CFM-40 40mm x 40mm DC Axial Fans

Same Sky CFM-40 40mm x 40mm DC Axial Fans are offered with dual ball-bearing construction or an omniCOOL™ system for maximum reliability. The series offers a tachometer signal option and multiple speed options for different cooling needs. The rated speeds range from 3500RPM to 35,000RPM, while the airflow ranges from 4.22CFM up to 43.7CFM. The CFM-40 series is RoHS and REACH compliant and has an operating temperature range of -10°C to 70°C. Same Sky CFM-40 40mm x 40mm DC Axial Fans are an ideal thermal management solution for IT and telecommunications equipment, medical devices, and industrial applications.

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Industrial Automation
Thermal Management Products
DC Fans

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Same Sky DC Fans dc axial fan, 40 mm square, 10 mm, 24 Vdc, ball, 8000 RPM, 6.76 CFM, TS
Datasheet
306In Stock
Min.: 1
Mult.: 1

Axial 40 mm 10.5 mm 40 mm 24 VDC 6.76 CFM (0.19 m3/min) 8000 RPM Ball 29.6 dBA 1.92 W Auto Restart, Polarity Protection, Tachometer Signal Polybutylene Terephthalate (PBT) Wire Leads - 3
Same Sky DC Fans dc axial fan, 40 mm square, 20 mm, 12 Vdc, ball, 16500 RPM, 19.42 CFM
Datasheet
302In Stock
Min.: 1
Mult.: 1

Axial 20 mm 40 mm 12 VDC 19.42 CFM (0.55 m3/min) 16500 RPM Ball 49.8 dBA 7.08 W Auto Restart, Polarity Protection, Soft Start Polybutylene Terephthalate (PBT) Wire Leads - 2
Same Sky DC Fans dc axial fan, 40 mm square, 20 mm, 24 Vdc, ball, 9500 RPM, 11.88 CFM, TS
Datasheet
272In Stock
Min.: 1
Mult.: 1

Axial 20 mm 40 mm 24 VDC 11.88 CFM (0.34 m3/min) 9500 RPM Ball 34.2 dBA 2.88 W Auto Restart, Polarity Protection, Tachometer Signal Polybutylene Terephthalate (PBT) Wire Leads - 3
Same Sky DC Fans dc axial fan, 40 mm square, 20 mm, 5 Vdc, omniCOOL, 5500 RPM, 6.88 CFM
Datasheet
323In Stock
Min.: 1
Mult.: 1

Axial 20 mm 40 mm 5 VDC 6.88 CFM (0.19 m3/min) 5500 RPM 21.2 dBA 850 mW Auto Restart, Polarity Protection Polybutylene Terephthalate (PBT) Wire Leads - 2
Same Sky DC Fans dc axial fan, 40 mm square, 20 mm, 5 Vdc, ball, 5500 RPM, 6.88 CFM, TS
Datasheet
10In Stock
Min.: 1
Mult.: 1

Axial 20 mm 40 mm 5 VDC 6.88 CFM (0.19 m3/min) 5500 RPM Ball 21.2 dBA 750 mW Auto Restart, Polarity Protection, Tachometer Signal Polybutylene Terephthalate (PBT) Wire Leads - 3
Same Sky DC Fans dc axial fan, 40 mm square, 20 mm, 24 Vdc, omniCOOL, 5500 RPM, 6.88 CFM, TS
Datasheet
224In Stock
Min.: 1
Mult.: 1

Axial 20 mm 40 mm 24 VDC 6.88 CFM (0.19 m3/min) 5500 RPM Sleeve 21.2 dBA 1.2 W Auto Restart, Polarity Protection, Tachometer Signal Polybutylene Terephthalate (PBT) Wire Leads - 3
Same Sky DC Fans dc axial fan, 40 mm square, 20 mm, 24 Vdc, omniCOOL, 9500 RPM, 11.88 CFM, TS
Datasheet
133In Stock
Min.: 1
Mult.: 1

Axial 20 mm 40 mm 24 VDC 11.88 CFM (0.34 m3/min) 9500 RPM Sleeve 34.2 dBA 360 mW Auto Restart, Polarity Protection, Tachometer Signal Polybutylene Terephthalate (PBT) Wire Leads - 3
Same Sky DC Fans dc axial fan, 40 mm square, 20 mm, 24 Vdc, ball, 5500 RPM, 6.88 CFM, TS
Datasheet
127In Stock
Min.: 1
Mult.: 1

Axial 20 mm 40 mm 24 VDC 6.88 CFM (0.19 m3/min) 5500 RPM Ball 21.2 dBA 1.2 W Auto Restart, Polarity Protection, Tachometer Signal Polybutylene Terephthalate (PBT) Wire Leads - 3
Same Sky DC Fans dc axial fan, 40 mm square, 10 mm, 24 Vdc, ball, 5000 RPM, 4.22 CFM
Datasheet
848In Stock
Min.: 1
Mult.: 1

Axial 40 mm 10.5 mm 40 mm 24 VDC 4.22 CFM (0.12 m3/min) 5000 RPM Ball 19.5 dBA 1.2 W Auto Restart, Polarity Protection Polybutylene Terephthalate (PBT) Wire Leads - 2
Same Sky DC Fans dc axial fan, 40 mm square, 10 mm, 24 Vdc, omniCOOL, 8000 RPM, 6.76 CFM
Datasheet
597In Stock
1,800On Order
Min.: 1
Mult.: 1

Axial 10.5 mm 40 mm 24 VDC 6.76 CFM (0.19 m3/min) 8000 RPM 29.6 dBA 1.44 W Auto Restart, Polarity Protection Polybutylene Terephthalate (PBT) Wire Leads - 2
Same Sky DC Fans dc axial fan, 40 mm square, 20 mm, 24 Vdc, ball, 7500 RPM, 9.38 CFM
Datasheet
327In Stock
100Expected 2026/12/04
Min.: 1
Mult.: 1

Axial 20 mm 40 mm 24 VDC 9.38 CFM (0.27 m3/min) 7500 RPM Ball 30.6 dBA 1.44 W Auto Restart, Polarity Protection Polybutylene Terephthalate (PBT) Wire Leads - 2
Same Sky DC Fans dc axial fan, 40 mm square, 20 mm, 5 Vdc, omniCOOL, 9500 RPM, 11.88 CFM
Datasheet
264In Stock
Min.: 1
Mult.: 1

Axial 20 mm 40 mm 5 VDC 11.88 CFM (0.34 m3/min) 9500 RPM 34.2 dBA 2.35 W Auto Restart, Polarity Protection Polybutylene Terephthalate (PBT) Wire Leads - 2
Same Sky DC Fans dc axial fan, 40 mm square, 20 mm, 24 Vdc, omniCOOL, 3500 RPM, 4.38 CFM
Datasheet
385In Stock
Min.: 1
Mult.: 1

Axial 20 mm 40 mm 24 VDC 4.38 CFM (0.12 m3/min) 3500 RPM 11.4 dBA 960 mW Auto Restart, Polarity Protection Polybutylene Terephthalate (PBT) Wire Leads - 2
Same Sky DC Fans dc axial fan, 40 mm square, 10 mm, 24 Vdc, omniCOOL, 5000 RPM, 4.22 CFM, TS
Datasheet
213In Stock
Min.: 1
Mult.: 1

Axial 10.5 mm 40 mm 24 VDC 4.22 CFM (0.12 m3/min) 5000 RPM 19.5 dBA 1.2 W Auto Restart, Polarity Protection, Tachometer Signal Polybutylene Terephthalate (PBT) Wire Leads - 3
Same Sky DC Fans dc axial fan, 40 mm square, 10 mm, 24 Vdc, omniCOOL, 6500 RPM, 5.49 CFM
Datasheet
83In Stock
200Expected 2026/11/06
Min.: 1
Mult.: 1

Axial 10.5 mm 40 mm 24 VDC 5.49 CFM (0.16 m3/min) 6500 RPM 25.1 dBA 1.2 W Auto Restart, Polarity Protection Polybutylene Terephthalate (PBT) Wire Leads - 2
Same Sky DC Fans dc axial fan, 40 mm square, 20 mm, 5 Vdc, ball, 9500 RPM, 11.88 CFM, TS
Datasheet
107In Stock
400On Order
Min.: 1
Mult.: 1

Axial 20 mm 40 mm 5 VDC 11.88 CFM (0.34 m3/min) 9500 RPM Ball 34.2 dBA 2.25 W Auto Restart, Polarity Protection, Tachometer Signal Polybutylene Terephthalate (PBT) Wire Leads - 3
Same Sky DC Fans dc axial fan, 40 mm square, 20 mm, 24 Vdc, ball, 3500 RPM, 4.38 CFM
Datasheet
165In Stock
Min.: 1
Mult.: 1

Axial 20 mm 40 mm 24 VDC 4.38 CFM (0.12 m3/min) 3500 RPM Ball 11.4 dBA 960 mW Auto Restart, Polarity Protection Polybutylene Terephthalate (PBT) Wire Leads - 2
Same Sky DC Fans dc axial fan, 40 mm square, 20 mm, 5 Vdc, omniCOOL, 7500 RPM, 9.38 CFM, TS
Datasheet
107In Stock
Min.: 1
Mult.: 1

Axial 20 mm 40 mm 5 VDC 9.38 CFM (0.27 m3/min) 7500 RPM Sleeve 30.6 dBA 1.6 W Auto Restart, Polarity Protection, Tachometer Signal Polybutylene Terephthalate (PBT) Wire Leads - 3
Same Sky DC Fans dc axial fan, 40 mm square, 20 mm, 24 Vdc, omniCOOL, 7500 RPM, 9.38 CFM
Datasheet
230In Stock
Min.: 1
Mult.: 1

Axial 20 mm 40 mm 24 VDC 9.38 CFM (0.27 m3/min) 7500 RPM 30.6 dBA 1.92 W Auto Restart, Polarity Protection Polybutylene Terephthalate (PBT) Wire Leads - 2
Same Sky DC Fans dc axial fan, 40 mm square, 28 mm, 12 Vdc, ball, 20000 RPM, 24.38 CFM
Datasheet
43In Stock
Min.: 1
Mult.: 1

Axial 28 mm 40 mm 12 VDC 24.38 CFM (0.69 m3/min) 20000 RPM Ball 56.9 dBA 11.28 W Auto Restart, Polarity Protection, Soft Start Polybutylene Terephthalate (PBT) Wire Leads - 2
Same Sky DC Fans dc axial fan, 40 mm square, 10 mm, 24 Vdc, ball, 6500 RPM, 5.49 CFM
Datasheet
67In Stock
Min.: 1
Mult.: 1

Axial 40 mm 10.5 mm 40 mm 24 VDC 5.49 CFM (0.16 m3/min) 6500 RPM Ball 25.1 dBA 1.44 W Auto Restart, Polarity Protection Polybutylene Terephthalate (PBT) Wire Leads - 2
Same Sky DC Fans dc axial fan, 40 mm square, 20 mm, 24 Vdc, ball, 11000 RPM, 13.76 CFM
Datasheet
927Expected 2026/12/07
Min.: 1
Mult.: 1

Axial 20 mm 40 mm 24 VDC 13.76 CFM (0.39 m3/min) 11000 RPM Ball 38.1 dBA 2.88 W Auto Restart, Polarity Protection Polybutylene Terephthalate (PBT) Wire Leads - 2
Same Sky DC Fans dc axial fan, 40 mm square, 20 mm, 5 Vdc, ball, 7500 RPM, 9.38 CFM
Datasheet
Non-Stocked Lead-Time 17 Weeks
Min.: 300
Mult.: 100

Axial 20 mm 40 mm 5 VDC 9.38 CFM (0.27 m3/min) 7500 RPM Ball 30.6 dBA 1.8 W Auto Restart, Polarity Protection Polybutylene Terephthalate (PBT) Wire Leads - 2