The Encapsulated DC chassis 84P is designed for a maximum current of 250 A. It has a top feed configuration and a withstand rating of Icw 25 kA/0.1s and 10 kA/1s, as well as an Icc rating of 30 kA. The incoming terminals are made of 2 mm thick copper, while the base is made of 1.2 mm thick galvanized iron. The chassis is coated with duravin SCI-TV, making it suitable for use with S200 breakers in the IA range IPD.