Morningstar SunGuard PWM 12v 4.5a Solar Controller

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Morningstar SunGard PWM Solar Controller is the world's leading single module controller. Combining the advantages of the Morningstar innovative SunSaver charge circuitry in a practical and economical form factor specifically designed for smaller solar installation and DIY projects.


Series design (not shunt)
100% solid state
True 0 to 100% PWM duty cycle
Set point accuracy to 60 mV
Temperature compensation
Rated for 25% overloads
Lightning protected with 1500 W transorbs
Self-consumption is 6 mA
Fully encapsulated in epoxy potting
ABS plastic, impact-resistant case
Outdoor rated, Hypalon connecting wires


Rated Solar Input: 4.5a
Max. Input (5 min.): 5.5a
System Voltage: 12v
Max. Solar Voltage: 30v
Regulation Voltage: 14.1v
Accuracy: 60mV
Self-Consumption: 6mA
Temp. Compensation: –28 mV per Degree (Celsius)
Reverse Current Leakage: <10 uA
Operating Temperature: -40 to +85 Degrees Celsius

Product brochure / datasheet can be downloaded by clicking the PDF icon just below the main image.


Product Videos

Model # SG-4
Barcode # 2000000006581


24 Month Manufacturer Warranty

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