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ASCO Avtron 2905 Portable Load Bank (700kW)

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1,150.00 LBS

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The ASCO Avtron 2905 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 700kW at 240 and 480 VAC 3PH 60Hz. Capacity derates to 525kW at 208 and 416VAC 3PH 60Hz.
  • Duty Cycle: Rated for continuous operation.
  • Load Step Resolution: 5kW minimum at 240 & 480 VAC 3PH 60Hz.
  • Controller: Local manual-control via SIGMA LT digital push-button toggle switches and status LED indicators. Controls include Control Power ON/OFF with LED status, Voltage Select with LED status, Master Load with LED status, and LOCAL/REMOTE with LED status. Individual Load Step pushbuttons with LED status for every load step.
  • Instrumentation: Full digital metering included for monitoring of Volts, Amps, Frequency, and kW.
  • Control Power: An integral control power transformer is provided for control circuit operation.
  • 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: Quick-connect male cam-type connectors. Six cam-connections per phase plus two ground.
  • 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.


2905 Spec Sheet

2905 Drawing

SIGMA LT Control Brochure

Avtron 2-Year Warranty


  • 4.3" color touch screen with easy to navigate screens.
  • USB port provided for data download and software updates.
  • Housed in a rugged and easy to grip industrial grade enclosure.
  • Enables networking of up to 25 load banks for higher capacity testing.
  • Operator can control the entire load bank string or any individual unit within the string.
  • Extremely fast and reliable CANbus communication protocol reduces network sag which is typically found in RS232 network load banks.
  • A 5 or 10 meter multi-pin communication cable is required to connect the remote controller to the load bank and to connect each load bank in the string.

OPTIONS (See Accessories Tab)

  • Steadypower 20ft or 50ft Cable Set.
Max Capacity Options:
700 kW
240/480 VAC (Capacity derates at lower voltages)
Phase / Frequency:
Three Phase / 60 Hz
Minimum Load Step Resolution:
Control Power:
Integral Control Power Transformer included
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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