With multiple factors at play such as protection, footprint, ease of use, maintenance and, of course, reliability, the appropriate selection of switchboard gears – whether circuit-breakers, contactors, TSE or disconnect switches – is no easy task.
 
From the outset, the choice of switchboard incomer is an important part of this selection process and requires careful consideration – too often, however, this seemingly simple choice is overlooked.
 
The purpose of this document is to demonstrate the requirements for both main and sub distribution boards according to IEC standards – and the benefits that can be delivered if the right solution is selected from the start.