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Morningstar ProStar 30 AMP Solar Charge Controller

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Morningstar ProStar 30 AMP Solar Charge Controller Review  |  Q&A  | 
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Morningstar Remote Temperature Sensor

Morningstar Remote Temperature Sensor

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Morningstar ProStar 30 AMP Solar Charge Controller, 5 Year Warranty

Product Description

Morningstar ProStar 30 AMP Solar Charge Controller, 5 Year Warranty. The ProStar solar charge controller has been the leading mid-range pulse width modulation (PWM) controller since 1995. With over 350,000 units installed in the harshest environments in over 100 countries, the ProStar has developed a strong reputation for reliable performance. This third generation ProStar maintains the same quality and form factor as previous models, while offering new data, lighting control, graphical interface, and protection features to better meet the needs of off-grid solar applications.


  • High reliability – latest electronic and environmental protections, quality control, and design considerations comply with IEC 62109 and promote longevity in the harshest environments.
  • High Temperature Design – full nameplate current rating, both solar and load up to 60°C continuous.
  • Auto-battery-select – 12V and 24V systems.
  • Data Logging – up to 256 days of solar charge and load consumption data.
  • Low Noise Design – meets US Federal Communications Commission Class B specifications.
  • Automatic Solar Based Lighting Control – field adjustable, multi-event load control enables powerful options for solar lighting systems.
  • MODBUS Communications – open standard MODBUS communications protocol allows for control and remote data access.
  • Durable Design – high strength polycarbonate case with protective terminal cover and extruded aluminum heatsink.
  • Self Diagnostics – continuous monitoring and reporting of any errors or system faults through its status LED’s, optional display and communication port.
  • Meter – high resolution LCD, multi-lingual backlit graphical display of system voltage, current, temperature, lighting settings, etc.
  • Custom Programming – dip switches, meter interface, or connection with a computer can be used to adjust charging, load, communications, and lighting control.


  • Estimated 15 year life
  • Compliance with IEC 62109
  • PWM series battery charging (not shunt)
  • 8 dip switches to adjust battery charging and other settings
  • High resolution graphical meter to adjust settings and display logged data
  • RJ-11 MeterBus port for serial MODBUS data or to add a remote meter
  • Compatible with Morningstar’s Ethernet MeterBus Converter (EMC-1)
  • Up to 256 days of data logging
  • Dusk-to-dawn and advanced programmable lighting control
  • Protective terminal cover
  • Enhanced surge rating for heavy DC loads
  • Self-diagnostics
  • Slow switching mode to eliminate system noise at telecom sites
  • Parallel for up to 300 amps
  • Temperature compensated charging
  • Tropicalization
  • No switching or measurement in the grounded leg
  • 100% solid state
  • Very low voltage drops
  • Current compensated low voltage disconnect (LVD)
  • LED’s to indicate battery status and faults
  • Capable of 25% overloads
  • Remote battery voltage sense terminals

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Product Manual


Short Description Morningstar ProStar 30 AMP Solar Charge Controller, 5 Year Warranty
Brands Morningstar
Amps 30.0 Amps
Storage Range (temp) -40°C to + 80°C
Operating Range (temp) -40°C to + 60°C
Humidity 100% Non-condensing
Dimensions (LxWxH mm) 105 x 153 x 55
Accuracy of voltage measurement <= 0.1% +/- 50mV
Enclosure Class IP20, Type 1
Nominal Battery Voltage 12V or 24V
Battery Voltage Range 10 - 35V
Load Current Rating 30A
Max. Battery Current 30A
Input Voltage 60Voc (Solar)
Weight (kg) 0.4
Manufacturers Warranty 5 Years
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