Pulse Width Modulation (PWM) Fans

NMB Technologies Pulse Width Modulation (PWM) Fans are high-performance, four-wire fans with a tachometer signal. The energy-saving fans offer efficient motor technology with an aerodynamic impeller design. The fans feature low vibration, low noise, tacho output, PWM speed control, and current spike prevention. The PWM feature extends the life of the fan with a more efficient performance. NMB PWM Fans are designed for demanding applications such as routers, switches, storage, inverters, telecom, data storage, and uninterruptible power supplies (UPS).

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Industrial Automation
Thermal Management Products
DC Fans

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NMB DC Fans Tubeaxial Fan, 80x80x38mm, 12VDC, 91.8CFM, 13.8W, Flange, Ball, 4 Wire, Tach/PWM
Datasheet
16In Stock
Min.: 1
Mult.: 1

Axial 80 mm 38 mm 80 mm 12 VDC 91.8 CFM (2.6 m3/min) 6500 RPM Ball 56 dBA 13.8 W Tachometer, PWM Plastic Wire Leads - 4 08038RA
NMB DC Fans Tubeaxial Fan, 92x92x25mm, 24VDC, 63.6CFM, 4.56W, Rib, 4 Wire, Tach/PWM, IP69K
Datasheet
60In Stock
Min.: 1
Mult.: 1

Axial 92 mm 25 mm 92 mm 24 VDC 63.5 CFM (1.8 m3/min) 3700 RPM Ball 38.5 dBA IP68, IP69K 4.56 W Tachometer, PWM Plastic Wire Leads - 4 09225VE
NMB DC Fans Tubeaxial Fan, 119x119x25mm, 12VDC, 128.2CFM, 7.44W, Flange, 4 Wire, Tach/PWM
Datasheet
23In Stock
52Expected 2026/12/07
Min.: 1
Mult.: 1

Axial 119 mm 25 mm 119 mm 12 VDC 128 CFM (3.6 m3/min) 3500 RPM Ball 47 dBA 7.44 W Tachometer, PWM Plastic Wire Leads - 4 11925SA
NMB DC Fans Tubeaxial Fan, 150x50mm Round, 48VDC, 261CFM, 21.6W, Flange, 4 Wire, Tach/PWM
Datasheet
15In Stock
Min.: 1
Mult.: 1

Axial 150 mm 50 mm 150 mm 48 VDC 261 CFM (7.4 m3/min) 3500 RPM Ball 60 dBA 21.6 W Tachometer, PWM Aluminum Wire Leads - 4 15050VA
NMB DC Fans Tubeaxial Fan, 172x50mm Round, 48VDC, 346CFM, 43.2W, Flange, 4 Wire, Tach/PWM
Datasheet
19In Stock
Min.: 1
Mult.: 1

Axial 172 mm 50 mm 172 mm 48 VDC 346 CFM (9.8 m3/min) 4600 RPM Ball 62 dBA 43.2 W Tachometer, PWM Aluminum Wire Leads - 4 17250VA
NMB DC Fans Tubeaxial Fan, 40x40x28mm, 12VDC, 36CFM, 18.6W, 66.5dBA, Rib, 4 Wire, Tach/PWM
Datasheet
200Expected 2026/10/22
Min.: 1
Mult.: 1

Axial 40 mm 28 mm 40 mm 12 VDC 36 CFM (1.02 m3/min) 26500 RPM Ball 66.5 dBA 18.6 W Tachometer, PWM Plastic Wire Leads - 4 04028DA
NMB DC Fans DC Axial Fan, 40x40x28mm, 12VDC
Datasheet
280On Order
Min.: 1
Mult.: 1

Axial 40 mm 28 mm 40 mm 12 VDC 39.9 CFM (1.13 m3/min) 29500 RPM Ball 67 dBA 26.4 W Tachometer, PWM Plastic Wire Leads - 4 04028DA
NMB DC Fans Tubeaxial Fan, 120x120x38mm, 24VDC, 243.7CFM, 35.52W, Flange, 4 Wire, Tach/PWM
Datasheet
16Expected 2026/09/09
Min.: 1
Mult.: 1

Axial 120 mm 38 mm 120 mm 24 VDC 244 CFM (6.9 m3/min) 6400 RPM Ball 64 dBA 35.5 W Tachometer, PWM Plastic Wire Leads - 4 12038VA
NMB DC Fans DC Axial Fan, 40x40x28mm, 12VDC
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 200
Mult.: 200

Axial 40 mm 28 mm 40 mm 12 VDC 34.6 CFM (0.98 m3/min) 34500 RPM Ball 69.5 dBA 30 W Tachometer, PWM Plastic Wire Leads - 4 04028DA
NMB DC Fans DC Axial Fan, 40x40x56mm, 12VDC
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 144
Mult.: 144

Axial 40 mm 56 mm 40 mm 35.3 CFM (1 m3/min) 25200 RPM, 21000 RPM Ball 69.5 dBA 26.4 W Tachometer, PWM Plastic Wire Leads - 4 04056EA
NMB DC Fans Tubeaxial Fan, 80x80x25mm, 12VDC, 51.2CFM, 2.64W, Flange, Ball, 4 Wire, Tach/PWM
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 104
Mult.: 104

Axial 80 mm 25 mm 80 mm 12 VDC 51.2 CFM (1.45 m3/min) 5000 RPM Ball 45 dBA 2.64 W Tachometer, PWM Plastic Wire Leads - 4 08025DA
NMB DC Fans Axial Fan, 80x80x38mm, 12VDC, 137.7CFM, 61.2W, 76.5dBA, 5.48"H2O, Tach/PWM
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1
Mult.: 1

Axial 80 mm 38 mm 80 mm 12 VDC 137.7 CFM (3.9 m3/min) 17000 RPM Ball 76.5 dBA 61.2 W Tachometer, PWM Plastic Wire Leads - 4 08038DA