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Avtron K875A-MV Load Bank (500-3000kW)

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The Avtron K875A-MV load bank has been renamed and is now the Avtron 9800 load bank. Please visit our new product page here for current information and pricing.

The Avtron K875A-MV medium voltage permanent load bank provides a convenient and economical means of testing power sources at utility voltages. Incorporating an integrally mounted step-down transformer, the K875A-MV provides resistive load testing for power sources at 2400, 4160, 12,470, or 13,800 volts (other voltages are available). The single skid mounted load bank system makes it practical for transportation and set up with single point termination of diesel or turbine generator sets. It is used for resistive testing medium voltage power sources in factory production lines or in the field after installation.


  • Provides a convenient and economical means of testing power sources at utility voltages
  • Ideal for resistive testing medium voltage power sources in factory production lines or in the field after installation
  • Incorporates state-of-the-art load bank design features and manufacturing techniques to provide years of trouble free service
  • Utilizes a modular design with common parts shared throughout product range to assure quick delivery, easy installation, and simple operation and maintenance
  • Enclosure is constructed of heavy gauge aluminized steel with stainless steel exterior fasteners
  • Structural skid base designed to support step-down transformer, load bank, and interconnecting wiring
  • Skid is provided with lifting provisions at each corner
  • Vertical air discharge for installation in areas where space is at a premium - such as the rooftops of high-rise buildings
  • Weatherproof exhaust hoods provide maximum protection to the resistor cases and blower assemblies
  • Resistive elements made from corrosion resistant chromium alloy wire and fully supported with stainless steel rods
  • Slide out resistor cases
  • Resistive elements air-cooled by integrally mounted blower motors rated at 10 HP, 460 VAC, 3 Phase, 60 Hz
  • No additional cooling period is required when the load is removed
  • 19" rack mounted control panel provided loose for remote mounting
  • POWER ON-OFF switch with POWER ON light
  • Blower ON-OFF push buttons with a BLOWER FAILURE light
  • Load step ON-OFF toggle switches
  • Branch circuit fusing on all load steps
  • Overtemperature protection with overtemperature light
  • Differential pressure air switches on blowers electrically interlocked to remove load in case of insufficient cooling airflow
  • TRANSFORMER: Outdoor construction, Dry-Type designed for 150° C rise (220° C insulation system) with secondary fusing; primary protection, disconnect or circuit breaker provided by others


K875A-MV Spec Sheet


  • ADMS Digital Metering (V, A, KW, Hz) with Communicator EXT Data Logging Software
  • SIGMA Network Control
  • International 50/60 Hz Voltages
  • Other kW/Voltage Ratings
Max Capacity Options:
500, 750, 1000, 1500, 2000, or 3000 kW
Voltage Options:
2400V, 4160V, 12,470V, or 13,800V
Phase / Frequency:
Three / 60 Hz
Minimum Load Step Resolution:
5 or 50 kW
Control Power:
120 Volts, 1-Phase (derived from integral control transformer)
Dimensions LxWxH (inches):
Weight - Load Bank:
Limited Warranty:
1 Year

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