Morningstar TS-MPPT-45 Tristar 45 Amp MPPT Charge Controller

Regular Price: $522.00
ONLY: $478.00
Item Number: 020-01109
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Note: Remote Temperature Sensor is included

Product Description


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.

Morningstar offers a TriStar MPPT One-Hour Training Program that covers the major features and benefits of the product, system considerations and sizing tools, networking and communications (including Ethernet), and metering and data logging.

Features and General Information

  • 99% peak efficiency
  • Recognition of multiple power points during shading or mixed PV arrays
  • Excellent performance at sunrise and low solar insolation levels
  • Enables system monitoring, data logging and adjustability.
  • 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

Maximum Battery Current 30 amps 45 amps 60 amps
Nominal Maximum Solar Input
12 volt 400 Watts 600 Watts 800 Watts
24 volt 800 Watts 1200 Watts 1600 Watts
48 volt 1600 Watts 2400 Watts 3200 Watts
Nominal System Voltage 12, 24, 36 or 48 volts DC
Maximum Solar Open Circuit Voltage 150 volts DC
Peak Efficiency
Battery Operating Voltage Range
8-72 volts DC
Maximum Self-consumption
2.7 Watts
Transient Surge Protection
4500 Watts/port

Electronic Protection
Overload, Short Circuit, High Voltage
High Voltage

Batttery Charging
Charging algorithm
Charging stages
Bulk, Absorption, Float, Equalize
Temperature Compensation
  –5mV/°C/cell (25° ref)
–30°C to +80°C
                       Set Points
Absorption, Float, Equalize, HVD

Ambient Temprature
–40°C to +45°C
Storage Temperature
–55°C to +100°C
100% non-condensing
Epoxy encapsulation
Conformal coating
Marine rated terminals

Communication Ports
Yes Yes Yes
Yes Yes Yes
No No Yes
No No Yes

29.1 x 13.0 x 14.2 cm
11.4 x 5.1 x 5.6 inch
4.2 kg / 9.2 lbs.
Max. Wire Size
35 mm² / 2 AWG
Conduit Knockouts
M20; ½, 1, 1 ¼ inch
Type 1 (indoor and vented)
Certifications • CE Compliant
• ETL Listed (UL1741)
• cETL (CSA C22.2 No. 107.1-01)
• FCC Class B Part 15 Compliant
• Complies with (NEC) U.S. National Electric Code
• RoHS Compliant
• Manufactured in a certified ISO 9001 facility

Product Reviews

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Installed the Morningstar MPPT 45 in our RV last month.
Charles (Tucson AZ) 6/26/2015 12:20 PM
Hello Everyone, I must say I researched this device for some time, well I am very impressed with it's results. I purchased our 4 136 Watt Solar Panels , (4) 6 Volt Battery's a Samlex 2000 Watt inverter then installed them in our RV for our trips to middle earth, my wife and kids love the comforts of home so I had to build La Chateau RV De Williams to get them out of the house. This system delivers very clean power to our RV allowing my son to Surf the web play Mind Craft with his friends, My wife can Watch as the world turns on the 50" and I can watch the Avengers in full 7.1 surround sound systems with a 300 Watt subwoofer , Blue ray and Eat my Hot Freshly popped Popcorn from the Microwave, I can work from my mobile office here too. This is an amazing unit and I would recommend this unit to anyone looking for off the grid power. or just supplementing power from your home. My next project will be our home and I will buy the Morningstar MPPT 60 and the remote data display, Also with this unit I can monitor the data threw the TCPIP Port and see what is going on with my home from anywhere in the world that I have access to the web. a very neat feature that Morningstar has incorporated into there devices. Thank you for Reading.