C & S : Distribution Boxes We offer a wide range of DBs. These are used to mount the MCBs and RCCBs. The normal running range is 25A to 63Amp x 30mA/100mA/300mA. Distribution Boxes Types:Single Door DB SPN/TPNDouble Door DB SPN/TPNFlexi Tier DBsPer Phase Isolation DBsPPI Kit DbPhase Segregated DBsVTPN DB as Modular IncomerVTPN DB as MCCB Incomer Contact Us