Midnite Solar MNDC-GFP63 63 amp 150VDC DC Ground Fault Protector
63 amp 150 Volt DC ground fault protector (GFI - UL listed breaker assy). The 2011 NEC requires a GFP now on all systems. It used to be that they were required only when PV panels were installed on the roof of a dwelling. Now even if you Solarize your doghouse, a ground fault protector is required in order to pass inspection.