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Simplex Atlas-Megawatt Portable Load Bank

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2,500.00 LBS

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The Simplex Atlas-Megawatt portable resistive load bank is designed to provide manufacturers, distributors, and users of large AC generators and UPS systems with sophisticated testing capability up to 1000kW.


  • Load Capacity: Max capacity of 1000kW at 240 and 480 VAC, 3PH, 60Hz. Capacity derates at other voltages.
  • Duty Cycle: Rated for continuous operation.
  • Digital Load Step Control: Nominal 5kW resolution - direct enter any load value, and controller will apply load within nominal 5kW resolution.
  • Digital Control: PLC based control with 8-inch color TFT touchscreen interface. MODBUS over RS-485 network communication. Touchscreen easily removable from panel.
  • Instrumentation: Digital power transducer with Ethernet communication to digital controller. Data display on touchscreen. Data acquisition and recording.
  • Control Power Supply: Dual voltage control power transformer with supply power switchable to internal (generator) or external source with 15ft power cable.
  • Cooling System: Forced Air - 27,700 CFM
  • Load Elements: Simplex Powr-Web chromium alloy, open wire, continuously supported, power resistor.
  • Load Element Circuit Protection: Branch circuit fuses. One set of fuses each 50KW branch. Fuses are current limiting type, 200KAIC, 600V, enabling safe use on large generating or UPS system.
  • Malfunction Detection System: Protection against fan failure, high exhaust air temperature, high intake air temperature, overvoltage and fan reversal. Exhaust air temperature displays on screen.
  • Load Connections: 12ft connection cable set, including 3-phase power cables and ground cable, stored in rear compartment.
  • Enclosure: Indoor enclosure with casters, lifting eyes, and forklift channels.
  • Network Capable: Able to network several Atlas-Megawatt load banks together for larger capacities.
  • UL Listed.


Atlas-Megawatt Brochure

Atlas-Megawatt Operator's Manual

Atlas-Megawatt Dimensions and Key Features

Atlas-Megawatt Drawing with Optional Weather-Resistant Enclosure


  • Remote control cable extensions
  • Simplex AUTO-TEST software for full automation of testing with data acquisition and report generation
  • Cam-lok power connections
  • Toggle switch control
  • Weather resistant enclosure
  • Highway trailer
  • Auxiliary inductive load banks with network control and data capability
Max Capacity @ 240/480V 3Ph:
1000 kW
Max Capacity @ 208/416V 3Ph:
750 kW
Max Capacity @ 380V 3Ph:
630 kW
Max Capacity @ 240C 1Ph:
667 kW
Load Voltage Rating:
Dual: 240/480V AC 3Ph; Operational at any voltage to 480V AC max - 1Ph or 3Ph
50, 60, 400 Hz
Full Load Amps:
2404A at 240V, 1202 at 480V
Digital Load Step Control:
Nominal 5.0 kw resolution: direct enter any load value and controller will apply load within nominal 5kw resolution.
Control/Cooling Power:
User selectable, internal/external: 230/460V 3Ph 60 Hz, 190/380V 3Ph 50 Hz, 230/460-115V control power transformer internal to Load Bank, 15 feet external power cord.
Cooling Fan:
10 HP - 27,700 CFM
Ambient Air: 120°F max air intake; Air Temp. Rise: 480°F max.
Power Connection:
3-wire plus ground
Dimensions HxWxD (inches):
81 x 48 x 96
2500 lbs.
Limited Warranty:
12 Months

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