Electrical BOS / preliminary scope

Keep preliminary material scope reviewable.

Build a reviewable balance-of-system material scope from transparent assumptions.

Live calculation · retained project context · engineer review

Electrical BOS / preliminary scope

PV BOS Configurator

Create an editable preliminary balance-of-system scope from string count, combiner grouping and route assumptions.

Engineer reviewEngine 1.1.0

01 Inputs02 Safety boundaries03 Preliminary scope04 Engineer review

Preliminary material scope

6 scoped items

Destination-market standards and enclosure environment · Cable cross-section and installation derating · Protection coordination and earthing system

Engineer review

24 strings ÷ 12 strings per enclosure

Confirm: Confirm IP rating, location and assembly rating.

Qty

Engineer review

One position per string for preliminary scope

Confirm: Confirm reverse-current, fuse voltage and coordination.

Qty

Engineer review

One preliminary isolation point per combiner

Confirm: Confirm voltage, current and switching duty.

Qty

Engineer review

One preliminary SPD set per combiner

Confirm: Confirm exposure assessment, Ucpv and earthing arrangement.

Qty

Engineer review

45 m one-way route × 2 feeder groups

Confirm: Cable cross-section requires the Cable Sizing tool and installation data.

Qty

Engineer review

One preliminary interface per combiner

Confirm: Confirm protocol, sensor topology and control integration.

Qty

Status: review. Quantity edits do not remove the listed engineering confirmations.