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    Load Characteristics

    Check any motor-driven appliances you plan to use — this sizes the inverter's surge rating, not the continuous load.

    Large systems 5kW+. Thinnest DIY-safe cables, lowest losses. Industry standard for residential off-grid.

    Recommended Inverter

    4 kW
    Rated for 3572 VA continuous
    1800W Peak Surge

    Installation Specs

    DC Current (Max)75 A
    Fuse / Breaker94 A
    Wire Size (5m run)6.5mm (2 AWG)

    Model Recommendations

    Click to select — feeds into system cost estimate

    Cable Sizing & Voltage Drop
    Standalone
    ImperialMetric

    Override
    48V DC
    m
    1m5m (recommended inverter)1000m
    Recommended: 2 AWG — cheapest cable ≤3% drop, ≤80% ampacity
    ✓ Selected
    6.5mm (2 AWG) — 33.2 mm² — rated 115A
    ThinnestThickest
    6.5mm2 AWG
    Carrying 75A @ 48V over 5m
    0.39Vdrop (0.8%)
    99.2%efficiency
    Voltage at load: 47.6V of 48V