Morningstar TriStar MPPT 45 Amp 12/24/36/48 Volt Solar Charge Controller

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Morningstar TS MPPT 45 TriStar MPPT 45 amp 12/24/36/48V Solar Charge Controller

Morningstar 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 TS MPPT 45 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. Five year warranty.

Charge Controller Features:

  • Maximizes Energy Harvest - 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
  • Extensive Networking and Communications Capabilities
    • Enables system monitoring, data logging and adjustability. Uses open standard MODBUS™ protocol and Morningstar's
      MS View software.
    • Meterbus: communications between compatible Morningstar products
    • Serial RS-232: connection to a personal computer
    • EIA-485: communications between multiple devices on a bus
  • Metering and Data Logging
    • Optional TriStar meter and remote meter provides detailed operating data, alarms and faults
    • Three LEDs display system status
    • Up to 200 days of data logging via meters or communications ports


  • Maximum Battery Current: 45 Amps
  • Nominal Maximum Solar Input
    • 12 Volt: 600 Watts
    • 24 Volt: 1200 Watts
    • 48 Volt: 2400 Watts
  • Nominal System Voltage: 12, 24, 36, or 48 Volts DC
  • Maximum Solar Open Circuit Voltage: 150 Volts DC

Battery Charging:

  • Charging algorithm 4-stage
  • Charging stages Bulk, Absorption, Float, Equalize
  • Temperature Compensation
    • Coefficient -5mV/°C/cell (25° ref)
    • Range -30°C to +80°C
    • Set points Absorption, Float, Equalize, HVD
    • Note: Remote Temperature Sensor is included.

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