Morningstar ProStar PS-15M-48V-PG, PWM Charge Controller, 15 Amp, 48 Volt , Digital Display, Positive Ground

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Morningstar ProStar PS-15M-48V-PG

Our Price: $196.95

Product Code: MORNINGSTAR-PROSTAR-15M-48V-PG

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Description

Morningstar ProStar PS-15M-48V-PG Charge Controller
Includes Digital Meter
Rated Solar Current: 15 Amps
Rated Load Current: 15 Amps
System Voltage: 48 Volt
Warranty: Five years

The "-PG" version of this charge controller has a positive ground. It is for export or special communication applications only.

PS-15M-48V-PG Detailed Description:

Morningstar's ProStar is the world's leading mid-range solar controller for both professional and consumer applications. This second generation ProStar:

Adds new features and protections using highly advanced technology
Provides longer battery life and improved system performance
Sets new standards for reliability and self-diagnostics

Morningstar PS-15M-48V-PG Key Features:

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

Morningstar PS-15M-48V-PG 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

Please note that one is not able to control the frequency of battery equalization. Furthermore, the Prostar only equalizes up to 15.1 volts and most flooded lead acid batteries list 15.5 volts.

Morningstar PS-15M-48V-PG Reliability
Expected failure rate will be less than 1 per 1,000 units over 5 years.

    * Improved protections and added many new protections (see list below)
    * Power MOSFET voltage rating increased 25%
    * Eliminated all trim-pots and other troublesome parts
    * Reduced the digital meter components from 75 to 16
    * Increased the current-carrying copper traces by 75%
    * Increased temperature rating of many parts
    * Made conformal coating protection standard

Battery Charging
Expanded the battery charging options and capabilities.

    * Added a third battery type selection (gel, sealed, flooded)
    * Added a "float" stage to the battery charging algorithm
    * Expanded the to account for depth of discharge history
    * Added a remote temperature probe option
    * Improved the accuracy of all charging parameters
    * Moved the built-in temperature sensor to read ambient conditions more accurately

Installation & Operation
The new Morningstar ProStar is easier and safer to install and use, with more operating information provided to the user.

    * Self-diagnostic test provides assurance the controller is working correctly, or indicates a fault that is present
    * Rotary switch provides simple and positive selection of battery type (and LED's confirm the selection)
    * Terminals are longer with more screw threads, screwdriver holes in the case are larger, and plastic tabs isolate the terminals
    * The push button disconnects the load first (for weekend cabins, boats, etc.), then disconnects the solar if held down for 2 seconds (indicated in the meter)
    * Five protection functions are displayed in the digital meter
    * Meter indicates "OFF" if solar or load is disconnected
    * PWM is indicated in the green battery status LED (blinking)
    * A telecom jumper eliminates PWM noise if present
    * Mounting standoffs prevent stress cracks in the case

Protections
Protection against abuse and faults is now comprehensive.

    * Added solar short circuit and overload protection / auto recovery
    * Added load overload protection / auto recovery
    * Improved load short circuit protection / auto recovery
    * Improved protection of the load from voltage spikes
    * Improved low battery voltage and brownout protection / auto recovery
    * Other existing protections have been improved

Accuracy
Precision design for improved performance and accurate meter display.

    * Added 0.1% resistors and other precision components
    * Upgraded to a more powerful, faster micro controller with better resolution
    * Extensive digital filtering for improved accuracy
    * Added 2 precision shunts for very accurate current measurement
    * Calibration of the micro controller during final QA testing in production

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