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Simplex Trident Trailer Load Bank (150-2500kW)

  • Trident 600kW - Front/Left Side
  • Trident 600kW - Intake and Exahust doors open
  • Trident 600kW with option Cam-type power connections in lower right
  • Trident 600kW - Back/Left Side
  • Trident 1000kW with optional mechanical cable reels
  • Trident 1000kW
  • Optional Cam-Type Power Connection Box
Please Call for Discounted Pricing
10,600.00 LBS

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The Simplex Trident trailer load bank is designed for very-high capacity load testing of generators or electric dynamometer testing of large engines and turbines. The Trident may be used alone or in systems of multiple units which yield total capacities of tens or hundreds of megawatts.


  • National Fire Protection Association (NFPA): Satisfies the requirements for emergency stand-by power systems.
  • Digital Control: The Simplex D-Series Digital Controller is PLC-based, network capable, and comes with a local 8 inch color TFT touch-screen operator interface - easily removable from panel (remote touch-screen also available - see Options below). MODBUS over RS-485 network communication.
  • Instrumentation: Digital power transducer with Ethernet communication to digital controller. Data display on touchscreen. Data acquisition and recording.
  • Load Elements: Simplex “Powr-Web” chromium alloy, open wire, continuously supported, power resistor.
  • Cooling: Integral forced air cooling system; 3-phase, direct drive motor; Rain shedding exhaust hood; Forced air, horizontal airflow - cold air intake, hot air exhaust.
  • Malfunction Protection: Protection against fan failure, high exhaust air temperature, high intake air temperature, overvoltage and fan reversal. Exhaust air temperature displays on screen.
  • Load Circuit Protection: Branch circuit fuses. One set of fuses each 50KW branch. Fuses are current limiting type, 200,000 AIC, 600V, enabling safe use on large generating or UPS system.
  • Control Power Supply: Dual voltage control power transformer with supply power switchable to internal (generator) or external.
  • Digial Load Control: Nominal 5.0 kw resolution: direct enter any load value and controller will apply load within nominal 5kw resolution.
  • Connections: Cam-type power connections behind hinged door. Snap-back protective covers.
  • Duty Cycle: Continuous.
  • Enclosure: Type 3R weatherproof power section, including load elements and cooling fan; Type 3R weatherproof control section, thermally and electrically isolated from resistive load power section; Double wall construction for cool exterior; Service access from three sides via hinged doors with lockable latches; Finish painted with a UL Listed process consisting of either a powder-coated finish or a liquid-coated finish consisting of an epoxy primer and a polyurethane finish.
  • Tandem-Axle Trailer: Extra-heavy duty steel trailer with steel deck. All welded frame construction. Meets all DOT requirements for highway use. User specified hitches (2 5/16" ball hitch or 3" pintle ring hitch adjustable in 2" increments). Electric brakes with breakaway system. Mechanical parking brake. DOT lighting and connector. Leaf springs suspension. Safety chains.


Trident Trailer Load Bank 600-1250 Brochure

Trident Trailer Load Bank 1500-2500 Brochure

Trident Trailer Load Bank Operator's Manual

D-Series Digital Controller Brochure


  • Remote suitcase-style control panel with PLC-based touch-screen.
  • Additional Remote Controls.
  • Mechanically or electrically operated cable reels.
  • Main load disconnect breaker or fused disconnect switch.
  • Reactive units (inductive or capacitive).
Max Capacity Options:
500, 750, 1000, 1250, 1500, 2000, or 2500 kW (Other capacities 150-2500 kW may also be available)
Dual voltage 240 & 480VAC 3PH - Operational with derated capacity at any other voltage up to 480VAC. (Other single and dual voltage options available)
60Hz Voltage Options:
208V, 220V, 240V, 416V, 440V, 450V, 460V, 480V, 575V, 600V
50Hz Voltage Options:
190V, 200V, 208V, 380V, 400V, 416V
Frequency Options:
50, 60 Hz
Digital Load Control:
5KW resolution
Control/Cooling Power:
Switchable internal/external. Control power transformer (230/460 - 115V) internal to Load Bank. External fan/control power requirements: 240/480VAC 3PH 60Hz
Cooling Fan:
3-phase, direct-drive fan, 21,000 CFM.
120°F maximum ambient temperature. Exhaust rise: RISE=KW x 3000 / CFM (Note: as airflow is not laminary, exhaust air temperatures are not equal at all points at plane of air exhaust. Some parcels of air may reach approximately 575°F before mixing.)
Load Bank Dimensions HxWxD (inches):
49 x 126 x 47 (Varies by capacity)
Load Bank Weight:
3000 lbs (Varies by capacity)
Trailer Construction:
Conforms to applicable Federal and DOT Standards. Hub and bearing assembly - cast iron with automative bearings. Wheel wells. Deck plate - 12 ga. hrs. Frame formed steel channel. 7000# lift jack.
Trailer Lights:
ICC 12V, electric lights with 7 pole connector (male and female component) (includes stop, turn, brake, and wire harness)
Trailer Brakes:
Electric with breakaway system, mechanical parking brake
Trailer Suspension:
Leaf springs
Trailer-Vehicle Connections:
2 5/16" ball hitch or 3" pintle ring hitch adjustable in 2" increments (user specified); 36" safety chains with hooks; Electric break-away battery and switch.
Trailer Weight Capacity (1 Trident):
8000 lbs. gross weight
Trailer Weight Capacity (2 Tridents):
12000 lbs. gross weight
Trailer Axles and Tires (1 Trident):
Dual Axle. ST225-75-R15.
Trailer Axles and Tires (2 Tridents):
Dual Axle. ST235-85-R16.
Dimensions HxWxD with Trailer/1 Trident:
81" x 90" x 200"
Dimensions HxWxD with Trailer/2 Tridents:
84" x 99" x 270"
Approximate Weight with Trailer/1 Trident:
9,000 lbs.
Approximate Weight with Trailer/2 Tridents:
10,500 lbs.
Limited Warranty:
12 Months

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