Pulse Width Modulation Fans

Delta Electronics Pulse Width Modulation (PWM) Fans regulate the voltage signal between fully on and fully off, controlling the speed of a fan with low power loss in the switching device. When a switch is off, there is practically no current, and when it is on, there is almost no voltage drop across the switch. As a result, power loss is close to zero. Delta Electronics PWM Fans offer a wide range of airflow options as well as heights and widths.

Types of Fans & Blowers

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Results: 54
Select Image Part # Mfr. Description Datasheet Availability Pricing (HKD) Filter the results in the table by unit price based on your quantity. Qty. RoHS Product Type Airflow Operating Supply Voltage Current Type Height Width
Delta Electronics DC Fans Fan, 120x38mm, 12VDC, 254.35CFM, 44.4W, Ball, 4x Lead Wires, Tach/PWM 273In Stock
288Expected 12/10/2026
HK$349.68
HK$293.37
HK$256.88
HK$254.90
HK$254.41
Min.: 1
Mult.: 1
DC Fans 254.35 CFM (6.5 m3/min) 12 VDC 120 mm 120 mm
Delta Electronics DC Fans Fan, 80x25mm, 12VDC, 54.57CFM, 3.96W, Ball, 4Leads, Lock Rotor Sensor, Tach/PWM 381In Stock
135On Order
HK$159.55
HK$136.86
HK$126.42
HK$117.63
Min.: 1
Mult.: 1
DC Fans 54.6 CFM (1.55 m3/min) 12 VDC 80 mm 80 mm
Delta Electronics DC Fans Fan, 80x38mm, 48VDC, 144.18CFM, 48W, 1A, 73dBA, Ball, 4x Lead Wires, Tach/PWM 91In Stock
360Expected 19/2/2027
HK$344.50
HK$278.82
HK$268.30
HK$250.63
HK$249.72
Min.: 1
Mult.: 1
DC Fans 144 CFM (4.1 m3/min) 48 VDC 80 mm 80 mm
Delta Electronics DC Fans Fan, 92x38mm, 12VDC, 185.66CFM, 44.4W, 3.7A, 71dBA, Ball, 4-Leads, Tach/PWM 222In Stock
48On Order
HK$342.28
HK$298.30
HK$286.96
HK$275.45
Min.: 1
Mult.: 1
DC Fans 186 CFM (5.3 m3/min) 12 VDC 92 mm 92 mm
Delta Electronics DC Fans Fan, 60x25mm, 48VDC, 38.35CFM, 6.72W, Ball, 4x Lead Wires, Tach/PWM 358In Stock
HK$228.27
HK$208.54
HK$189.72
HK$178.46
Min.: 1
Mult.: 1
DC Fans 38.4 CFM (1.09 m3/min) 48 VDC 60 mm 60 mm
Delta Electronics DC Fans DC Axial Fan, 80x80x38mm, 12VDC, 69.5CFM, 6.6W, 0.297"H2O, 4x Wire, Tach/PWM 220In Stock
HK$121.08
HK$103.00
HK$93.87
HK$89.19
Min.: 1
Mult.: 1
DC Fans 69.5 CFM 12 VDC 80 mm 80 mm
Delta Electronics DC Fans DC Axial Fan, 40x40x20mm, 12VDC, 9.33CFM, 1.2W, 0.366"H2O, 4x Wire, Tach/PWM 659In Stock
HK$95.52
HK$81.30
HK$74.14
HK$69.05
Min.: 1
Mult.: 1
DC Fans
Delta Electronics Blowers & Centrifugal Fans Blower, 45x10mm, 12VDC, 3.6CFM, Ball, 4x Lead Wires, Lock Rotor Sensor, Tach/PWM 3,011In Stock
HK$128.48
HK$108.42
HK$101.60
HK$98.56
Min.: 1
Mult.: 1
Blowers 3.6 CFM (0.1 m3/min) 12 VDC DC 45 mm 10 mm
Delta Electronics DC Fans Fan, 40x20mm, 12VDC, 10.1CFM, 1.44W, 0.12A, 34.5dBA, Ball, 4-Leads, Tach/PWM 2,115In Stock
HK$124.12
HK$110.31
HK$100.53
HK$93.54
Min.: 1
Mult.: 1
DC Fans 10.1 CFM (0.29 m3/min) 12 VDC 40 mm 40 mm
Delta Electronics DC Fans DC Axial Fan, 40x40x28mm, 12VDC, 23.66CFM, 6.6W, 2.33"H2O, 4x Wire, Tach/PWM 22In Stock
576Expected 3/11/2026
HK$179.61
HK$144.84
HK$129.55
HK$120.75
HK$118.78
Min.: 1
Mult.: 1
DC Fans 5 VDC to 13.8 VDC
Delta Electronics DC Fans Fan, 92x25.4mm, 12VDC, 67.8CFM, Superflo, 4 Leads, Lock Rotor Sensor, Tach/PWM 419In Stock
504Expected 31/5/2027
HK$84.26
HK$75.46
HK$67.65
HK$63.29
Min.: 1
Mult.: 1
DC Fans 67.8 CFM (1.92 m3/min) 12 VDC 92 mm 92 mm
Delta Electronics DC Fans Fan, 40x28mm, 12VDC, 21.83CFM, Ball, 4x Lead Wires, Lock Rotor Sensor, Tach/PWM 338In Stock
HK$169.25
HK$144.34
HK$138.34
HK$132.26
HK$127.90
Min.: 1
Mult.: 1
DC Fans 21.8 CFM (0.62 m3/min) 12 VDC 40 mm 40 mm
Delta Electronics DC Fans Fan, 92x38mm, 48VDC, 153.52CFM, Ball, 4Leads, Lock Rotor Sensor, Tach/PWM 295In Stock
HK$306.85
HK$262.79
HK$228.93
HK$224.49
Min.: 1
Mult.: 1
DC Fans 154 CFM (4.3 m3/min) 48 VDC 92 mm 92 mm
Delta Electronics DC Fans Fan, 40x40x28mm, 12VDC, 22.24CFM, 54dBA, 16500RPM, 1.566inchH2O, Tach, PWM, IP68 71In Stock
384Expected 1/3/2027
HK$399.41
HK$368.34
HK$356.75
HK$344.17
Min.: 1
Mult.: 1
DC Fans 22.3 CFM (0.63 m3/min) 12 VDC 40 mm 40 mm
Delta Electronics DC Fans Fan, 40x20mm, 12VDC, 20.56CFM, 5.16W, 0.43A, 52dBA, Ball, 4-Leads, Tach/PWM 268In Stock
1,008Expected 26/4/2027
HK$144.26
HK$116.64
HK$111.96
Min.: 1
Mult.: 1
DC Fans 20.6 CFM (0.58 m3/min) 12 VDC 40 mm 40 mm
Delta Electronics DC Fans Fan, 40x28mm, 12VDC, 29.52CFM, 10.68W, 0.89A, 59dBA, Ball, 4-Leads, Tach/PWM 133In Stock
1,152Expected 3/9/2027
HK$209.36
HK$168.59
HK$161.85
HK$152.73
HK$141.63
Min.: 1
Mult.: 1
DC Fans 29.5 CFM (0.84 m3/min) 12 VDC 40 mm 40 mm
Delta Electronics DC Fans Fan, 172x51mm, 48VDC, 607.07CFM, Ball, 4x Lead Wire, Lock Rotor Sensor, Tach/PWM 88In Stock
128On Order
HK$1,506.15
HK$1,312.65
Min.: 1
Mult.: 1
DC Fans 607 CFM (17.2 m3/min) 48 VDC 172 mm 172 mm
Delta Electronics DC Fans Fan, 120x38mm, 12VDC, 228.65CFM, 32.4W, 2.7A, 65.5dBA, Ball, 4-Leads, Tach/PWM 13In Stock
288Expected 12/10/2026
HK$409.60
HK$328.96
HK$290.74
HK$290.33
Min.: 1
Mult.: 1
DC Fans 228.65 CFM (6.47 m3/min) 12 VDC 120 mm 120 mm
Delta Electronics DC Fans Fan, 40x28mm, 12VDC, 25.29CFM, 7.2W, Ball, 4Leads, Lock Rotor Sensor, Tach/PWM 51In Stock
288Expected 12/10/2026
HK$156.92
HK$131.85
HK$117.05
HK$110.07
Min.: 1
Mult.: 1
DC Fans 25.3 CFM (0.72 m3/min) 12 VDC 40 mm 40 mm
Delta Electronics DC Fans Fan, 80x38mm, 12VDC, 132.6CFM, Ball, 4Leads, Lock Rotor Sensor, Tach/PWM, IP55 42In Stock
HK$404.51
HK$386.34
HK$368.01
HK$351.98
Min.: 1
Mult.: 1
DC Fans 133 CFM (3.8 m3/min) 12 VDC 80 mm 80 mm
Delta Electronics DC Fans Fan, 120x25mm, 24VDC, 174.53CFM, Ball, 4Leads, Lock Rotor Sensor, Tach/PWM 1In Stock
270Expected 5/1/2027
HK$512.93
HK$459.00
HK$364.72
Min.: 1
Mult.: 1
DC Fans 175 CFM (4.9 m3/min) 24 VDC 120 mm 120 mm
Delta Electronics DC Fans Fan, 40x15mm, 12VDC, 14.83CFM, 1.92W, 0.16A, 41.5dBA, Ball, 4-Leads, Tach/PWM
2,898On Order
HK$121.25
HK$102.75
HK$95.60
HK$90.17
HK$90.09
Min.: 1
Mult.: 1
DC Fans 14.8 CFM (0.42 m3/min) 12 VDC 40 mm 40 mm
Delta Electronics DC Fans Fan, 60x25mm, 24VDC, 38.35CFM, 5.76W, 0.24A, 46.5dBA, Ball, 4-Leads, Tach/PWM
1,080On Order
HK$267.07
HK$253.83
HK$250.05
HK$243.81
Min.: 1
Mult.: 1
DC Fans 38.4 CFM (1.09 m3/min) 24 VDC 60 mm 60 mm

Delta Electronics DC Fans Fan, 120x38mm, 48VDC, 190.48CFM, 14.88W, 0.31A, 55.5dBA, Ball, 4-Leads, Tach/PWM
497Expected 26/1/2027
HK$499.20
HK$463.20
HK$457.77
HK$366.61
Min.: 1
Mult.: 1
DC Fans 190.5 CFM (5.4 m3/min) 48 VDC 120 mm 120 mm
Delta Electronics Blowers & Centrifugal Fans Blower, 75x80x30mm, 12VDC, 30.16CFM, 27.6W, Ball, 4x Lead Wires, Tach/PWM
525On Order
HK$345.08
HK$276.60
HK$251.70
HK$242.82
Min.: 1
Mult.: 1
Blowers 30.2 CFM (0.85 m3/min) 12 VDC DC 75 mm 30 mm