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ebm-papst 3250J: Panther-like quietness from aeroacoustic blade design
Introducing the new 3250J product series! These new high-performance compact fans measure only 92 mm x 92 mm x 38 mm and are ideal for dissipating heat in limited space environments with lower system resistances.
  • New high performance motor
  • Robust housing made of fiberglass-reinforced plastic
  • Impeller noise optimization attributed to new aeroacoustic design & turbulator
  • More ecological operation

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The proven 3200J S-Force series of fans run at very high speeds to maintain performance against high system resistance. The 3250J S-Panther series extends this application range with fans designed specifically for lower system resistances, therefore operating at more moderate speeds. In addition, the impeller has added aeroacoustic improvements – including an artificially generated surface disturbance on the blades which acts as a turbulator – delaying an impending stall. These changes result in a substantial lowering of acoustic noise.  

Primary Advantages:  Decreased Noise with Increased Efficiency

Featuring an updated aeroacoustic impeller blade design with turbulator, the 3250J S-Panther series offers substantially improved acoustic characteristics. The sound power of the S-Panther is far lower than that of other fans, particularly in the higher frequency ranges starting at 1250 Hz. Operating at lower speeds, the 
S-Panther fans also achieve a 20-25% improvement in bearing life over the S-Force fans.  

A comparison of the 3258J/2H3P S-Panther to the 3218JH3 S-Force at an operating point of 110 CFM at 0.6” shows a reduction of 4 dB(A) in sound power for the S-Panther fan. The maximum free air flow in this series (158 CFM) is provided by the 3258J/2H3P at a sound power level (SPL) of 77 dB(A). At the other end of the spectrum, the 3258J/2HP generates a free air flow of 85 CFM at an SPL of only 58 dB(A). These SPLs are 5-6 dB(A) lower than S-Force fans at the equivalent air flow. 

Technology

  • New high performance motor
  • Robust housing made of fiberglass-reinforced plastic
  • Impeller noise optimization attributed to
    • New aeroacoustic design
    • Turbulator
  • More ecological operation
    • Reduced power consumption
    • Efficiency superior to 3200J

 

Special Options

  • Speed signal (included)
  • Go / No-go alarm 
  • External temperature sensor 
  • Internal temperature sensor 
  • PWM control input 
  • Analog control input 
  • Protection against moisture 
  • Protection against salt spray fog
  • Protection class IP54, IP68

 

Markets and Applicatons

  • IT / Telecom
    • IT servers
    • IT network devices
    • Switch cabinets
  • Automation
  • Solar Inverters
  • Frequency Converters
  • Commercial Refrigeration
  • Medical Technology

 

Approvals

  • UL
  • CE
  • CSA
  • VDE
RESOURCES
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PRODUCT RANGE
Product ID INFO / IMAGE PART NUMBER   SUPPLIER  DESCRIPTION   AVAILABILITY   PRICING  
45608979 3258J/2H3P ebm-papst DC Fan Axial Ball Bearing 48V 36V to 56V 158CFM 64dB 92 X 92 X 38.15mm
1-9 :$67.0020 CAD
10-24 :$63.6449 CAD
25-49 :$60.4682 CAD
More
»
48160019 3252J/2H3P ebm-papst DC Fan Axial Ball Bearing 12V 7V to 13.2V 158CFM 64dB 92 X 92 X 38.15mm
1-9 :$67.0020 CAD
10-24 :$63.6449 CAD
25-49 :$60.4682 CAD
More
»
45608993 3258J/2H3PU ebm-papst Fan, Axial, 48VDC, 92x92x38mm, 158.9cfm, 33.6W, 7450rpm, Ball Bearing, IP68
1-9 :$82.6635 CAD
10-24 :$78.5296 CAD
25-49 :$74.6038 CAD
More
»
48160018 3254J/2H3P ebm-papst DC Fan Axial Ball Bearing 24V 14V to 26.4V 158CFM 64dB 92 X 92 X 38.15mm PWM
1-4 :$86.0483 CAD
5-9 :$76.6291 CAD
10-24 :$70.1093 CAD
More
»
48160020 3258J/2HHP ebm-papst DC Fan Axial Ball Bearing Voltage: 48V,Flow Rate: 138.32CFM, Noise: 59dB, Dimensions: 92 X 92 X 38.15mm
1-4 :$83.0935 CAD
5-9 :$78.5296 CAD
10-24 :$75.8246 CAD
More
»
48160021 3258J/2HHPU ebm-papst Fan, Axial, 48VDC, 92x92x38mm, 138.3cfm, 24.3W, 6650rpm, Ball Bearing, IP68
1-9 :$82.6635 CAD
10-24 :$78.5296 CAD
25-49 :$74.6038 CAD
More
»


Resources
3DBlueHeaderSlice EBM-PAPST: ebm-papst 3250J: Panther-like quietness from aeroacoustic blade design
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