that the safe running time is not less than 5 years before the first overhaul

DBF2-5Q8 Transformer Fan Product Model and Technical Parameters

model	Diameter of impeller mm	Voltage v	frequency Hz	Rotating speed r/min	Air volume m3/h	Full pressure Pa	current A	power kW	noise dB(A)
DBF2-5Q8	500	380	50	720	6240 5550 6100	100 56 82	1.06 1.0	0.25	58

5 Schedule VI : DBF2-5Q8 Transformer Fan Installation Dimensions

model	D	D1	D2	D3	K	L1	L
DBF2-5Q8	φ500	φ514	φ550 φ5 65	φ584	4-φ14.5	350	390