BOS (Balance of System)

BOS (Balance of System) includes all the essential components required for the safe and efficient operation of a solar power system, apart from solar panels and inverters. It covers DCDB, ACDB, DC and AC cables, earthing materials, lightning arrestors, and other protection and installation accessories that ensure system safety, performance, and reliability.

Lightning striking an overhead line, illustrating surge protection
DCDB (Direct Current Distribution Board)

Controls and distributes DC power safely

Electrical hand tools and a multimeter used for solar installation
ACDB (Alternating Current Distribution Board)

Manages AC power distribution safely

Electrical cable, conduit and wire cutters
DC Cables(Direct Current)

Carry DC power from panels

Multi-core copper electrical cable
AC Cable(Alternating Current)

Transfers AC power to loads

Technician inspecting a solar distribution board
Earthing Items

Protect system from electrical faults

Technician wiring a solar distribution board
Lightning Arrestors

Protect from lightning surges

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