One Module Add On Blocks (AOB)
Our single module wide RCD Add-On Block (AOB) is designed to convert any Hager three module MCB up to 63A into a four module wide RCBO. This can save up to 40% of space in the commercial and light industrial applications.
AOB AOB
The RCD add-on block + MCB provides the protective characteristics of both devices, thereby protecting the panelboards entire circuit and removing the need to wire between DIN mounted RCD & MCB. This results in a significant reduction of time, labour & the size & cost of integrated RCD socket outlets.