Series HIX: Cross Flow

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Cross Flow Heat Exchangers

VoltAire Systems’ HIX Series Cross Flow Heat Exchangers are designed to remove heat from telecom cabinets, telecom enclosures, OSP infrastructures, Industrial Applications, and Mission Critical Solutions that have sensitive electronics, servos, DC drives, or telecommunications equipment that needs protection from harsh environments. All of our heat exchangers are closed loop cooling ensuring an interior cabinet environment free of dust and humidity.


NEMA 4 (4X)

UL 1995

File # SA44643


Standard Features

  • UL Recognized
  • Closed-loop certified UL Type 4(X) cooling for outside plant applications
  • Fan speed and alarm control board (48VDC models only)
  • High-performance centrifugal fans
  • Epoxy-coated aluminum cross-flow core
  • Designed in accordance with GR-487 specifications
  • Stainless steel hardware
  • Powder coated aluminum cover
  • Corrosion resistant Acrylume enclosure

Optional Features

  • Stainless steel cover
  • Fan on/off temperature control (115/230VAC Models)
  • Custom paint finishes


  • Radio base stations
  • Telecom shelters and indoor / outdoor OSP cabinets
  • Network switching rooms and computer rooms
  • Automation control cabinets, process control centers
  • CNC machines
  • Drive cabinets
  • Mining equipment
  • Oil and gas equipment
  • Solar cabinets
  • Power distribution cabinets
  • Digital advertisement boards, kiosk display systems
  • Power supply cabinets, battery cabinets, and rectifier cabinets

Proudly Engineered, Tested, and Manufactured in the USA

Technical Data

ModelHIX18 (48VDC Only)HIX25 (48VDC Only)HIX35HIX45HIX55
Cooling Capacity18W/F- 33W/C25W/F- 45W/C35W/F-63W/C45W/F-81W/C55W/F-99W/C
Operation Temperature (°F / °C)-40 to 158 / -40 to 70
Sound at 3m (dBa)6061646568
Electrical Data
Voltage InputCurrent Draw (Amps)
48 VDC1.
115 VAC (50/60Hz)Not AvailableNot Available3.43.43.5
230 VAC (50/60Hz)Not AvailableNot Available0.91.91.9
Unit Dimensions
Height (in/mm)22.8 / 579
35.5 / 902
Width (in/mm)11.8 / 30017.6 / 447
Depth (in/mm)4.8 / 1225.3 / 1355.3 / 1356.5 / 1658.5 / 216
Weight (lbs/kg)19.2 / 8. 720.1 / 9.140.3 / 18.345.6 / 20.747.5 / 21.5

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