DC Fans

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Rated Voltage(V)

Size(mm)

80*80*38 92*92*38 92*92*25 40*40*10 120*120*38 40*40*28 120*120*32 50*50*15 60*60*15 60*60*25 70*70*15 80*80*25 120x120x38 40*40*20 120*120*25 40*40*15 70*70*25 70*70*20 40x40x28 60×60×25 30*30*10 80*80*15 60*60*10 120×120×38 60x60x10 80×80×25 80×80×38 80x80x38 60x60x15 50x50x10 80x80x15 60x60x38 50*50*10 25*25*10 40x40x20 20*20*8 20*20*10 35*35*10 30*30*6 60x60x25mm 120x120x38mm 17*17*8 25*25*6 50x50x15mm 80*80*20 60*60*20 92x92x25mm 40*40*6 40x40x28mm 80x80x25 80x80x25mm 45*45*10 97x94x33mm 25*25*15 75x75x30mm Ø86x30.4mm 92x92x38mm 70x70x20mm 80x80x38mm 60x60x20mm 35*35*6 120x120x25mm 40x40x20mm 50x50x10mm 70x70x25mm 70x70x15mm 80x80x15mm 50x50x20mm 40x40x10mm 60x60x38mm 80x80x20mm 30x30x10mm 30x30x10 35x35x10mm 97x95x33mm 30x30x6mm 35x35x10 80x80x80mm 20x20x6mm 60x60x15mm 30 92x92x25 97*33 60x60x25 120x120x25 30x30x15mm 20x20x10mm 97.2 *94.4*33 45x45x10mm 40x40x56mm 20x20x10 25x25x6mm 300x300x6mm 25x25x6.5 20x20x8mm 40x40x10 25x25x10mm 25x25x15mm 35x35x6mm 40x40x6mm 60x60x10mm 80x80x32mm 40x40x56 97x97x33mm 36x36x28mm 38x38x28mm 60x60x56mm 60x60x76mm 140x140x38mm 140x140x51mm 90*90*25 60x60x56 38x38x56mm 43x43x56 60x60x76 80x80x56 80x80x76 80x80x80 80x80x86 92x92x38 140x140x38 140x140x51 40×40×20 60×60×20 40×40×6 80×80×15

Max.Air Flow(m³/h)

2 24 138 158 27 40 46 190 102 53 55 28 420 68 51 17 34.5 30.4 8.7 16 7.3 36 37 322.8 22.8 38.6 93.6 51.8 22.1 25 82.2 96.05 30.6 9.18 16.3 7.7 13.8 40.63 60 3.8 41 5.4 12.7 26.4 5.5 23.5 8 127.5 116 3.5 18.3 84 84.1 120.2 1.6 18.6 69.7 9.9 1.9 10.8 13 7.2 108.2 4.9 61.2 8.9 0.9 3 7 75 51.5 23 16.83 93 10.2 0.7 127.4 6.3 33 11 5.9 18.5 7.82 150 26.18 28.05 9.35 120 12.24 62.4 234.5 42.3 20.74 56.1 96.8 53.5 5.1 18.7 61.03 13.6 93.4 6.5 90.1 5.27 23.8 23.4 64.09 6.12 197.2 62.9 18.36 204.2 39.9 142.9 7.31 10.71 45.9 32.3 87.5 26.35 9.2 7.6 103 49.3 11.9 142.8 11.05 101.9 15.1 9.3 30.77 234.6 257.55 92.9 31.6 6.1 0.5 9.7 47.7 27.7 234.09 73.1 183.8 76.5 32.8 8.2 43.3 67.1 28.9 110.4 90 2.5 83.3 23.2 17.34 24.6 23.46 27.2 36.21 12.2 158.1 67.2 51.85 20 203.9 35.8 53.9 29.9 18.1 42.84 126.6 38.7 51.6 13.1 44.9 4.4 21.1 4.2 3.7 2.2 11.8 2.7 3.2 5.3 8.3 7.8 4.8 4.6 10.7 16.8 14.3 17.3 24.3 20.7 10.5 39.1 46.4 39.2 32.5 57.1 18 33.3 34.7 30.1 31.1 40.6 41.8 36.2 30.9 82.9 62 65.1 45.7 46.6 93.1 100.9 95 85.5 177.5 182.3 225.8 226 118.9 246.9 293.8 109.2 75.14 26.2 53.2 30.8 28.7 25.3 19.2 21.7 127.8 96 70.3 99.4 123.9 99.7 124.4 26.3 193.5 241.1 179.8 228.2 207.3 257.4 155.8 309.9 75.1 405.2 506.1 480.1 425.3 21.6 48.3 183.9 234 197.1 23.6 39.93 183.6 72.25 70.89 31.45 39.95 288.8 142.97 180.6 70.5 204.34 254.9 140 33.5 42.5 125.2 115.2 32.1 41.1 43.5 91.9 31.3 36.9 39.3 31 46.39 31.7 34.8 31.5 33.6 34.6 37.3 41.3 47.4 52.8 75.2 67.8 77 71.8 72.9 80.5 69.9 82.64 92.8 95.9 106.2 102.2 118.1 73.2 81.7 70.33 141.9 134.3 132.4 148.6 86.4 94.8 130.4 139 163.5 174.7 169.6 132.48 151.5 168.6 211.2 201.9 187.7 199.89 203.2 191.8 201.7 211.8 166.3 218.4 161.7 202.5 212.1 163.7 171.7 301.7 250.3 87.55 61.16 15.12 46.72 254.85 31.62 62.86 126.58 177.48 90.05 241.23

Max.Pressure(Pa)

40 690 127 196.8 142 47.3 6.8 12.5 11 72.2 134.5 161.9 42.3 87.2 99.6 27.4 34.9 89.7 510.6 983.9 44.8 52.3 107.1 176.9 241.6 22.4 184.3 54.8 79.7 62.3 17.4 102.1 164.4 166.9 288.9 572.9 29.9 59.8 49.8 1300.2 24.9 485.7 32.4 19.9 1355 77.2 7.5 37.4 12.4 89.6 69.7 57.3 39.9 67.3 74.7 37.3 14.9 159.4 229.2 936.6 109.6 10 114.6 82.2 343.7 351.2 276.5 281.5 181.8 500.7 515.6 301.4 306.4 186.8 104.6 94.7 358.7 284 448.4 438.4 298.9 430.9 844.4 194.3 777.2 403.5 635.2 383.6 323.8 256.6 154.4 562.9 149.5 657.6 139.5 124.5 889.3 318.8 171.9 585.4 856.9 632.7 986.4 667.6 871.8 612.8 834.5 911.7 179.3 732.3 468.3 356.2 64.8 132 1036.2 1541.9 1.84 1205.6 622.7 886.8 1145.8 1053.7 3.12 3.25 4.17 4.48 6.39 5.83 6.66 9.9 3.6 3.76 4.31 3.77 6.19 8.7 7.6 7.46 8.81 8.2 8.49 7.2 15.34 10.07 16.2 11.5 3.57 4.84 7.1 3.44 6.15 10.42 9.05 9.31 10.59 7.06 12.97 12.39 12.46 3.96 13.22 3.5 3.35 5.88 6.32 5.34 8.41 9.57 9.68 9.96 10.53 9.49 10.98 5.44 6.9 7.37 7.4 8.53 10.93 10.44 8.59 10.26 10.63 11.53 9.27 7.22 8.82 7.15 10.18 11.05 2.4 5.58 1.43 134.51 52.31 69.74 24.91 154.44 42.35 141.98 74.73

Input Power(W)

12 0.7 0.2 6.5 1.8 2.3 120 30 5 1 0.8 0.9 2.4 3.6 6.9 3.1 4.8 5.7 4.4 5.8 8.6 4.1 5.4 18 10 2 2.9 0.35 1.6 1.1 3 2.6 2.1 1.7 48 36 1.5 6 4.3 0.62 20.4 3.5 21.6 4.6 1.2 7.2 90 9 27 42 240 8000 60 243 9.6 102 33 5.6 72 1.44 2.64 9.12 2.88 2.16 3.84 4.2 5.28 4.08 1.92 0.96 12.6 3.36 0.84 0.24 28.8 4.56 2.52 27.6 74.4 1.08 0.65 0.72 5.04 7.56 19.2 14.4 11.52 3.96 3.24 4.32 1.68 1.56 2.04 10.3 0.43 1.42 0.68 0.54 0.87 3.72 0.36 2.02 0.92 0.83 2.21 4.92 0.58 12.2 11.8 1.4 1.17 0.88 1.06 0.78 0.69 0.61 1.25 18.2 0.79 0.81 0.51 0.59 1.9 0.42 1.11 1.36 9.2 0.48 0.63 0.5 1.58 0.45 0.6 2.28 2.19 6.7 4.49 1.96 9.7 3.75 6.12 0.56 3.99 13.68 1.76 0.64 9.1 0.38 1.12 6.96 9.8 0.49 3.29 5.5 0.82 1.71 57.56 3.66 0.4 1.38 0.34 1.86 0.93 0.86 2.34 57.96 0.44 3.4 1.32 0.57 1.52 2.76 1.49 1.28 0.99 3.83 0.89 4.7 0.66 0.47 22.2 81.6 0.74 1.66 0.1 1.98 1.13 0.3 1.14 1.05 1.3 3.42 3.57 0.13 2.7 1.59 12.5 0.53 3.7 1.74 1.01 4.44 16.68 0.77 1.26 1.54 3.54 2.22 1.53 0.41 0.94 1.03 0.23 1.64 0.33 0.21 0.18 0.39 0.75 0.46 4.72 1.62 2.09 14600 13100 10500 17600 9.72 11500 9000 6450 13.08 12900 3.06 20.64 39.12 10000 7200 40.8 11.4 10.44 3.78 3.18 6.84 1.16 8.88 10.68 2.58 2.57 2.14 3.22 3.03 1.95 13.2 27.12 16.8 33.6 10.23 6.87 18.24 3.3 3.48 11.22 5.82 50.4 39.6 35.52 22.56 0.27 5.1 3.8 9.19 1.47 1.02 1.78 4.26 2.94 4.68 13.7 5.3 8.5 61.2 33.12 22.8 12.72 22.08 13.8 17.04 28.2 43.7 34.56 36.6 49.8 37.2 52.8 73.2 56.4 82.8 57.6 26.4 68.6 112.8 148.5 128.4 126 129.6 99.9 180.9 156 64.8 100.8

Speed(rpm)

2800 2700 3100 6500 12000 6000 13000 3000 6100 11000 6800 7500 8400 5000 3200 5400 10300 4400 2300 3300 2900 2400 4300 2600 1700 3900 5100 5600 2500 4100 3400 8200 7000 5500 5300 9200 4000 14000 4200 3600 6200 10500 1600 4700 9500 4800 2000 2100 2200 5700 3500 7200 6400 3800 9000 6600 4600 3700 8000 7600 4500 20000 5200 23000 10000 16000 8300 15000 5800 11500 4900 16500 9100 6900 21000 8500 8600 17600 27000 9800 13200 7100 9300 15600 9600 7300 4650 4350 14600 13100 500 6450 12900 18000/21500 22000 7400 11200 18400 10800 22800 21600 29300 18300 28600 33000 36000 37000 21500/18000 23300/20300 24000 25500/23000 30500/28000 30000/27200 29700/25000 32000/27000 29800/27900 30600/28700 30000/27000 38000/34600 34000/30500 40000/38000 30000/30000 16800 20800 26200 15300/14300 19200/19200 21600/20800 21300/18400 23000/22000 25700/24600 22000/20500 24600/24200 24800/23900 18200/14700 21000/21700 26000/26200 17000 15200/15600 12700/10900 17000/14500 18000/15400 18300/15700 19000/16000 17500/16000 18500/16000 17000/17000 15600/14100 15400/13600 17000/14600 16500/13500 15800/13600 17700/16200 16500/15500 15800/14200 17500/15500 16200/14200 16500/15700 17000/16000 15700/14600 17500/15200 17000/15000 15400 11600 14700

Noise(db)

80 74 51 39 44 57 45 43 50 42 46 41 47 35 28 65 75 58 37 32 34 30 26 67 86 56 62 54 81 72 36 85 38 44.5 32.5 54.5 41.5 40.5 47.5 58.5 48 37.5 28.5 42.5 27 36.5 33 27.5 31.5 70.8 25 24.5 62.5 45.5 20.5 31 15.7 21 30.7 20.4 44.7 42.2 14.5 34.2 23 34.7 27.3 46.1 55.2 57.6 36.2 31.2 38.1 31.4 29 29.2 23.6 25.5 21.5 24.8 20.6 12.3 15.4 33.5 20.1 14.2 16.5 36.8 33.1 25.3 25.6 20 43.9 29.6 63.7 16 34.5 185 53.8 21.8 38.6 12 17.5 26.5 18.3 29.3 36.9 34.8 48.7 61.2 45.8 28.2 17.7 62.9 80.4 63.2 4.2 32.9 39.6 22 19 10.7 24.9 16.7 55.8 65.9 21.3 40.2 51.6 23.4 10.2 18 8.8 4.8 11.3 4.5 9.8 7.8 13.1 26.1 22.4 32.6 23.2 32.8 37.7 20.7 29.9 17.1 52.8 51.7 46.8 58.1 29.8 53.2 52.7 47.2 48.9 41.7 55.4 45.2 43.1 41.1 59.7 59.6 65.2 64.3 60.6 66.8 41.6 55.7 61.9 51.8 47.3 40.8 39.9 62.3 40.7 71.7 62.8 68.6 63.4 51.5 69.1 62.6 67.5 75.1 41.8 43.7 54.7 49.5 70.2 68.3 61.4 15.1 28.8 3.3 33.7 16.2 36.1 43.2 50.3 56.9 79.1 64.1 61.6 58.6 60.9 63.8 71.8 68.7 70.1 69.9 TBD 69.4 69.5 73.1 76.1 73.3 85.5 72.6 69.7 80.2 78.6 78.3 76.6 81.3 83.1 87.6 71.1 74.1 77.3 TBC 83.8 87.2 78.8 84.6 80.5 83.4 85.2 85.4 81.9 87.3 81.1 59.1

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Mfr Part #	Rated Voltage(V)	Size(mm)	Max.Air Flow(m³/h)	Max.Pressure(Pa)	Input Power(W)	Speed(rpm)	Noise(db)

XG80804BX-1Q010-S9T \| SUNON 54V 129.6W 80x80x80mm 193.5m3/h DC Axial Fan for Industrial Cooling Designed for servers and data-center electronics, SUNON XG80804BX-1Q010-S9T is a 54 VDC DC blower in a 80 × 80 × 80 mm frame. The supplied data list 85.4 dB, an important acoustic selection parameter. Treat the airflow profile as a primary input to system commissioning. Verify bearing and signal options in the exact datasheet.	54	80x80x80	193.5	9.27	129.6	16200/14200	85.4
XG80804BX-1Q110-S9T \| SUNON 54V 80x80x80mm 211.8m3/h DC Axial Fan for Industrial Cooling Within servers and data-center electronics, SUNON XG80804BX-1Q110-S9T serves as a 80 × 80 × 80 mm DC blower operating at 54 VDC. The supplied data list 87.6 dB, an important acoustic selection parameter. Base technical purchasing on the stated application data. Request the exact performance curve for final engineering signoff.	54	80x80x80	211.8	11.53	-	17500/15500	87.6
XG80804BX-1Q080-S9T \| SUNON 54V 80x80x80mm 204.2m3/h DC Axial Fan for Industrial Cooling The 80 × 80 × 80 mm XG80804BX-1Q080-S9T brings 54 VDC DC blower cooling to servers and data-center electronics. The supplied data list 86 dB, an important acoustic selection parameter. During technical purchasing, compare the model's technical profile. Request the exact performance curve for final engineering signoff.	54	80x80x80	204.2	10.63	-	17500/15500	86
XG80804BX-1Q013-S9W \| SUNON 54V 80x80x80mm 201.7m3/h DC Axial Fan for Industrial Cooling The XG80804BX-1Q013-S9W is SUNON's 54 VDC, 80 × 80 × 80 mm DC blower option for servers and data-center electronics. The supplied data list 86 dB, an important acoustic selection parameter. The recorded model record should guide technical purchasing. Request the exact performance curve for final engineering signoff.	54	80x80x80	201.7	10.26	-	16500/15500	86
XG80801BX-1Q023-S9T \| SUNON 12V 80x80x80mm 191.8m3/h DC Axial Fan for Industrial Cooling XG80801BX-1Q023-S9T addresses servers and data-center electronics through a 12 VDC DC blower platform measuring 80 × 80 × 80 mm. The supplied data list 85.2 dB, an important acoustic selection parameter. For technical purchasing, start with the supplied product configuration. Request the exact performance curve for final engineering signoff.	12	80x80x80	191.8	8.59	-	15800/14200	85.2
XG80801BX-1Q061-S9T \| SUNON 12V 80x80x80mm 203.2m3/h DC Axial Fan for Industrial Cooling SUNON XG80801BX-1Q061-S9T combines a 80 × 80 × 80 mm DC blower platform with a 12 VDC rating for servers and data-center electronics. Up to 203.2 m³/h is its most prominent listed performance figure. Use the documented system interface when planning technical purchasing. Request the exact performance curve for final engineering signoff.	12	80x80x80	203.2	10.44	-	16500/15500	TBC
XG80801BX-1Q110-S9T \| SUNON 12V 80x80x80mm 199.89m3/h DC Axial Fan for Industrial Cooling Used in servers and data-center electronics, SUNON XG80801BX-1Q110-S9T is a 12 VDC DC blower in a 80 × 80 × 80 mm frame. Up to 199.89 m³/h is its most prominent listed performance figure. Review its cooling specification during technical purchasing. Request the exact performance curve for final engineering signoff.	12	80x80x80	199.89	10.93	-	17700/16200	TBC
XG80801BX-1Q030-S9T \| SUNON 12V 126W 80x80x80mm 187.7m3/h DC Axial Fan for Industrial Cooling Within servers and data-center electronics, SUNON XG80801BX-1Q030-S9T serves as a 80 × 80 × 80 mm DC blower operating at 12 VDC. The supplied data list 83.4 dB, an important acoustic selection parameter. Treat the duty-point values as a primary input to technical purchasing. Request the exact performance curve for final engineering signoff.	12	80x80x80	187.7	8.53	126	15800/13600	83.4
VG80801BX-1Q014-S9H \| SUNON 12V 128.4W 80x80x80mm 201.9m3/h DC Axial Fan for Data Center Cooling The 12 VDC SUNON VG80801BX-1Q014-S9H is a DC blower sized 80 × 80 × 80 mm for servers and data-center electronics. The supplied data list 80.5 dB, an important acoustic selection parameter. Base technical purchasing on the stated installation footprint. Request the exact performance curve for final engineering signoff.	12	80x80x80	201.9	7.4	128.4	16500/13500	80.5
VF80804BX-1Q040-S9H \| SUNON 54V 148.5W 80x80x80mm 211.2m3/h DC Axial Fan for Industrial Cooling The VF80804BX-1Q040-S9H is SUNON's 54 VDC, 80 × 80 × 80 mm DC blower option for servers and data-center electronics. The supplied data list 84.6 dB, an important acoustic selection parameter. During technical purchasing, compare the model's selection parameters. Request the exact performance curve for final engineering signoff.	54	80x80x80	211.2	7.37	148.5	17000/14600	84.6
VF80801BX-Q031-S9H \| SUNON 12V 112.8W 80x80x80mm 168.6m3/h DC Axial Fan for Industrial Cooling For servers and data-center electronics, VF80801BX-Q031-S9H combines 12 VDC operation with a 80 × 80 × 80 mm DC blower design. The supplied data list 80 dB, an important acoustic selection parameter. The recorded rated dataset should guide technical purchasing. Request the exact performance curve for final engineering signoff.	12	80x80x80	168.6	6.9	112.8	15400/13600	80
PF80801BX-0000-S9H \| SUNON 12V 81.6W 80x80x80mm 151.5m3/h DC Axial Fan for Data Center Cooling SUNON PF80801BX-0000-S9H combines a 80 × 80 × 80 mm DC axial fan platform with a 12 VDC rating for servers and data-center electronics. The supplied data list 80.4 dB, an important acoustic selection parameter. For technical purchasing, start with the supplied motor input. Request the exact performance curve for final engineering signoff.	12	80x80x80	151.5	5.44	81.6	15600/14100	80.4
VF80761BX-Q040-S9H \| SUNON 12V 68.6W 80x80x76mm 132.48m3/h DC Axial Fan for Industrial Cooling Applied in servers and data-center electronics, SUNON VF80761BX-Q040-S9H is a 12 VDC DC blower in a 80 × 80 × 76 mm frame. The supplied data list 78.8 dB, an important acoustic selection parameter. Use the documented ventilation capacity when planning technical purchasing. Request the exact performance curve for final engineering signoff.	12	80x80x76	132.48	10.98	68.6	17000/17000	78.8
XG80564BX-1Q010-S9W \| SUNON 51V 102W 80x80x56mm 169.6m3/h DC Axial Fan for Industrial Cooling Within servers and data-center electronics, SUNON XG80564BX-1Q010-S9W serves as a 80 × 80 × 56 mm DC blower operating at 51 VDC. The supplied data list 87.2 dB, an important acoustic selection parameter. Review its equipment fit during technical purchasing. Request the exact performance curve for final engineering signoff.	51	80x80x56	169.6	9.49	102	18500/16000	87.2
XG80561BX-1Q010-S9T \| SUNON 12V 80x80x56mm 155.8m3/h DC Axial Fan for Industrial Cooling Built for servers and data-center electronics, SUNON XG80561BX-1Q010-S9T uses a 80 × 80 × 56 mm DC blower arrangement at 12 VDC. The supplied data list 83.8 dB, an important acoustic selection parameter. Treat the suffix definition as a primary input to technical purchasing. Request the exact performance curve for final engineering signoff.	12	80x80x56	155.8	10.53	-	17500/16000	83.8
XG80561BX-1Q1XX-S9W \| SUNON 12V 80x80x56mm 174.7m3/h DC Axial Fan for Industrial Cooling The XG80561BX-1Q1XX-S9W is SUNON's 12 VDC, 80 × 80 × 56 mm DC blower option for servers and data-center electronics. 9.96 Pa maximum pressure is the standout documented duty-point value. Base technical purchasing on the stated catalog specification. Request the exact performance curve for final engineering signoff.	12	80x80x56	174.7	9.96	-	19000/16000	TBC
XG80561BX-1Q03C-S9T \| SUNON 12V 80x80x56mm 163.5m3/h DC Axial Fan for Industrial Cooling A 80 × 80 × 56 mm frame and 12 VDC rating define XG80561BX-1Q03C-S9T, a DC blower for servers and data-center electronics. 9.68 Pa maximum pressure is the standout documented duty-point value. During technical purchasing, compare the model's thermal-duty record. Request the exact performance curve for final engineering signoff.	12	80x80x56	163.5	9.68	-	18300/15700	TBC
VG80561BX-1Q065-S9H \| SUNON 12V 80x80x56mm 139m3/h DC Axial Fan for Industrial Cooling SUNON VG80561BX-1Q065-S9H combines a 80 × 80 × 56 mm DC blower platform with a 12 VDC rating for servers and data-center electronics. The supplied data list 78.6 dB, an important acoustic selection parameter. The recorded performance curve should guide technical purchasing. Request the exact performance curve for final engineering signoff.	12	80x80x56	139	9.57	-	18000/15400	78.6
VG80561BX-Q140-S9H \| SUNON 12V 48W 80x80x56mm 130.4m3/h DC Axial Fan for Data Center Cooling Positioned for servers and data-center electronics, SUNON VG80561BX-Q140-S9H is a 12 VDC DC blower in a 80 × 80 × 56 mm frame. The supplied data list 77.3 dB, an important acoustic selection parameter. For technical purchasing, start with the supplied mounting size. Request the exact performance curve for final engineering signoff.	12	80x80x56	130.4	8.41	48	17000/14500	77.3
VF80561BX-Q11C-S9H \| SUNON 12V 26.4W 80x80x56mm 94.8m3/h DC Axial Fan for Industrial Cooling Within servers and data-center electronics, SUNON VF80561BX-Q11C-S9H serves as a 80 × 80 × 56 mm DC blower operating at 12 VDC. 3.57 Pa maximum pressure is the standout documented duty-point value. Use the documented supply requirement when planning technical purchasing. Request the exact performance curve for final engineering signoff.	12	80x80x56	94.8	3.57	26.4	12700/10900	70.8

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About DC Fans

How to Select the Right DC Fans

The most reliable way to specify DC Fans is to work from the system, not from the catalog. Measure or calculate the airflow and pressure demand first, add the dimensional limits of the mounting position, and only then shortlist series whose curves cover your operating point with margin.

Electrical matching is the next gate. Confirm the supply voltage — 12 V, 24 V or 48 V DC for compact electronics cooling, 115 V or 230 V AC for equipment and panel cooling — and decide whether you need speed control. EC models accept PWM or 0-10 V signals and report speed through a tachometer output, which makes them the default choice for variable-airflow systems, while AC units remain a cost-effective answer for fixed-speed duty.

Then filter by environment. High ambient temperature, dust or moisture loads dictate the IP rating and bearing choice — ball bearings keep airflow and noise stable over years, while sleeve bearings suit light-duty horizontal mounting. Regulatory needs such as UL, CE and RoHS recognition should be confirmed before the shortlist goes to purchasing, together with a maximum allowed sound pressure level in dBA.

End the process by checking supply, not just specification: confirm current stock, the lead time for follow-up quantities, and obtain datasheets and dimension drawings so the mechanical interface is verified before the PO. Send us your airflow and pressure requirements and our engineers will confirm the best-matched series — 1,061 products are available in this category today.

Typical Applications and Use Cases for DC Fans

The daily work of our sales engineers is built around DC Fans used in data center cooling, refrigeration and cold chain projects, building ventilation, telecom base stations, medical devices and industrial control cabinets — environments where a stopped fan is a stopped business process. That daily exposure to real installations is exactly what we bring back into every selection: not just reading curves, but knowing which models survive dust, heat, continuous duty and restricted service access.

A typical case: an equipment builder needed to replace an aging AC fan inside a control cabinet that could not be taken offline for more than an hour. By cross-referencing the frame dimensions, voltage and airflow curve, we supplied a current-series drop-in replacement with a matching tachometer signal, and the swap was completed during a scheduled maintenance window.

Refrigeration and cold chain customers bring us another pattern: the failed condenser fan is unavailable for weeks. Comparing diameter, speed, bearings and IP rating, we supply a functionally equivalent unit from stock so the system returns to duty the same week — the reason many service companies keep our contact number on file.

From one-piece emergency replacements to volume supply for equipment manufacturers, every SUNON enquiry is handled by the same rule: verify the parameters first, then quote — so what arrives on site is the fan the project actually needs.

Frequently Asked Questions About Buying DC Fans

Can I order a single piece or request a sample before a bulk purchase?

Single-piece orders and samples are welcome — many customers validate one unit in their system before committing to volume. There is no minimum order quantity for standard stock models, and the sample price is deducted from the bulk order in most repeat purchases. Tell us the quantity you plan to use and we will quote both scenarios.

Do you support customized or OEM versions of DC Fans?

Yes. Beyond catalogue models we can discuss modified lead wires, connectors, speed curves, IP upgrades or private-label packaging for OEM projects. Customization usually starts from a defined annual quantity; our engineers will review your requirement and confirm feasibility, tooling cost and lead time before any commitment.

What warranty and after-sales support do you provide?

Every unit is covered by the manufacturer's warranty against defects in materials and workmanship, and we support you through the whole claim process so you deal with one supplier instead of chasing a factory overseas. If a failure appears in service, send us the serial number, operating conditions and photos, and we will arrange the replacement or credit path agreed in the quotation.

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About DC Fans

How to Select the Right DC Fans

Typical Applications and Use Cases for DC Fans

Frequently Asked Questions About Buying DC Fans

Can I order a single piece or request a sample before a bulk purchase?

Do you support customized or OEM versions of DC Fans?

What warranty and after-sales support do you provide?