ebm-papst: New Generation of Compact Fans

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ebm-papst: New Generation of Compact Fans-Image

The first compact fan from the S-Panther generation - 3250J

With the 3250J, the new S-Panther generation can now also offer a high-performance compact fan of size 92mm x 92mm x 38mm.  This fan is ideal for dissipating large quantities of heat in confined spaces.

As compared to the 3200J from the S-Force generation, the new 3250J (S-Panther) is a good deal quieter and attains an almost identical air performance despite its lower speed.  It is superior to the 3200J series in terms of efficiency.  

Further advantages of the new fan range include new operating ranges and a leaner product line, as certain 3200J series fans are no longer required.

There are currently three different product versions with a nominal voltage of 48V.

The 24V versions are already available on request, with the 12V versions to follow shortly.

Performance range of the compact fan 3205J series:

  • The air flow (free air) of the 3258JH3P fan is 270 m3/h, making it the most powerful model in the new fan range.  The 3258JHHP generates an air flow (free air) of 235 m3/h.
  • In contrast to the 3200J (S-Force), the fan operates optimally in a slightly higher air flow range and is suitable for lower back pressure.  This opens up new areas of application demanding a lower noise level.


Advantages of the compact fan 3250J series:

The GreenTech philosophy again played a decisive role in the development of the new 3250J (S-Panther) and offers customers a whole range of advantages:

  • Enhanced noise characteristics as compared to the 3200J (S-Force) and 3200J
  • Efficiency superior to 3200J
  • Improved air performance at the same speed (in direction of free air range)
  • Cost optimization thanks to fan design adaptation
  • Optimized shaft/hub joint
  • Optimized power electronics
  • Optimized plastic bearing tube
  • Longer service life
  • Air flow-oriented curve
  • Lower power consumption
  • Lower than with 3200J with comparable air performance



  • Bearing Type:  Ball
  • Fan Type:  Tubeaxial
  • Material - Blade:  Polyamide (PA), Nylon
  • Material - Frame:  Polybutylene Terephthalate (PBT)
  • Noise:  59.0 dB(A) ~ 64.0dB(A)
  • Operating Temperature:  -4 ~ 158°F (-20 ~ 70°C)
  • Power (Watts):  24W ~ 35W
  • RPM:  6650 RPM ~ 7450 RPM
  • Size / Dimension:  Square - 92mm (L) x 92mm (H)
  • Termination:  3 wire leads ~ 4 wire leads 
  • Voltage - Rated:  12VDC ~ 48VDC
  • Weight:  0.529 lb (239.95g)
  • Width:  38.00mm


Applications of the compact fan 3250J series:

  • IT telecommunications (switch cabinets, IT servers, IT power supply units)
  • Automation
  • Frequency converters
  • Solar inverters
  • Refrigeration technology (refrigerated display cases)
  • Medical technology


About ebm-papst Inc.:

ebm-papst Inc. is headquartered in Farmington, CT

  • 250K sq ft
  • 20 regional offices
  • 275 employees 
  • Value added
  • Complete air testing lab on site
  • Complete sound testing chamber on site
  • CFD simulation capabilities on site
  • ISO 9001 and 14001 certification
  • Distribution from Farmington (CT) and Toronto
  • National distributor locations

With offices in major cities throughout North America, our highly-skilled and experienced team of professionals are ready to tackle your most difficult air moving challenges and offer solutions that meet your needs.  We serve all markets including Agriculture, Air-Conditioning and Ventilation, Appliance, Commercial Refrigeration, Heating, Industrial, Lighting, IT/Telecom, Medical, Transportation and more.  You can always count on prompt, courteous service.  Customer satisfaction is our number one priority.

Expert support when and where you need it

Knowledgeable field sales professionals are close by for face-to-face meetings.  Dedicated inside sales associates fulfill all your ordering requirements.  To assist you with order management, our Customer Relations department provides automated services such as shipment notifications, reorder notifications, and invoicing.

To find the right air moving solution for your needs, our experienced application engineers are at your service to answer all your product application questions.  Our on-site testing lab is available to our customers for product/prototype testing.  We offer air flow, noise, environmental (including Salt Fog chambers), and temperature testing.  Burn-in ovens are also available.

Our electrical engineering team, with diverse industry and product design backgrounds, provides a full range of services including hardware and software design, analysis and testing, and electronics manufacturing.  Some of the services performed in our on-site lab are circuit analysis, reliability and environmental testing, prototype build and testing, test equipment design and build.

Value added to meet all your needs

ebm-papst, the world's leading source for engineered air movement solutions, provides a "total solution" approach to your cooling requirements using our extensive in-house resources.  Custom assemblies are designed by our engineers to your specifications for a wide range of applications.

Core Competencies: Motor technology, aerodynamics and electronics

Design and Build:  Hardware and software, test equipment and prototypes

Testing & Analysis:  Acoustic, air flow, electrical engineering, environmental, reliability and CFD simulation

Equipment:  Acoustic test chamber, air test chamber, burn-in oven, powder paint line and sheet metal fabrication

Logistics and inventory management programs

We have over 90,000 sq ft of climate-controlled warehousing at our facilities offering real-time inventory transactions and bar-coded inventory.  Inventory management programs can be customized to your requirements.