Morningstar GFPD-150V DC Ground Fault Protection Device

Morningstar GFPD-150V DC Ground Fault Protection Device

Model: 053-03164

Brand: Morningstar

Price: $190.00 

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Morningstar GFPD-150V DC 60A Ground Fault Protection Device

Morningstar's Ground Fault Protection Device (GFPD) Family, Models GFPD-150V and GFPD-600V, increases safety and design flexibility in off-grid and on-grid photovoltaic (PV) systems. Ground fault protection is used in electrical systems to prevent current from following any unintended paths during a ground fault. It is critical to detect any stray current and to interrupt (break) the circuit until safe operation can be restored. A current imbalance between the conductors of a circuit indicates a ground fault. Morningstar's GFPD will detect this condition and break the circuit on both the positive and negative legs. Disconnecting both poles ensures interruption of the ground fault current.

  • Breaks the PV array during a fault condition.
  • Leaves the battery and DC loads grounded under all conditions.
  • Eliminates the danger of an ungrounded battery and therefore requires no special labeling at the battery location.
  • Audible and visual indications.
  • Precision current measurement, not fuses.
  • Push-button test circuit.

The GFPD enables system design flexibility. Morningstar designed the GFPD to be easily paired with their world-leading TriStar MPPT Charge Controller during on-site installation. Additionally, the GFPD will work just as well in systems with mixed vendor components.

Morningstar's GFPD is a superior solution to ground fault protection. With its custom molded equipment ground terminals, installation and troubleshooting are simplified. Furthermore, the GFPD breaks the entire PV array circuit during a fault condition and requires no special labeling on the battery enclosure.

Compared to Other GFP Solutions, the GFPD...

  • Maintains the integrity of earth bond for battery and loads.
  • Trips at lower fault current with greater accuracy.
  • Breaks both conductors in the faulted circuit and completely isolates PV source circuits.
  • Does not require an extra warning label at the battery bank as per U.S. National Electric Code requirements.
  • Provides design flexibility to meet a wide range of configurations:
    • Positive and negative ground.
    • Large and small arrays.
  • Makes it easier to locate and troubleshoot ground faults.
  • Powered via the PV system’s battery bank.
  • Equipped with both visual and audible alarms.
  • Built to support both single controller and multiple controllers systems:
    • When the earth bond is not broken, Morningstar’s GFPD will only shut off affected controllers.
    • All loads will continue to operate safely with the battery remaining bonded to ground.
    • Multiple controllers and GFPD’s can be added on an as-needed basis.

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