48V DC Fans | McMaster-Carr

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22 Products

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.

Square

Quick-Disconnect Terminal Connection—Fans with quick-disconnect (QD) terminals are compatible with quick-disconnect power cords.

Ball Bearing—Fans with ball bearings generate less heat as they run, so they have a longer life than fans with plain bearings.

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

					Overall						Mounting
	Airflow	Temp. Range, ° F	Volume	Current	Ht.	Wd.	Dp.	Frame Material	Blade Material	Bearing Type	Fasteners Included	Hole Dia.	Certification		Each
48V DC—Wire Leads



		33 ft³/min	0 to 155	43 dBA	0.09 amp	2.36" (60 mm)	2.36" (60 mm)	0.98" (25 mm)	Plastic	Plastic	Ball	No	0.15" (3.7 mm)	C-UL Recognized Component, CSA Certified, UL Recognized Component	1939K217	000000


		41 ft³/min	0 to 155	32 dBA	0.04 amp	3.15" (80 mm)	3.15" (80 mm)	0.98" (25 mm)	Plastic	Plastic	Ball	No	0.17" (4.3 mm)	C-UL Recognized Component, CSA Certified, UL Recognized Component	1939K224	00000
		86 ft³/min	0 to 155	55 dBA	0.20 amp	3.62" (92 mm)	3.62" (92 mm)	1.5" (38 mm)	Plastic	Plastic	Ball	No	0.17" (4.3 mm)	C-UL Recognized Component, CSA Certified, UL Recognized Component	1939K236	00000
		100 ft³/min	0 to 165	45 dBA	0.11 amp	4.69" (119 mm)	4.69" (119 mm)	1.26" (32 mm)	Plastic	Plastic	Ball	No	0.17" (4.3 mm)	C-UL Recognized Component, CSA Certified, UL Recognized Component	1939K244	00000
		131 ft³/min	0 to 155	71 dBA	0.77 amp	3.15" (80 mm)	3.15" (80 mm)	1.5" (38 mm)	Plastic	Plastic	Ball	No	0.17" (4.3 mm)	C-UL Recognized Component, CSA Certified, UL Recognized Component	1939K226	000000
		139 ft³/min	0 to 155	69 dBA	0.61 amp	3.62" (92 mm)	3.62" (92 mm)	1.5" (38 mm)	Plastic	Plastic	Ball	No	0.17" (4.3 mm)	C-UL Recognized Component, CSA Certified, UL Recognized Component	1939K237	00000
		200 ft³/min	0 to 145	58 dBA	0.38 amp	5" (127 mm)	5" (127 mm)	1.5" (38 mm)	Plastic	Plastic	Ball	No	0.17" (4.3 mm)	C-UL Recognized Component, CSA Certified, UL Recognized Component	1939K246	00000


		48V DC—Quick-Disconnect Terminal with Male Plug



				94 ft³/min	15 to 165	43 dBA	0.08 amp	4.69" (119 mm)	4.69" (119 mm)	1.5" (38 mm)	Aluminum	Plastic	Plain	No	0.15" (3.8 mm)	CSA Certified, UL Recognized Component	1939K119	00000

High-Pressure Washdown DC Equipment-Cooling Fans

Keep electronics from overheating in places that must be sanitized often. These DC-powered fans are rated IP69K, meaning you won’t damage them with harsh jets of water and they block out dust. For a long life, all have ball bearings that reduce friction and heat as they operate. Also called muffin fans.

Square

	Overall, mm						Mounting
	Ht.	Wd.	Dp.	Airflow, ft³/min	Volume (Sound), dBA	Current, amp	Fasteners Included	Hole Dia., mm	Enclosure Rating	Certification		Each
Plastic Frame with Plastic Blades







				48V DC, Wire Leads

				60	60	25	28	30	0.07	No	4.3	IP69K	CE Marked, UL Recognized Component	7664N27	000000


				80	80	25	40	33	0.08	No	4.3	IP69K	CE Marked, UL Recognized Component	7664N28	00000
				80	80	32	77	50	0.16	No	4.1	IP69K	CE Marked, UL Recognized Component	7664N29	00000
				92	92	25	50	32	0.09	No	4.3	IP69K	CE Marked, UL Recognized Component	7664N31	00000
				92	92	38	100	56	0.25	No	4.5	IP69K	CE Marked, UL Recognized Component	7664N32	00000
				120	120	25	120	42	0.09	No	4.4	IP69K	CE Marked, UL Recognized Component	7664N33	00000
				120	120	38	124	44	0.10	No	4.3	IP69K	CE Marked, UL Recognized Component	7664N34	00000

Oblong

	Overall, mm						Mounting
	Ht.	Wd.	Dp.	Airflow, ft³/min	Volume (Sound), dBA	Current, amp	Fasteners Included	Hole Dia., mm	Enclosure Rating	Certification		Each
Aluminum Frame with Plastic Blades







				48V DC, Wire Leads

				150	172	51	235	52	0.48	No	4.3	IP69K	CE Marked, UL Recognized Component	7664N38	0000000


				151	172	51	323	64	1.03	No	4.5	IP69K	CE Marked, UL Recognized Component	7664N39	000000

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.

Square

	Overall							Mounting
	Ht.	Wd.	Dp.	Airflow, ft³/min	Temp. Range, ° F	Volume (Sound), dBA	Current, amp	Fasteners Included	Hole Dia.	Enclosure Rating	Certification		Each
Plastic Frame with Plastic Blades







				48V DC, Wire Leads

				3.62" (92 mm)	3.62" (92 mm)	1.5" (38 mm)	167	15 to 155	65	0.60	No	0.17" (4.4 mm)	IP68	CE Marked, TUV Rheinland Certified, UL Recognized Component	7703N17	000000


				4.72" (120 mm)	4.72" (120 mm)	1.5" (38 mm)	271	15 to 155	68	1.00	No	0.18" (4.5 mm)	IP68	CE Marked, TUV Rheinland Certified, UL Recognized Component	7703N21	00000

Thermoelectric Coolers

Cooler Shown with Extension

Bracket Installed


	Extension Brackets	Drain Kits

Also known as Peltier coolers, these coolers use electrical current to transfer heat away from your enclosure while sealing out contaminants. They cool the enclosure to below the ambient temperature. The solid-state thermoelectric components require no maintenance and take up less space than an air conditioner or heat exchanger.

Rated IP66 and NEMA 4X, these coolers withstand weather, washdowns, and corrosive environments. They meet American and European safety standards.

Thermostat Not Included—Coolers without a thermostat run continuously when powered. Add a thermostat, timer, or switch to turn them on and off.

Extension Brackets—An extension bracket holds the cooler away from the enclosure wall for more space inside the enclosure.

Drain Kits—Add a drain kit to remove moisture when condensation is likely, such as in humid environments and enclosures exposed to rapid temperature changes. The included hose directs water away from electrical components.

	Coolers													Extension Brackets		Drain Kits
					Overall			For Opening
	Cooling Cap., BTU/hr	Airflow, ft³/min	Wattage, W	Current, amp	Ht.	Wd.	Dp.	Ht.	Wd.	Environment	Mounting Fasteners Included		Each		Each		Each
Thermostat Not Included







				48V DC—Terminal Block

				850	70	250	9.3	15 3/4"	7 1/8"	6 11/16"	14 5/8"	6 1/8"	Corrosive, Dusty, Outdoor, Washdown, Wet	Yes	3836N17	000000000	3836N295	0000000	3836N24	0000000