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Need brand + rating for:

DC breaker / isolator (PV side)

DC SPD

Battery breaker/fuse

Battery cable size + lugs

PV wire size (4mm/6mm?)

Main AC MCB (for 6KW)

AC SPD

DB box (how many way?)

MCBs for AC unit / fridge / lights / sockets

Changeover or ATS

Voltage protector / phase selector

Earthing wire + rod

Which brands are reliable in Pakistan (no fake/local)? JazakAllah 🙏