상황
A commercial electrical panel receives a 230 V supply and distributes it through a 250 A MCCB to three independently protected sub-feeds serving lighting, general power, and HVAC loads.
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01
Main incoming supply is 230 V single-phase with grounded neutral.
02
A 250 A disconnect switch models the MCCB as the main protective device.
03
Each sub-feed uses a dedicated fuse rated for lighting (16 A), power (32 A), and HVAC (40 A).
Use this netlist as a starting point for single-line distribution board diagrams where a main breaker feeds multiple dedicated load circuits.