Morningstar Prostar 30M Positive Ground Charge Control

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Quick Overview

  • ProStar 30 w/ digital display positive ground
  • Max Current: 30.0
  • System Volatge: 12 or 24
  • Warranty: 5-years
  • Morningstar Prostar 30M Positive Ground Charge Control

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    Morningstar ProStar Gen2 PWM Charge Controllers

    ProStar (PS) Gen2 PWM charge controllers have automatic equalization and temperature compensation, and provide four-stage charging including a monthly equalization charge. The ProStar controllers can be used on 12, 24, and 48 VDC systems with AGM, gel, and flooded lead-acid batteries. Front-panel LEDs indicate charging status and state-of-charge. Reverse-polarity protection on input and output prevents inadvertently damaging the controller. Short-circuited loads are automatically disconnected.

    M models include an LCD meter to display battery voltage, PV charging current, and load current. Lowvoltage disconnect (LVD) is current-compensated to prevent false disconnect when the battery is heavily loaded. Internal circuitry is conformal coated to guard against corrosion.

    ProStar dimensions are 6.01"H x 4.14"W x 2.2"D and it is covered by a 5-year warranty.

    • Versions available: 15 or 30 amp, 12 / 24 or 48 volt negative or positive ground
    • Estimated 15 year life
    • PWM series battery charging (not shunt)
    • 3-position battery select: gel, sealed or flooded
    • Very accurate control and measurement
    • Jumper to eliminate telecom noise
    • Parallel for up to 300 amps
    • Temperature compensation
    • Tropicalization: conformal coating, stainless steel fasteners & anodized aluminum heat sink
    • No switching or measurement in the grounded leg
    • 100% solid state
    • Very low voltage drops
    • Current compensated low voltage disconnect (LVD)
    • LED’s indicate battery status and faults
    • Capable of 25% overloads
    • Remote battery voltage sense terminals

    Electronic Protections:
    • Short-circuit — solar and load
    • Overload — solar and load
    • Reverse polarity
    • Reverse current at night
    • High voltage disconnect
    • High temperature disconnect
    • Lightning and transient surge protection
    • Loads protected from voltage spikes
    • Automatic recovery with all protections

    Morningstar’s ProStar™ is the world’s leading mid-range solar controller for both professional and consumer applications.


    Series Prostar
    Manufacturer Part Number PS-30M-PG
    Warranty 5-years
    Description ProStar 30 w/ digital display positive ground
    Max Current 30.0
    Max Power 12VDC 288.0
    Max Power 24VDC 576.0
    NEMA Rating NEMA 1 (indoor)
    System Volatge 12 or 24
    Length 7.5  IN
    Width 4.5  IN
    Height 3.0  IN
    Weight 5.1  LB

    ProStar Versions

    Rated Solar Current 30A
    Rated Load Current 30A
    System Voltage 30A
    Digital Meter yes
    Positive Ground Yes
    Remote Temp. Probe yes

    Battery Voltage Setpoints*
    Gel Sealed Flooded
    Regulation Voltage 14.0 14.15 14.4
    Float 13.7 13.7 13.7
    Equalization n/a 14.35 14.9/15.1
    Load Disconnect 11.4 11.4 11.4
    Load Reconnect 12.6 12.6 12.6

    Electrical Specifications
      12V 24V 48V
    Temp. Comp. (mV/˚C)* – 30mV – 60mV 80mV
    Accuracy 40mV 60mV 13.7
    Min. Voltage to Operate 8V 8V 15V
    Self-consumption 22mA 25mA 28mA
    Lvd Current Coefficient** – 20mV – 40mV – 80mV

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