The M1PVS (UL) is a photovoltaic-specific product in NOARK's M series of Molded Case Circuit Breakers, which is an UL489B DC Molded Case Circuit Breaker with a rated current of 15-100A and a breaking capacity of 10kA at 1000 Vdc. Each unit is equipped with a thermal-magnetic trip unit to protect against overloads and short circuits in photovoltaic systems. The M1PVS features a "phase-through" design and comes with pre-installed jumpers. Four jumper connection configurations are provided for both grounded and ungrounded systems.