Din Rail Circuit Breakers, 150VDC PV Array Breakers Photovoltaic (PV) Array Breakers PV breakers are Hydraulic-Magnetic type and are not affected by high ambient temperatures. All breakers have a 2 year warranty.These breakers can accept wire sized AWG #6 through AWG#14. They will fit in enclosures with din rail such as: Outback Flexware PV8, Flexware PV12, Midnite MNPV3,&..