2 Pole DC 800V Circuit Breaker for Solar ( PV ) System 1,L7,C45N,C60N,C65N design 2,High quality 2 ... Pole DC 800V Circuit Breaker ( DC MCB breaker ) for Solar ( PV ) System ker(hereafter ref The KL7-DCseries DC Mini Circuit Breakers ... for carries on the overload, short circuit protection to the current electrical power distribution system's facility and the electrical equipment, but widely ...