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nVent HOFFMAN: WeatherFlo HD One-Door Frame Type 3R

July 24, 2024

nVent 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.

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.

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

WeatherFlo 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)
  • 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
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