MRF-33.9A, Intelligent (Master) 33U Door Mount Fan Panel (Model A) – 9 Fan Kit (972 CFM)

MRF-33.9A is an intelligent master 33U door mount fan panel (9 fans). It extracts hot air out (rear door outside setup), or intakes cool air in (front door inside setup).

Form Factor: Rear door outside (Extract airflow) / Front door inside (Intake airflow)
Product Series: Intelligent (Master)


  • Rear door outside (Extract airflow) / Front door inside (Intake airflow) mount
  • Easy installation with common tools
  • Thin & light weight design only 5 kgs / 11 lbs
  • Designed for low noise & high airflow performance
  • Improves extraction of heat from high density rack
  • Cascade ports for daisy chain up to 16 levels via Cat6 cable
  • 1 x intelligent Master IP fan unit allows access to 16 fan unit levels over internet
  • Free ICM-02 management software remote access up to 480 fan units
  • Auto & manual CFM setting reduces power consumption
  • 1 x bundled temp. sensor with 2M wire
  • Temperature sensing technology adjusts the fan speeds accordingly
  • Unit or individual fan on / off ( remote or local )
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  • 48V, 24V or 12VDC power option


With today’s high-density heat loads inside server racks, cooling should be an integral part of the rack equipment. InfraCool Intelligent Door Mount Fan Panel (MRF-33.9A) is designed to provide local and remote management capabilities.

Up to 16 fan units can be connected by daisy chain and remotely accessed by one single IP address. Maximum 30 x daisy chain group ( i.e. 480 x Fan Unit ) can be remotely managed by the free GUI. Front panel LED and buttons allow local monitoring and individual fan kit switch on / off.

Fan speed can be set to automatically adjust based on temperature changes being detected by the sensor. The intelligent fan units provide improved airflow whilst reducing operational costs associated with data center energy consumption.

Model Installation Airflow Purpose
MRF / RF-33.9A Rear door outside Extract airflow Exhaust air out from rack
Front door inside Intake airfow Cool air in from aisle
* Package includes the material of clear polycarbonate plastic to block off the remaining open perforated area of the door to eliminate bypass air.
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    MRF-33.9A Specifications

    SKU MRF-33.9A



    , ,

    Product Series

    Intelligent (Master)

    Form Factor

    33U Door Mount, Rear door outside (Extract airflow) / Front door inside (Intake airflow)


    9 Fans

    Fan Capacity

    108 CFM

    Max. Total Fan Capacity

    972 CFM

    Control Method

    Local, Web-based GUI, SNMP, Remote IP Software


    16 Levels

    Front Panel LED Yes
    Local Temperature Monitoring Yes
    Remote Temperature Monitoring Yes
    Remote Access via Web Browser Yes
    Manual Fan Speed Control Yes
    Automatic Fan Speed Control Yes
    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

    50,000 Hours



    Dimensions 43 × 195 × 1466 mm
    ( 7.68 x 1.69 x 57.72 in )

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      Package Icon

      Package Contents

      • (1) MRF-33.9A 33U door mount fan panel
      • (1) IG-T01-2M Magnetic temperature sensor (6ft wire)
      • (1) 6ft power cord
      • (6) Mounting screw ( attached with the unit )
      • (1) Air blocking material
      • (0) F-HBK Hanging bracket kit
      • (1) 2-Year standard warranty upgradable up to 5 years

      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.


      CE, FCC, REACH, RoHS3 Certified, and TAA Compliant.


      MTBF (Mean-Time-Between-Failure) of 50,000 Hours.

      Global Support

      Extensive authorized distributions network around the globe.

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      RoHS3 Compliant

      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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