The Schneider Electric Easy9 RCCB 63A 4-Pole 30mA is a residual current circuit breaker designed to protect electrical circuits from earth leakage and shock hazards. It provides upstream protection for multiple circuits, with positive contact indication and clear fault tripping indication via handle position (O–I marking). This device is SANS 767 and IEC 61008-1 certified, making it ideal for main switchboard installation, distribution boards, and industrial panel building across South Africa.