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Avtron K711H Radiator Cooled Load Bank (5-500kW)

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Avtron K711H "Roof Top" Load Banks are designed for horizontal mounting on sound attenuated enclosures and are available in a variety of frame dimensions. The load banks are permanently mounted and sized to match the exhaust opening. The load bank utilizes the engine cooling air rather than an internal cooling fan found on conventional load banks.


  • Intended for use as a supplemental load for lightly loaded engine generator sets.
  • Helps burn-off harmful carbon deposits in generator engine to increase engine life.
  • Recommended sizing of radiator load bank at 40-60% of engine nameplate rating.
  • Designed for horizontal installation on sound attenuated enclosures.
  • Utilizes engine cooling air rather than an internal cooling fan found on conventional load banks.
  • Corrosion resistant aluminized steel frame with exhaust screening for continuous outdoor operation.
  • Lifting eyes included to simplify installation.
  • Fully supported Avtron Helidyne (TM) resistive load elements made of corrosion resistant chromium alloy wire.
  • Engineered to operate at conservative temperature ratings for more stable loading and extended resistance element operating life.
  • No cool down period needed after load bank operation.
  • Built-in thermal switch drops all load if an over-temperature condition is detected.
  • Remote wall-mount control panel with POWER ON/OFF switch, MASTER LOAD ON/OFF switch, and individual load step toggle switches for application of individual load sections.


  • Control Power Transformer
  • Automatic Load Step Controller
  • ADMS Digital Metering System, Remote Mounted
  • Remote Rack-mounted Control Panel with Enclosure
  • Remote I/O for Interface with Switch Gear
  • Designs for International 50/60 Hz voltages
Max Capacity Options:
5-500 kW
Three Phase
Voltage Options @ 60 Hz:
208, 240, 480,or 600 VAC
Voltage Options @ 50 Hz:
380, 400, or 416 VAC
Load Step Resolution Options:
As required
Control Power:
External 120 VAC, single phase, 50/60 Hz (Control transformer optional)
Dimensions LxWxH (inches):
As required - varies per application
Varies per application
Limited Warranty:
1 Year

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