
TriStar Charge Controllers by Morningstar
Morningstar’s TriStar Controller is a three-function controller
that provides reliable solar battery charging, load control or
diversion regulation. The controller operates in one of these
modes at a time and two or more controllers may be used
to provide multiple functions.
The TriStar uses advanced technology and automated
production to provide exciting new features at a competitive
cost. The optional TriStar meter is the most sophisticated
and informative controller meter on the market. The
controller is UL listed and is designed for both solar
home systems and professional applications.

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TriStar Solar Controller
Highest Reliability
Large heat sink and conservative design enables operating at full ratings to 60°C.
No need to de-rate.
More Power
Ratings to 60A at 48VDC will handle solar
arrays up to 4kW.
Communications Capability
RS-232 connects to a personal computer
for custom settings, data logging and remote
monitoring and control.
Fully Adjustable
DIP switch 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 and conduit knockouts. Extra space for wire turns.
Fits on power panels.
Better Battery Charging
Connecting battery sense wires and
optional remote temperature sensor will
improve control accuracy. Constant voltage
series PWM algorithm increases battery
capacity and life.
More Information
LED’s to indicate status, faults and
alarms. Optional meter displays extensive
system and controller information, automatic
self-test and reset capabilities. Meter
connection via RJ-11 phone jack.
Easy to Reset
Push button 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. |
TriStar |
TS-45 |
TS-60 |
| Rated Solar Current |
45A |
60A |
| Rated Load Current |
45A |
60A |
| System Voltage |
12 / 24 / 48 Volts |
12 / 24 / 48 Volts |
Options |
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| TriStar Meter |
yes |
yes |
| TriStar Remote Meter |
yes |
yes |
| Remote Temp Sensor |
yes |
yes |
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