WF-66.4B, Intelligent Raised Floor Mount Fan Unit – Cool Air from Rack Top (2172 CFM @ 230V / 2104 CFM @ 208V)

WF-66.4B is an intelligent raised floor mount fan unit with 4 EC fans that intakes air from the rack top. It maximizes aisle containment cooling performance and minimizes hot spots in server rack.

Form Factor: Raised Floor Mount (Cool Air from Rack Top)
Product Series: Intelligent


  • Intakes cool air from rack top
  • Allows remote access over IP
  • Remote fan On / Off and status monitoring
  • Support SNMP V2 / V3 centralized management platforms
  • Free WF-04-S software for remote fan management
  • 2.8" touchscreen color LCD
  • 2 x bundled temp. sensors with 4M wire
  • Quad EC ( Electronically Communicated ) fans
  • Maximizes aisle containment cooling performance
  • Minimizes hot spots in server rack
  • Fan status & alarm alert
  • 2-year standard warranty ( upgradable up to 5 years )
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InfraCool Intelligent Raised Floor Mount Fan WF-66.4 consists of four high performance and quality EC fans, providing CFM up to 2100 and unit MTBF up to 50,000 hours. It delivers strong cool air from the top of the rack to the underfloor via the contained aisle to high density server racks to eliminate hot spots. Remote access over IP for fan monitoring and management.

WF-66.4 not only maximizes CRAC efficiency, but also saves the energy cost. Well-designed mounting kit offers user a quick and easy installation into a new project deployment or retrofit. Install on 600 x 600mm raised floor and no rack movement is required.

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    WF-66.4B Specifications

    SKU WF-66.4B



    , ,

    Product Series


    Form Factor

    Raised Floor Mount, Raised Floor Mount (Cool Air from Rack Top)


    4 Fans

    Fan Capacity

    543 CFM (230V), 526 CFM (208V)

    Max. Total Fan Capacity

    2104 CFM (208V), 2172 CFM (230V)

    Control Method

    Local, Web-based GUI



    Front Panel LED Yes
    Local Temperature Monitoring Yes
    Remote Temperature Monitoring Yes
    Remote Access via Web Browser Yes
    Manual Fan Speed Control N/A
    Automatic Fan Speed Control N/A
    Local Fan Unit ON / OFF Yes
    Remote Fan Unit ON / OFF Yes
    Local Individual Fan ON / OFF Yes
    Remote Individual Fan ON / OFF Yes
    Temperature Alarm Setting Yes
    Reporting Yes
    Dimensions 520 × 540 × 65 mm
    ( 21.26 x 20.47 x 2.56 in )

    Support & Downloads

    Technical Support

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      Package Icon

      Package Contents

      • (1) WF-66.4B Raised floor fan unit
      • (1) 6ft power cord
      • (2) IG-T01-4M Magnetic temperature sensor (13ft wire)
      • (1) Support bracket, left & right side
      • (4) Bracket fixing plate
      • (8) M8 screw & nut ( for fixing plate )
      • (4) M5 screw

      2 Years Standard Warranty

      on all purchases. Expandable up to 5 years.

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      High-quality Build with Certifications for any application

      Product Warranty

      2 years standard warranty on all purchases. Expandable up to 5 years.


      All our products are extensively tested and certified to the highest standards.


      High-quality build with many years of in-market testing.

      Global Support

      Extensive authorized distributions network around the globe.

      Customer Commitment

      Enhance customer competitiveness through our world class quality solutions and services.

      Go Green Business

      BSI ISO9001 / ISO14001 accredited ensuring maximum operating efficiency.

      About Austin Hughes

      Design. Manufacturing. Global Services.

      Founded in 1995. Austin Hughes is a design and manufacturing group that offers a broad range of solutions based around 19 inch rack mount technology.

      These solutions include InfraRack Intelligent racks, UltraRack IT server racks, InfraAisle cold aisle containment, InfraSolution® SmartCard access control & monitoring for global branded racks, InfraPower® intelligent kWh power management, InfraCool® intelligent airflow management, InfraGuard rack environmental sensor system, CyberView™ dedicated KVM switch & rackmount display and UltraView professional LCD screen.

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