This Acti9 MSC 3-phase chassis product is a pan assembly which can be installed in Acti9 Isobar B distribution board. It is designed to support hybrid configurations of miniature circuit breakers (MCBs) and residual current circuit breakers with overcurrent protection (RCBOs). supports dual feed configurations for flexible load management. The chassis features 1 incomer way (3-pole) and 12 outgoing ways. The outgoer section supports 6 modules of 27 mm and 6 modules of 18 mm The chassis is rated for 250 A and can withstand a short-circuit current of 25 kA.