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Mosebach XL400 Portable Load Bank (400kW)

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800.00 LBS

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The Mosebach XL400 Portable Resistive Load Bank is ideal for testing and maintaining generators and UPS Systems up to 400 kW.


  • Load Capacity: Up to 400kW at 240 & 480 VAC 3PH 60Hz. Derates to 300kW at 208 VAC 3PH 60Hz.
  • Duty Cycle: Rated for continuous opertion.
  • Load Step Resolution: 5kW at 240/480V.
  • Controls: Local manual control panel includes Power On/Off switch, Master Load On/Off switch, and Individual Load Step switches.
  • Instrumentation: Digital metering (V, A, Hz, kW) and data logging via a USB port.
  • Control/Cooling Power: From internal load or external 240 or 480V 3PH source.
  • Cooling System: Panel cooling fan.
  • Load Elements: Mosebach’s Cross Wire Resistor have no ceramics and therefore are lighter and more durable than any other resistor on the market today. The resistors are supported by high temperature Mica supports.
  • Safety Features: Over-temperature and over-voltage sensors.
  • Load Connections: Quick disconnect cam-type male connectors on the back of the load bank (3 per phase, 1 ground).
  • Enclosure: Lightweight aluminum indoor enclosure with casters and forklift channels. Control Panel Cover and Louvers (as shown in picture) are optional accessories (see below).


XL400 Spec Sheet

Multi-Unit Remote Control Software Brochure


  • Multi-Unit Remote Control Software Kit
  • Control Panel Cover and Louvers (for Outdoor Use)
  • Louver Covers (for Outdoor Use)
  • Starter Spare Parts Kit
  • Extended Warranty
  • NRTL Certification
  • Single Voltage Options
  • Load Cable Set


  • Steadypower 20ft or 50ft Cable Set
Max Capacity:
400 kW at 480 & 240 VAC 3PH (Derates to 300kW at 208 VAC 3PH)
Three Phase Voltages:
480, 240, 208
Load Step Resolution:
5kW at 240 & 480V 3PH (Derates at other voltages)
Control/Blower Power:
From internal load or external 240 or 480V 3PH source.
Dimensions LxWxH (inches):
50 x 34 x 59
800 lbs.
1 Year Parts and Labor; 2 Years Resistors
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