Molded case circuit breakers

The PVGard MCCB by Eaton meets is designed for commercial and utility scale photovoltaic (PV) systems.


The PVGard MCCB by Eaton meets is designed for commercial and utility scale photovoltaic (PV) systems. Courtesy: EatonEaton Corp. has introduced its line of molded case circuit breakers (MCCBs) designed for commercial and utility scale photovoltaic (PV) systems. Used in solar combiner and inverter applications, Eaton PVGard circuit breakers are rated up to 600 amp at 1000 Vdc. Eaton’s PVGard MCCB meets UL 489B, which requires rigorous testing to verify circuit protection that meets the specific requirements of PV systems. Eaton engineered the PVGard circuit breakers for the protection, switching, and isolation of PV systems up to 1000 Vdc. PVGard circuit breakers are reusable after clearing an electrical fault. Once the condition that created the fault is identified and repaired, the circuit breaker can simply be reset. They enable reductions in breaker, conductor, and enclosure sizes and can help promote potential cost savings. 

Eaton Corp.

VISH , CA, United States, 06/20/13 12:36 PM:

Replacement of fuse and disc. switches in the combiner box with PVGard circuit breakers is good idea.
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