MD Series 3.15 in. (80mm) DC Axial Fans

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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 3.15 in. (80 mm)
Maximum airflow up to 74.8 CFM (2.12 m3/min)
Alarm types available

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Unit of Measure

Items	MDS825H-24 3.15 in. (80 mm) DC Axial Fan Web Price $51.00	MDA825-24 3.15 in. (80 mm) DC Axial Fan with Alarm Web Price $42.00	MDP825-24L 3.15 in. (80 mm) Splash-Proof DC Axial Fan Web Price $105.00	MDV825-24S 3.15 in. (80 mm) Variable Speed DC Axial Fan Web Price $78.00	MDS825-24 3.15 in. (80 mm) DC Axial Fan Web Price $33.00
Frame Size	- 3.15 in80 mm
Thickness	- 0.98 in.25 mm	- 1 in.25 mm	- 1 in.25 mm	- 1 in.25 mm	- 0.98 in.25 mm
Power Supply	- 24 VDC
Current	- 0.2 A	- 0.14	- 0.07 A	- 0.44 A [100% PWM Duty] 0.06 A [0% PWM Duty]	- 0.10 A
Type	- S Type (Standard)	- A Type (with Alarm)	- P Type (Watertight)	- V Type (Variable Speed)	- S Type (Standard)
Function	- None	- Low Speed Alarm - Electronic	- Stall Alarm - Electronic	- Pulse Sensor	-
Connection Type	- Lead Wire
Fan Speed Type	- High Speed	-	-	-	- Standard Speed
Speed (r/min)	- 4500	- 3800	- 2900	- 5600 [100% PWM Duty] 1400 [0% PWM Duty]	- 3400
Max. Air Flow	- 53 CFM 1.5 m³/min	- 35.3 CFM 1 m³/min	- 36.4 CFM 1.03 m³/min	- 74.8 CFM [100% PWM Duty] 17.7 CFM [0% PWM Duty] 2.12 m³/min [100% PWM Duty] 0.50 m³/min [0% PWM Duty]	- 42.4 CFM 1.2 m³/min
Max. Static Pressure	- 0.322 inH₂O 80.4 Pa	- 0.196 inH₂O 49 Pa	- 0.142 inH₂O 35.3 Pa	- 0.694 inH₂O [100% PWM Duty] 0.041 inH₂O [0% PWM Duty] 173 Pa [100% PWM Duty] 10.3 Pa [0% PWM Duty]	- 0.192 inH₂O 48 Pa
Noise Level	- 40 db (A)	- 35 db (A)	- 29 db (A)	- 52 dB (A) [100% PWM Duty] 18 dB (A) [0% PWM Duty]	- 34 db (A)
RoHS Compliant	- These products do not contain substances that exceed the regulation values in the RoHS Directive.
Safety Standards	- TUV UL CSA	- UL CE	- TUV UL CSA	- TUV UL	- TUV UL CSA

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