This document describes the Multipact 100A TPN MCB Board, which is a three-phase miniature circuit breaker distribution board that perfectly fits in with Multi 9 final distribution equipment. The board is made of galvanized 1.2mm steel sheet with a high-quality epoxy powder surface coating and has an IP41 degree of protection. It has a busbar rating of 100A and a short circuit breaking capacity of 24kA. The board also includes a main switch connection bar and an earth link for the hinge door.