A Distribution board (also known as panelboard or breaker panel) is a component of an electricity supply system which divides an electrical power feed into subsidiary circuits, while providing a protective fuse or circuit breaker for each circuit in a common enclosure. Normally, A main switch, And in recent boards, One or more residual-current devices (RCD) or residual current breakers With overcurrent protection (RCBO) are also incorporated. Schneider Standard TPN DBs for Distribution of Three Phase and Neutral supply, Incomer-FP RCCB/RCBO/Isolator/MCB, Outgoing-SP MCBs, TPN DBs can be converted to PPI DB With “PPI Kit” mentioned on page no. 11