2.36" Fans | McMaster-Carr

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24 Products

About Sound Levels

To choose an alarm or speaker that’s loud enough, first determine the decibel (dB) rating of background noise.

About Sound Levels

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.

DC 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. Some meet American and Canadian safety standards.

Fans with ball bearings generate less heat as they run, so they have a longer life than fans with sleeve bearings.

Fans with sleeve bearings are good for less demanding applications, such as cooling prototypes or parts that aren’t used often.

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

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Overall
Ht.	Wd.	Dp.	Airflow, cfm	Bearing Type	Temp. Range, °F	Volume, dBA	Current, A	Frame Material	Blade Material	Mounting Fasteners Included	Mounting Hole DIa.	Specifications Met		Each
12V DC—Wire Leads
2.36" (60 mm)	2.36" (60 mm)	0.98" (25 mm)	12	Ball	15° to 155°	22	0.09	Plastic	Plastic	No	0.17" (4.3 mm)	UL Recognized Component, C-UL Recognized Component	0000000	000000
2.36" (60 mm)	2.36" (60 mm)	0.98" (25 mm)	16	Sleeve	15° to 155°	17	0.05	Plastic	Plastic	No	0.17" (4.3 mm)	UL Recognized Component, C-UL Recognized Component	0000000	0000
2.36" (60 mm)	2.36" (60 mm)	0.98" (25 mm)	17	Ball	0° to 165°	29	0.08	Plastic	Plastic	No	0.15" (3.8 mm)	UL Recognized Component, CSA Certified	0000000	00000
2.36" (60 mm)	2.36" (60 mm)	0.98" (25 mm)	20	Ball	15° to 155°	30	0.13	Plastic	Plastic	No	0.17" (4.3 mm)	UL Recognized Component, C-UL Recognized Component	0000000	00000
2.36" (60 mm)	2.36" (60 mm)	0.98" (25 mm)	23	Ball	0° to 155°	35	0.16	Plastic	Plastic	No	0.15" (3.8 mm)	UL Recognized Component, CSA Certified	0000000	00000
2.36" (60 mm)	2.36" (60 mm)	0.98" (25 mm)	27	Sleeve	15° to 155°	32	0.15	Plastic	Plastic	No	0.17" (4.3 mm)	UL Recognized Component, C-UL Recognized Component	0000000	0000
2.36" (60 mm)	2.36" (60 mm)	0.98" (25 mm)	33	Ball	0° to 155°	43	0.29	Plastic	Plastic	No	0.15" (3.8 mm)	UL Recognized Component, CSA Certified	00000000	00000
2.36" (60 mm)	2.36" (60 mm)	1.26" (32 mm)	41	Ball	0° to 155°	53	0.64	Plastic	Plastic	No	0.17" (4.3 mm)	UL Recognized Component, CSA Certified	00000000	00000
24V DC—Wire Leads
2.36" (60 mm)	2.36" (60 mm)	0.79" (20 mm)	16	Sleeve	15° to 155°	21	0.03	Plastic	Plastic	No	0.17" (4.3 mm)	UL Recognized Component, C-UL Recognized Component	0000000	0000
2.36" (60 mm)	2.36" (60 mm)	0.98" (25 mm)	12	Ball	15° to 155°	22	0.08	Plastic	Plastic	No	0.17" (4.3 mm)	UL Recognized Component, C-UL Recognized Component	0000000	00000
2.36" (60 mm)	2.36" (60 mm)	0.98" (25 mm)	17	Ball	0° to 155°	29	0.06	Plastic	Plastic	No	0.15" (3.8 mm)	UL Recognized Component, CSA Certified	0000000	00000
2.36" (60 mm)	2.36" (60 mm)	0.98" (25 mm)	20	Ball	5° to 145°	30	0.12	Plastic	Plastic	No	0.17" (4.3 mm)	UL Recognized Component, C-UL Recognized Component	0000000	00000
2.36" (60 mm)	2.36" (60 mm)	0.98" (25 mm)	23	Ball	0° to 155°	35	0.09	Plastic	Plastic	No	0.15" (3.8 mm)	UL Recognized Component, CSA Certified	0000000	00000
2.36" (60 mm)	2.36" (60 mm)	0.98" (25 mm)	27	Sleeve	15° to 155°	32	0.10	Plastic	Plastic	No	0.17" (4.3 mm)	UL Recognized Component, C-UL Recognized Component	0000000	0000
2.36" (60 mm)	2.36" (60 mm)	0.98" (25 mm)	33	Ball	0° to 155°	43	0.15	Plastic	Plastic	No	0.15" (3.8 mm)	UL Recognized Component, CSA Certified	00000000	00000
2.36" (60 mm)	2.36" (60 mm)	1.26" (32 mm)	41	Ball	0° to 155°	53	0.32	Plastic	Plastic	No	0.17" (4.3 mm)	UL Recognized Component, CSA Certified	00000000	00000
48V DC—Wire Leads
2.36" (60 mm)	2.36" (60 mm)	0.98" (25 mm)	33	Ball	0° to 155°	43	0.09	Plastic	Plastic	No	0.15" (3.7 mm)	UL Recognized Component, CSA Certified, C-UL Recognized Component	00000000	00000

High-Output Equipment-Cooling Fans

These fans produce greater airflow than standard equipment-cooling fans. Also known as muffin fans and electrically commutated (EC) fans, they keep heat-sensitive equipment such as electronic components cool. Ball bearings keep them running smoothly and quietly, reducing friction to increase their lifespan. All have UL recognized components and some are CSA certified.

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

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Overall
Ht.	Wd.	Dp.	Airflow, cfm	Temp. Range, °F	Volume, dBA	Current, A	Frame Material	Blade Material	Mounting Fasteners Included	Mounting Hole Dia.	Specifications Met		Each
95-260V AC, Single Phase, 50Hz/60Hz—Wire Leads
2.36" (60 mm)	2.36" (60 mm)	0.98" (25 mm)	19	0° to 155°	31	0.03	Plastic	Plastic	No	0.169" (4.3 mm)	UL Recognized Component, C-UL Recognized Component, CE Marked	0000000	000000

Hazardous Location Equipment-Cooling Fans

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Safely cool electronics and equipment where explosive gases could be present due to equipment failure. ATEX certified, these fans meet European standards for hazardous locations. They’re also IP rated, so they seal out dust and are protected from water if briefly submersed. All have ball bearings that decrease noise for quiet operation. Their bearings reduce heat as they run as well, extending their life.

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

Overall
Height	Width	Depth	Airflow, cfm	Temp. Range, °F	Volume, dBA	Current, A	Frame Material	Blade Material	Mounting Fasteners Included	Mounting Hole Diameter	Environmental Rating	Specifications Met		Each
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115-230V AC, Single Phase, 50Hz/60Hz—Wire Leads
2.36" (60 mm)	2.36" (60 mm)	0.98" (25 mm)	19	0° to 155°	31	0.04	Plastic	Plastic	No	0.17" (4.3 mm)	IP68; IEC Zone 2 Groups IIC, IIB, IIA	ATEX II 3 G Ex nA IIC Gc, C-UL Recognized Component, CE Marked, TUV Rheinland Certified, UL Recognized Component	0000000	000000

DC Wet-Location Equipment-Cooling Fans

Operate these fans with a DC power source. Also known as muffin fans, they keep heat-sensitive equipment such as electronic components cool. All have ball bearings to lower the heat that is generated from the fans for a longer service life.

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

Overall
Ht.	Wd.	Dp.	Airflow, cfm	Temp. Range, °F	Volume, dBA	Current, A	Frame Material	Blade Material	Bearing Type	Mounting Fasteners Included	Mounting Hole Dia.	Environmental Rating		Each
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12V DC—Wire Leads
2.36" (60 mm)	2.36" (60 mm)	0.98" (25 mm)	25.3	15° to 155°	32.3	0.50	Plastic	Plastic	Ball	No	0.169" (4.3 mm)	IP58	00000000	000000
24V DC—Wire Leads
2.36" (60 mm)	2.36" (60 mm)	0.98" (25 mm)	25.3	15° to 155°	32.3	0.07	Plastic	Plastic	Ball	No	0.169" (4.3 mm)	IP58	00000000	00000
48V DC—Wire Leads
2.36" (60 mm)	2.36" (60 mm)	0.98" (25 mm)	25.3	15° to 155°	32.3	0.07	Plastic	Plastic	Ball	No	0.169" (4.3 mm)	IP58	00000000	00000

Submersible DC Equipment-Cooling Fans

Keep electronics cool in wet areas. These fans withstand weather, washdowns, and occasional time spent underwater. A ball bearing keeps them running smoothly and quietly, reducing friction to increase their lifespan.

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

Square

Overall
Height	Width	Depth	Airflow, cfm	Temp. Range, °F	Volume, dBA	Current, A	Mounting Fasteners Included	Mounting Hole Diameter	Environmental Rating	Specifications Met		Each
Plastic Frame with Plastic Blades
12V DC, Wire Leads
2.36" (60 mm)	2.36" (60 mm)	1.5" (38 mm)	58	15° to 155°	59	1.35	No	0.17" (4.4 mm)	IP68	UL Recognized Component CE Marked TUV Rheinland Certified	0000000	000000
24V DC, Wire Leads
2.36" (60 mm)	2.36" (60 mm)	1.5" (38 mm)	58	15° to 155°	59	0.58	No	0.17" (4.4 mm)	IP68	UL Recognized Component CE Marked TUV Rheinland Certified	0000000	00000