The Encapsulated Chassis 72P RWBN is a universal feed with a withstand rating of 250 A. It has an Icw rating of 25 kA/0.1s and 10 kA/1s, as well as an Icc rating of 30 kA. The chassis features 2 mm thick copper incoming terminals and a 1.2 mm thick galvanized iron base. It is coated with duravin SCI-TV, making it suitable for S200 breakers in the IA range IPD.