McMaster-Carr

Measured in decibels (dB), volume ratings indicate how much noise equipment makes. Some common volume levels include a whisper @ 20 dB, a refrigerator @ 40 dB, a conversation @ 60 dB, and a light machine shop @ 90 dB. OSHA recommends hearing protection for exposure to 80 dB and greater.

Low-Voltage Equipment-Cooling Fans

Running on 48V DC power or lower, these compact fans fit inside electronics and other small, heat-sensitive equipment to keep things cool. They're also known as muffin fans. All have UL recognized components.

For technical drawings and 3-D models, click on a part number.

Square

Overall
Ht.	Wd.	Dp.	Airflow, cfm	Volume, dB	Current, A	Frame Material	Blade Material	Mounting Fasteners Included	Mounting Hole Dia.		Each
12V DC—Wire Leads
0.98" (25 mm)	0.98" (25 mm)	0.39" (9.9 mm)	1	50	0.20	Plastic	Plastic	No	0.11" (2.8 mm)	0000000	000000

Square—For 3D Printers

	Overall
For 3D Printer Part Trade Name	Ht.	Wd.	Dp.	Airflow, cfm	Volume, dB	Current, A	Frame Material	Blade Material	Mounting Fasteners Included	Mounting Hole Dia.	Compatible With		Each
12V DC—Quick-Disconnect Pins (2-Pin Male Connection)
Mosquito	0.98" (25 mm)	0.98" (25 mm)	0.51" (13 mm)	3	35	0.10	Plastic	Plastic	Yes	0.118" (3 mm)	Molex Micro-Fit 3.0	00000000	000000
24V DC—Quick-Disconnect Pins (2-Pin Male Connection)
Mosquito	0.98" (25 mm)	0.98" (25 mm)	0.51" (13 mm)	3	35	0.10	Plastic	Plastic	Yes	0.118" (3 mm)	Molex Micro-Fit 3.0	00000000	00000

Terms and Conditions and Privacy Policy