OneFit Hard-Bus Retrofill Product Guide

This document is a product guide for ABB's OneFit hard-bus retrofill design concept, which enables easy connection of new standard apparatus to existing medium voltage switchgear of any age, design, or brand. It covers selection guides, safety kits for IEC-GB and ANSI-IEEE standards, packages, components, accessories, apparatus fitting, earthing and removal trucks, development process, and installation/commissioning.