Morningstar SunGuard 4.5 Amp 12 Volt PWM Charge Controller

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Quick Overview

  • Max Current: 5.0
  • Max Power 12VDC: 75.0
  • NEMA Rating: NEMA 1 (indoor)
  • System Volatge: 12
  • Warranty: 5-years
  • Morningstar SunGuard 4.5 Amp 12 Volt PWM Charge Controller

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    Morningstar SunGuard Charge Controller

    The SunGuard SG-4 uses the same charging circuit as the SunSaver and works well as a 12 VDC, low-power controller for up to 75 W of PV module(s). Since it is epoxy encapsulated, it can be used outdoors in harsh environments. The SunGuard’s dimensions are 2.5"H x 2"W x 1.6"D with wire leads for connecting module and battery, and it is covered by a 5-year warranty.

    SunGuard’s technology provides:
    • Exceptional Reliability
    • PWM Battery Charging
    • Consistent High Quality
    • Low Cost

    Advantages
    • 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

    Features:
    • ISO 9002 quality programs
    • 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

    Morningstar’s SunGuard™ 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.

    Specification:

    Manufacturer Part Number SG-4
    Warranty 5-years
    Description SunGuard
    Max Current 5.0
    Max Power 12VDC 75.0
    NEMA Rating NEMA 1 (indoor)
    System Volatge 12
    Length 4.75
    Width 3.25
    Height 2.75
    Weight 0.34  LB

    Electrical Specifications
    Rated Solar Input 4.5A
    Max. Input (5 min.) 5.5 Amps
    System Voltage 12 Volts.
    Max. Solar Voltage 30 Volts
    Regulation Voltage 14.1 Volts
    Accuracy 60 mV
    Self-consumption 6 mA
    Temp. Compensation –28 mV/°C
    Reverse Current Leakage <10 µA

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