172x150x51mm, 48VDC, 255 CFM, 4 Wire Leads, PWM Speed Control & Speed Sensor, IP56, Ball Bearing DC Axial Fan


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FDD1-17251EBLW3B-L56 DC Axial Fan

Motor: Brushless DC
Motor Protection: IC
Bearing Type: Two Ball
Connection: UL 1007 AWG 22, 360mm Wire Leads
Impeller Material: Plastic UL94V-0
Frame Material: Aluminum Alloy
Operating Temp: -20°C~70°C
Life Expectancy: 100,000 Hours
IP Rating: IP56M
Approvals:  UL, cUL, TUV, CE
Special Function: PWM Speed Control & Speed Sensor


Additional information


Size (mm)


Current (A)

Power (W)

Rated Speed (RPM)

Airflow (CMM)

Airflow (CFM)

Static Pressure (InAq)

Static Pressure (mmAq)

Noise Level (dB/A)

Weight (g)





Motor Protection

Frame Material

Impeller Material

Min Operating Temp (°C)

Max Operating Temp (°C)

Life Expectancy (Hrs)

IP Rating

Special Functions


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Print Certificates

September 29, 2023

Certificate of RoHS Compliance

Qualtek Electronics certifies the following part number FDD1-17251EBLW3B-L56 is RoHS Compliant 2011/65/EU Ammended to 2015/863/EU

Certificate of REACH Compliance

We, Qualtek Electronics Corporation, declare that the following part number FDD1-17251EBLW3B-L56 does not contain any SVHC substances listed in ECHA’s website: http://echa.europa.eu/chem_data/authorisation_process/candidate_list_table_en.asp of June 2023 in concentrations greater than 0.1% (w/w), and does not contain any substances as described in Annex XVII.


Qualtek Electronics Corporation products do not contain any chemicals considered PoP, Persistent Organic Pollutants, Directive (EU) 2019/1021.

EU Biocides

Qualtek Electronics Corporation certifies that bicoides are not used in products or packaging materials and meet the requirements set by the Biocidal Regulation (BPR) EU 528/2012.

California Proposition 65 Information Can be found at:

Prop 65 Statement

Qualtek Electronics • 7610 Jenther Drive • Mentor, OH 44060 USA