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DC Series Load Banks

Setting the standard for testing Mission Critical DC Systems.

Portable or Stationary Designs

Trystar offers the flexibility of compact, portable load banks or for larger applications, permanently installed, outdoor rated units 

High Capacity Resistive Loads are ideal for testing and maintenance of large DC power systems, battery systems, UPS systems, rectifiers and power supplies

The Load Bank Experts

The team at Trystar have been manufacturing high-capacity resistive loads for almost 20 years. Trystar leads the market with innovative designs in AC, Resistive Reactive, Medium Voltage and DC applications.

Built to Last

The DC Series enclosures are constructed of galvanized steel with the highest quality durable powder-coat paint finish, and external stainless steel fasteners. The load bank can be designed for permanent installation or can be of portable type (consult factory for available sizes). For permanent installations, the enclosure is of outdoor construction, to be installed and operated on a floor, roof-top, or concrete pad. Portable load banks provide ease of positioning with moving handles and heavy-duty casters. Tie-down provisions allow for secure transportation to and from job sites. Larger load banks have forklift channels within the base for ease of lifting and handling during installation.

Operator Controls

  •  Emergency Stop (E-Stop)
  •  Illuminated Main Power On/Off switch
  •  Master Load On/Off switch
  •  Fault condition smart indicators
  •  Individual Load Step Switches

Operator Protection

The DC Series Load Bank comes equipped with an Emergency-Stop push button allowing the operator to take the unit off-line should a critical hard-stop condition occur. Blower On, Motor Overload, Air-Flow Failure, and Over-temperature circuits disable all load steps during a fault condition with operator visual indicators, while the Load Dump circuit provides the operator visual indication if all load steps have been removed.

Product Specifications

Resolution (typical)

1A to 25A

System Voltages (typical)

12VDC to 1100VDC

Main Features

  •  Trystar’s DC Load Banks are specifically designed for your testing requirements.
  •  Can be configured for Portable or Stationary applications, indoors or out.
  •  Ideal for battery capacity testing & maintenance, acceptance testing, discharge testing and other testing for DC power systems.
  • Common applications include telecommunication, data centers, utility and military.
  •  The DC Series is the perfect solution for regularly scheduled maintenance testing and commissioning of mission-critical DC power systems.

Enclosure Type

Portable or Stationary

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