Sofielec Professional Circuit Protection: mcb,rcd,rcbo,isolator,spd,timer,contactor,relays.Oct 31,2019 Professional Circuit Protection: mcb,rcd,rcbo,isolator,spd,timer,contactor,relays. Previous 2P magnetic RCCB 10kA, protection and control of circuit against overload and short circuitNext 10KA DC series MCB non-polarized, 1P,2P,3P,4P up to 63Amp, SAA,TUV,CB approved. PV SOLAR busbar