Morningstar TriStar TS-45 Charge Controller without Display


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Item code Brand name Model number Amps
MORTS-45 Morningstar Corp TS-45 45A

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Morningstar Corporation
TriStar Charge Controllers
Models TS-45 & TS-60

TriStar Charge Controllers
TriStar PWM Charge Controllers

The TriStar is a three-function controller providing reliable solar battery charging, load control or diversion regulation. This controller operates in only one of these modes at a time but two or more controllers may be used to provide multiple functions. The digital meter option displays self-test results, system information and controller setpoints. Remote temperature sensor option rated from -30ºC (-22ºF) to +80ºC (+176ºF). White power-coated steel, indoor rated, vertical mounting enclosure.
UL listed.
Five-year warranty.


  • Standard model switch selectable for 12/24V or 48V battery
  • Choice of 7 regulation or LVD setpoints
  • Conduit-ready enclosure for large wire sizes
  • RS-232 comm port provides custom setpoints
  • Self test runs continuously

Charge Controller Mode:

  • • Temperature compensation
  • PWM may be changed to “on-off” controller to minimize any possible telecom noise

Load Control Mode:

  • Starts all loads including inductive
  • Short circuit and overload protection with automatic reconnect

Diversion Control Mode:

• May be used for solar, wind or hydroelectric

Model/Description Rated Voltage Rated PV Current Unit Load Current Dimensions Weight
TS-45 12/24/48V 45 amps 45 amps 10.1” x 4.9” x 2.3” 4 lbs
TS-60 12/24/48V 60 amps 60 amps 10.1” x 4.9” x 2.3” 4 lbs

Key Features and Benefits

TriStar Charge Controllers

Highest Reliability
Large heat sink 1 and conservative design enables operating at full ratings to 45°C. No need to de-rate.
More Power
Ratings to 60A at 48VDC will handle solar arrays up to 4kW.
Communications Capability
RS-232 2 connects to a personal computer for custom settings, data logging and remote monitoring and control.
Fully Adjustable
DIP switch 3 provides user with a choice of 7 different digital presets and custom settings via RS-232.
Extensive Electronic Protections
Fully protected against reverse polarity, short circuit, overcurrent, high temperature and overvoltage.
Simple Mechanical Interface
Larger power terminals 4 and conduit knockouts 5. Extra space for wire turns. Fits on power panels.
Better Battery Charging
Connecting battery sense wires 6 and optional remote temperature sensor 7 will improve control accuracy. Constant voltage series PWM algorithm increases battery capacity and life.
More Information
3 LED’s 8 to indicate status, faults and alarms. Optional meter 9 displays extensive system and controller information, automatic self-test and reset capabilities. Meter connection via RJ-11 phone jack. 10
Easy to Reset
Pushbutton 11 provides manual reset and stop/start battery equalization or load disconnect.
Low Telecom Noise
DIP switch setting will change PWM to“On-Off” battery charging.

Morningstar Corporation

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