The Encapsulated Chassis 84P is designed for use with S200 breakers in the IA range. It features a total of 84-poles, with 24-poles in the RWBN configuration and 60-poles in the RWB configuration. The chassis has a top feed and can withstand a rating of 250 A. It has 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 for added durability and protection.