MD Series 5.51 in. (140mm) DC Axial Fans

These compact axial fans use high-performance brushless DC motors. They are optimal for cooling equipment. Built-in alarm types are also available that detect and signal fan rotation abnormalities or stoppages. These fans meet UL, CSA, EN/IEC standards and CE Markings (EMC).

DC Input
Frame sizes 5.51 in. (140 mm)
Maximum airflow up to 205 CFM (5.8 m3/min)
Alarm types available

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Items	MDS1451-24 5.51 in. (140 mm) MD Series S Type (Standard) Axial Fan (24 VDC) Web Price $87.00 Add To Cart Request Quote	MDE1451-24L2 5.51 in. (140 mm) MD Series E Type (Long Life) Axial Fan with Stall Alarm - Electronic (24 VDC) Web Price $97.00 Add To Cart Request Quote	MDA1451-24 5.51 in. (140 mm) MD Series A Type (with Alarm) Axial Fan with Low Speed Alarm (24 VDC) Web Price $110.00 Add To Cart Request Quote	MDA1451-24L 5.51 in. (140 mm) MD Series A Type (with Alarm) Axial Fan with Stall Alarm (24 VDC) Web Price $98.00 Add To Cart Request Quote
Frame Size	- 5.51 in140 mm
Thickness	- 2.01 in.51 mm
Power Supply	- 24 VDC
Current	- 0.7 A	- 0.70	- 0.70	- 0.70
Type	- S Type (Standard)	- E Type (Long Life)	- A Type (with Alarm)	- A Type (with Alarm)
Function	- None	- Stall Alarm - Electronic	- Low Speed Alarm - Electronic	- Stall Alarm - Electronic
Connection Type	- Lead Wire
Fan Speed Type	- Standard Speed	-	-	-
Speed (r/min)	- 3150
Max. Air Flow	- 205 CFM 5.8 m³/min
Max. Static Pressure	- 0.521 inH₂O 130 Pa
Noise Level	- 49 db (A)
RoHS Compliant	- These products do not contain substances that exceed the regulation values in the RoHS Directive.
Safety Standards	- UL CE

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