DC COOLING FAN 17251
ROUND FRAME
172x172x51 mm

Bi-Sonic

• Construction:
  - Die-cast aluminum housing
  - Glass fiber reinforced plastic: impeller and housing PBT are UL 94V-0 rating
• Operating temperature:
  - Ball bearing -30 °C to +75 °C
  - Sleeve bearing -10 °C to +70 °C
• Insulation Resistance: 10 meg Ohm min. at 500 VDC
  (between frame and terminal)
• Dielectric Strength: 5 mA max. at 500 VAC 60Hz one minute
  (between frame and terminal)
• Function: auto-restart, frequency generator or rotation detection signal option
• Weight: 730 grams

Model No.	Bearing	Rated Voltage	Operating Voltage Range	Rated Current	Rated Input Power	Speed	Max. Air Flow		Max. Air Pressure		Noise
		VDC	V	A	W	R.P.M.	m3/min	CFM	mmH2O	IN H2O	dB-A
BP1725124H	Ball	24	12-27.6	0.8	19.2	3400	6.65	235.1	16.9	0.66	59.6
BP1725124M	Ball	24	12-27.6	0.6	14.4	2900	5.69	201.8	13.9	0.54	55.8
BP1725124L	Ball	24	12-27.6	0.45	10.8	2400	5.04	159.7	9.6	0.38	51
BP1725148H	Ball	48	25-60	0.4	19.2	3400	6.65	235.1	16.9	0.66	59.6
BP1725148M	Ball	48	25-60	0.35	16.8	2900	5.69	201.8	13.9	0.54	55.8
BP1725148L	Ball	48	25-60	0.25	12	2400	5.04	159.7	9.6	0.38	51

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Dimensions (mm)

Performance Curve