The Hager KDN363F is a 3-pole busbar, also known as a comb busbar, with fork connections for 12 modules. It is designed to distribute up to 63 A through a 10 mm² connection cross-section and supports structured wiring in distribution boards. With a length of 210 mm, a 3P configuration, and a rated operational voltage of 230–400 V, the busbar is suitable for modular installations in distribution boards and control cabinets. It is configured as 3-phase/N + 8x phase and is designed to connect one 4-pole RCCB and eight single-pole miniature circuit breakers.