E137077 Fans | McMaster-Carr

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16 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 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.

Square

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
24V DC—Wire Leads
3.62" (92 mm)	3.62" (92 mm)	0.98" (25 mm)	40	Sleeve	15° to 155°	23	0.12	Plastic	Plastic	No	0.18" (4.6 mm)	UL Recognized Component, C-UL Recognized Component	0000000	000000

High-Temperature Equipment-Cooling Fans

While standard equipment-cooling fan motors degrade when used in high-temperature areas, these fans run continuously without issue in temperatures up to 190° F. They are made entirely of metal and are lubricated with high-temperature bearing grease. This means they are often used to cool electronics near higher temperature areas, such as near commercial ovens. These fans have ball bearings that reduce friction as they run, extending their life. Their bearings also decrease noise for quiet operation.

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

Square

Overall
Height, mm	Width, mm	Depth, mm	Airflow, cfm	Temp. Range, °F	Volume (Sound), dBA	Current, A	Frame Material	Blade Material	Bearing Type	Mounting Fasteners Included	Mounting Hole Diameter, mm	Specifications Met		Each
115V AC, Single Phase, 60Hz—Quick-Disconnect Terminals
80	80	38	34	-40° to 190°	40	0.13	Aluminum	Steel	Ball	No	4.3	C-UL Recognized Component, CE Marked, TUV Rheinland Certified, UL Recognized Component	0000000	000000
92	92	38	51	-40° to 190°	42	0.12	Aluminum	Steel	Ball	No	4.3	C-UL Recognized Component, CE Marked, TUV Rheinland Certified, UL Recognized Component	0000000	00000
230V AC, Single Phase, 60Hz—Quick-Disconnect Terminals
80	80	38	34	-40° to 190°	40	0.07	Aluminum	Steel	Ball	No	4.3	C-UL Recognized Component, CE Marked, TUV Rheinland Certified, UL Recognized Component	0000000	00000
120	120	38	103	-40° to 190°	46	0.09	Aluminum	Steel	Ball	No	4.3	C-UL Recognized Component, CE Marked, TUV Rheinland Certified, UL Recognized Component	0000000	00000

Round

Overall
Diameter, mm	Depth, mm	Airflow, cfm	Temp. Range, °F	Volume (Sound), dBA	Current, A	Frame Material	Blade Material	Bearing Type	Mounting Fasteners Included	Mounting Hole Diameter, mm	Specifications Met		Each
115V AC, Single Phase, 60Hz—Quick-Disconnect Terminals
150	55	230	-40° to 190°	53	0.47	Aluminum	Steel	Ball	No	4.2	C-UL Recognized Component, CE Marked, TUV Rheinland Certified, UL Recognized Component	0000000	000000
230V AC, Single Phase, 60Hz—Quick-Disconnect Terminals
150	55	230	-40° to 190°	53	0.23	Aluminum	Steel	Ball	No	4.2	C-UL Recognized Component, CE Marked, TUV Rheinland Certified, UL Recognized Component	0000000	00000

Hazardous Location Equipment-Cooling Fans

Square

Oblong

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
Square
100-240V AC, Single Phase, 50Hz/60Hz—Quick-Disconnect Terminals
4.72" (120 mm)	4.72" (120 mm)	1.5" (38 mm)	124	0° to 155°	49	0.18	Plastic	Plastic	No	0.17" (4.3 mm)	IP68; IEC Zone 2 Groups IIC, IIB, IIA	ATEX II 3 G Ex ec IIC Gc, C-UL Recognized Component, CE Marked, TUV Rheinland Certified, UL Recognized Component	0000000	000000
100-240V AC, Single Phase, 50Hz/60Hz—Wire Leads
4.72" (120 mm)	4.72" (120 mm)	1.5" (38 mm)	124	0° to 155°	49	0.18	Plastic	Plastic	No	0.17" (4.3 mm)	IP68; IEC Zone 2 Groups IIC, IIB, IIA	ATEX II 3 G Ex ec IIC Gc, C-UL Recognized Component, CE Marked, TUV Rheinland Certified, UL Recognized Component	0000000	00000
115-230V AC, Single Phase, 50Hz/60Hz—Quick-Disconnect Terminals
3.62" (92 mm)	3.62" (92 mm)	1.5" (38 mm)	50	0° to 155°	43	0.08	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	00000
4.72" (120 mm)	4.72" (120 mm)	1.5" (38 mm)	106	0° to 155°	43	0.08	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	00000
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	00000
3.62" (92 mm)	3.62" (92 mm)	1.5" (38 mm)	50	0° to 155°	43	0.08	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	00000
Oblong
95-264V AC, Single Phase, 50Hz/60Hz—Wire Leads
5.91" (150 mm)	6.77" (172 mm)	2.01" (51 mm)	220	-4° to 158°	57	0.27	Aluminum	Plastic	No	0.16" (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

Hazardous Location Equipment-Cooling Fan Kits

Cool electronics and other sensitive equipment in potentially unsafe areas. These fans are non-sparking, so they’re safe for use around gas and explosive dust. They also withstand washdowns, occasional submersion in water, and wet weather. They’re not for use in mines. Ball bearings reduce the heat that’s generated to prolong fan lifespan.

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

Square

Square with Stainless Steel Fan Guard

Overall
Height	Width	Depth	Airflow, cfm	Temp. Range, °F	Volume, dBA	Current, A	Frame Material	Mounting Fasteners Included	Mounting Hole Diameter	Environmental Rating	Specifications Met		Each
With 304 Stainless Steel Fan Guard
120V AC, Single Phase, 50Hz/60Hz—Two Prong Plug
4.72" (120 mm)	4.72" (120 mm)	1.5" (38 mm)	106	0° to 155°	43	0.08	Aluminum	No	0.17" (4.3 mm)	IEC Zone 2 Groups IIC, IIB, IIA, IP68	ATEX II 3 G Ex nA IIC Gc, C-UL Listed, UL Listed, UL Recognized Component	0000000	0000000

Oblong

Oblong with Stainless Steel Fan Guard

Overall
Height	Width	Depth	Airflow, cfm	Temp. Range, °F	Volume, dBA	Current, A	Frame Material	Mounting Fasteners Included	Mounting Hole Diameter	Environmental Rating	Specifications Met		Each
With 304 Stainless Steel Fan Guard
120V AC, Single Phase, 50Hz/60Hz—Two Prong Plug
5.91" (150 mm)	6.77" (172 mm)	2.01" (51 mm)	220	0° to 155°	57	0.23	Aluminum	No	0.17" (4.3 mm)	IEC Zone 2 Groups IIC, IIB, IIA, IP68	ATEX II 3 G Ex nA IIC Gc, C-UL Listed, UL Listed, UL Recognized Component	0000000	0000000