Morningstar TriStar 30A MPPT Charge Controller



Morningstar Corporation

Morningstar’s TriStar MPPT solar controller with TrakStar Technology™ is an advanced maximum power point tracking (MPPT) battery charger for off-grid photovoltaic (PV) systems up to 3kW. The controller provides the industry’s highest peak efficiency of 99% and significantly less power loss compared to other MPPT controllers.



The TriStar MPPT features a smart tracking algorithm that maximizes the energy harvest from the PV by rapidly finding the solar array peak power point with extremely fast sweeping of the entire I-V curve. This product is the first PV controller to include on-board Ethernet for a fully web-enabled interface and includes up to 200 days of data logging.

Key Features and Benefits:

Maximizes Energy Harvest
Our TrakStar MPPT Technology features:

  • Better peak power point tracking than other MPPT controllers
  • Very fast sweeping of the entire I-V curve
  • Recognition of multiple power points during shading or mixed PV arrays
  • Excellent performance at sunrise and low solar insolation levels

Extremely High Reliability

  • Robust thermal design and no cooling fans
  • Parallel circuit design provides less stress and longer life for electronic components
  • No mechanical relays
  • Extensive electronic protections including PV short circuit protection
  • Epoxy encapsulated inductors and conformally coated printed circuit boards

Very High Efficiency

  • Peak efficiency of 99%
  • Proprietary tracking algorithm minimizes power losses
  • Low self-consumption
  • Continuous operation at full power to 45°C without need to de-rate
  • Selected electronic devices with higher ratings to minimize losses from heating
Solar Controller Specifications
Nominal Battery Voltage 12, 24, 36 or 48 volts DC
Minimum Battery Voltage 8 V (DC)
Battery Voltage Range 8-72 volts DC
Max Solar Input Voltage 150 volts DC
Max Output Current 30 A (DC)
Peak Efficiency 99 %
Operating Consumption 2.7 Watts (Maximum)
Charger Regulation 4 Stage (Bulk, Absorption, Float, Equalize)
Environmental Rating Type 1 (indoor and vented) IP20
Temperature Comp –30°C to +80°C (Temperature Sensor is Included)
Remote TS-M2, TS-RM2, HUB-1 (optional)
Maximum Wire Size 35 mm² / 2 AWG


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