The ACB Problem

Typically a 24- hours a day, 7-days a week operation they require unquestioned continuity of supply. Any such business must keep any interruption to supply to an absolute minimum—even if planned.

The main package substation was some 15 years old.

Installation of a new production facility demanded increased capacity resulting in the need for:

• Transformer upgrade.
• ACB Protection replacement.
• Addition of fuse-switch outgoing circuits.
• Overhead busbar trunking.