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Simplex Electra Portable Load Bank (450-700kW)

Electra 500: $31,819.00
Electra 600: $34,488.00
Electra 700: $38,342.00
Please Call for a Detailed Quotation

SKU: Electra Category Brand:
Availability: Please call for current lead time
Shipping: Please Call for a Freight Quote

The Simplex Electra 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 700kW.


  • Load Capacity: Max capacity up to 500, 600, or 700 kW 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 TCP/IP network communication. Touchscreen easily removable from panel.
  • Instrumentation: Digital power transducer with built-in 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 w/ 15ft power cord.
  • Cooling System: Forced Air
  • 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, over-voltage and fan reversal. Exhaust air temperature displays on screen.
  • Load Connection: Cam-type power connectors.
  • Enclosure: Indoor enclosure with casters, lifting eyes, and forklift channels.
  • Network Capable: Any number of Electra and dynaMITE Load Banks can be combined for large system capacities and networked for central control and data acquisition.
  • UL Listed.
Electra Comparison Chart
Model Max Capacity Full Load Amps Cooling
500 KW at 240/480V 3Ph
325 KW at 208/416V 3Ph
313 KW at 380V 3Ph
333 KW at 240V 1Ph
1202A at 240V
601A at 480V
10,500 CFM
3HP Motor
2 Ground
600 KW at 240/480V 3Ph
450 KW at 208/416V 3Ph
376 KW at 380V 3Ph
400 KW at 240V 1Ph
1442A at 240V
721A at 480V
12,500 CFM
5HP Motor
2 Ground
700 KW at 240/480V 3Ph
525 KW at 208/416V 3Ph
439 KW at 380V 3Ph
467 KW at 240V 1Ph
1683A at 240V
842A at 480V
12,500 CFM
5HP Motor
2 Ground


Electra Brochure

Simplex One-Year Parts Only Warranty


  • 400 Hz modification – Call for Pricing
  • Network control cables – Call for Pricing
  • Remote control cable extensions – Call for Pricing
  • Simplex AUTO-TEST software for full automation of testing with data acquisition and report generation – Call for Pricing
  • 12’ connection cable set including 3-phase power cables, ground cable, stored in rear compartment – Call for Pricing
  • Weather resistant enclosure for 500-600 models (ELECTRA-WEATHER) – ADD $2,741.00
  • Highway trailer for 500-600 models (ELECTRA-TRAILER) – ADD $16,502.00
  • Steadypower 20ft or 50ft Cable Set (see below to order)

Full Load Amps

Digital Load Step Control

Control/Cooling Power

Cooling System

Max Air Temp Rise

Ambient Air Temp

Power Connection

Dimensions HxWxD (inches)


Limited Warranty


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