Morningstar SG-4 SunGuard 4 Charge Controller 12V, 4 Amp
[SG-4, SG.4, SG 4, SG_4, SG4]
Morningstar SG-4 Summary
- Product Type
- Charge Controller
- Battery Voltage
- 12 Volts
- Charging Type
- PWM
- Output Current
- 4.5 Amps
- PV Open Circuit Voltage
- 30 Voc
- PV Input @ 12V
- 54 Watts
- Display Included
- No
Morningstar SG-4 SunGuard 4 Charge Controller 12V, 4 Amp
SG-4 SunGuard 4 Charge Controller 12V, 4 Amp
Morningstar's SunGuard SG-4 is the world's leading single module controller. We have combined all the advantages of our SunSaver charging circuit with less expensive packaging to provide an economical controller for small PV systems. Morningstar’s SunGuard is the most advanced small, economical solar charge controller on the market today.
SunGuard’s technology provides:
- Exceptional Reliability
- PWM Battery Charging
- Consistent High Quality
- Low Cost
The SunGuard is able to match the quality and performance of the world-leading SunSaver controllers because:
- SunGuards are made on the same high speed, automated production lines
- SunGuards use the same charging circuit
- SunGuards use the same high quality components
Features of the Morningstar SG-4 SunGuard 4 Charge Controller 12V, 4 Amp:
- Series design (not shunt)
- 100% solid state
- True 0 to 100% PWM duty cycle
- Setpoint accuracy to 60 mV
- Temperature compensation
- Rated for 25% overloads
- No need to derate
- 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
- Advantages
- SunGuard’s PWM charging compared to On-Off solar regulators:
- Typically 30% more solar energy into the battery per day
- Average battery State-of-Charge is 90 – 95% compared to 55 – 60% for On-Off regulators
Also Known As:
SG.4
SG 4
SG_4
SG4
| Electrical Specifications | |
| Model | SG-4 |
| Rated Solar Input: | 4.5 A |
| Max. input (5 min) | 5.5 A |
| System Voltage | 12 V |
| Max. Solar Voltage | 30 V |
| Regulation Voltage | 14.1 V |
| Accuracy | 60 mV |
| Self-Consumption | 6 mA |
| Temp. Compensation | -28 mV/°C |
| Reverse Current Leakage | <10 μA |
| Operating Temperature | –40 to +85°C |
Mechanical Specifications | |
| Wire Size | #16 AWG |
| Weight | 3 oz (0.09 kg) |
Recommended Products for the Morningstar SG-4 SunGuard 4 Charge Controller 12V, 4 Amp
Morningstar RTS Remote Temperature Sensor
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Note: Specifications and pricing of the Morningstar SG-4 SunGuard 4 Charge Controller 12V, 4 Amp subject to change without notice. Illustrations and descriptions of the Morningstar SG-4 do not claim to be complete or exhaustive.
