Busbar Sizing Calculator

Find the correct busbar cross-section and standard dimensions for copper or aluminium busbars in panels and switchboards.

Busbar Sizing Calculator

Results

Recommended Busbar Size100×10 mm
Cross-Sectional Area (mm²):1000 mm²
Current Density (A/mm²):1.0 A/mm²
Standard Dimensions (W×T mm):100×10
Material Rating Factor:1.0 (copper)
Rule of ThumbI_rated ≈ 1.2–1.6 A/mm² (copper, edge-mounted)