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Frame-Reducing Brackets for Frames or Grid Straps

Bulletin Number:

  • A3RHD
  • Material:

  • Aluminum
  • Industry Standards:

    UL 508A Listed; Type 3R; File Number E61997 cUL Listed per CSA C22.2 No 94; Type 3R; File Number E61997 NEMA/EEMAC Type 3R IEC 60529, IP22
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    Description:

    Hoffman excels at modifying and customizing products to your specifications. Modification options for WeatherFlo HD include: size changes, custom paint, and holes and cut-outs. Contact your local Hoffman sales office or distributor for complete information.

    Applications:

    WeatherFlo HD Enclosures are designed to protect and cool 100-500 HP variable frequency drives. These enclosures provide an integrated cooling solution for your VFD application needs.

    Features:

  • Optional impeller packages provide 840 actual CFM per impeller
  • Easy-to-install back panel with flexible installation methods
  • Painted white polyester powder finish with low solar absorption
  • Selectable bases and tops, designed to meet your specific needs
  • Gangable; enclosures can be joined to one another
  • Easy-to-change filter (not included)
  • Specifications:

  • Frames, bases and gland plates constructed of .125-in. aluminum
  • Tops and fan housing constructed of .080-in. aluminum
  • Sides and standard rear cover constructed of .100-in. aluminum
  • Gasketed door, top and base
  • Panels and heavy-duty rear cover constructed of 12 gauge mild steel
  • Three-point latches operated by patented padlocking handle
  • Grounding provisions on door and body
  • Finish:

    RAL 9003 white polyester powder paint finish inside and outside, including panels, tops, covers and bases.

    Accessories:

  • InterSafe Data Interface Ports, Type 4/4X/12
  • PaneLite Enclosure Lights Overview
  • Thermoplastic Data Pocket
  • H2Omit Thermoelectric Dehumidifier
  • Stainless Steel Window Kits
  • Ordering:

  • For your specific needs please identify and order each individual component.
  • 1. Select frame
  • 2. Select top, dependent on cooling solution
  • 3. Select base, dependent on cooling solution
  • 4. Select panel
  • 5. Select rear cover, HD rear cover designed for applications when the drive is mounted on rear cover instead of the panel
  • 6. Select number of Impellers (if needed), room for two impellers per door
  • Please see Product Selection Matrix on page 4.
  • Modifications and Customizations:

    Hoffman excels at modifying and customizing products to your specifications. Modification options for WeatherFlo HD include: size changes, custom paint, and holes and cut-outs. Contact your local Hoffman sales office or distributor for complete information.
    Drawings and Technical Publications are available by clicking the "Items" tab. Select your desired Catalog Number and click on the Downloads tab for that particular catalog number.
     
    Catalog Number A in. B in. C in. Description
    Catalog Number A in. B in. C in. Description
    74.14 36 30 One-Door Frame
    74.14 68.56 30 Two-Door Frame