Indal Handbook For Aluminium Busbar High Quality Jun 2026

Ratings are usually based on a 35°C to 50°C rise over ambient.

, which offer economic and weight advantages over stranded conductors. Isolated-Phase Busbar (IPB) Indal Handbook For Aluminium Busbar

"Gentlemen, the Indal handbook shows that a 200mm x 20mm aluminium busbar carries the same current as a 120mm x 12mm copper bar. But the aluminium bar weighs one-third as much. Your building's roof structure won't need reinforcement. Your expansion joints will last longer because aluminium’s thermal expansion is closer to concrete than copper’s. And at current prices, the aluminium busbar run will cost 40% less. The risk is not the metal. The risk is bad joints. We will use tin-plated copper connectors, Belleville washers, and this torque schedule from page 47." Ratings are usually based on a 35°C to