18% (18) 1.1k views 8 pages

HD4 SF6 Indoor Circuit-Breaker Update Technical Note

AI-enhanced description

This technical commercial information document announces an update to the ABB HD4 series of SF6 indoor medium-voltage circuit-breakers for primary distribution, specifically for 12/17.5 kV ratings up to 1250 A and 31.5 kA. It details new commercial codes, construction types (freestanding and withdrawable), interchangeability with previous models, and the transition timeline for supply.

Uploaded by WILLIAM.gonzalez
Download
/ 8
Loading document…