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ASCO Avtron 2900 Portable Load Bank (500-700kW)

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1,150.00 LBS

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The ASCO Avtron 2900 (LPV500-700) Portable Resistive Load Bank is ideal for routine load testing of standby diesel generating systems at remote sites and factory production line testing of UPS systems, turbines, and engine generator sets. Compact and portable for load testing at multiple sites.


  • Load Capacity: Max capacity up to 500 or 700kW at 240 and 480 VAC 3PH 60Hz. Capacity derates at other voltages.
  • Duty Cycle: Rated for continuous operation.
  • Load Step Resolution: 5kW minimum at 240 & 480 VAC 3PH 60Hz.
  • Controller: Local manual control panel featuring Master Load ON-OFF switch, Load Step ON-OFF switches, Blower ON-OFF push buttons with a Blower Failure light, and Blower and Load Voltage selector switches.
  • Instrumentation: Digital monitoring via full digital metering (V, A, Hz, kW) with automated data acquisition and real time data logging, software IrDA converter supplied.
  • Control Power: Control circuit power from an external 120V, single phase, 15 amp power source. An integral control power transformer is available as an option.
  • Cooling Power: Blower motor obtains power from either the power source under test (motor connected to load bank main load bus) or from a remote power source.
  • Cooling System: Approximately 12,000 CFM cooling is provided by an integral blower motor. Vertical airflow and exhaust. The blower motor circuit is fuse and overload protected.
  • Load Elements: Avtron Helidyne Resistor Load Elements; no cool down period required.
  • Safety Features: Includes branch circuit fuse protection, and overtemperature & cooling air loss protection.
  • Load Connections: Copper bus bar with NEMA pattern provided in a load connection access box.
  • Enclosure: Heavy-gauge aluminized steel indoor enclosure with high quality baked polyester powder coated finish. Narrow width to fit through standard doorways and freight elevators. Handles, casters (two fixed and two moveable), lifting eyes, and forklift channels for easy mobility.
2900 Comparison Chart
Max Capacity
at Rated
Capacity at
208 & 416 VAC
500 kW at
240 & 480 VAC
375kW 61 x 34 x 75 1150
700 kW at
240 & 480 VAC
525 kW
61 x 34 x 75 1150


2900-LPV500-700 Spec Sheet

2900-LPV500-700 Drawing

Advanced Digital Monitoring System (ADMS) Spec Sheet

Avtron 2-Year Warranty


  • Control Power Transformer
  • Vinyl Storage Dust Cover
  • 20ft Load Cable Set
  • Cam-type Load Connections
2900 (LPV500-700)
Max Capacity Options:
500 or 700 kW
240/480 VAC (Capacity derates at lower voltages)
Phase / Frequency:
Three Phase / 60 Hz
Minimum Load Step Resolution:
Control Power:
External 120 VAC, Single Phase, 60 Hz (Control Transformer optional)
Blower Power:
From power source being tested or other external power source
Dimensions LxWxH (inches):
61 x 34 x 75
1150 lbs.
Limited Warranty:
2 Year

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