The XT5NU360BDFF000XXX: The XT5N-D 600 designation identifies the frame size and interrupting rating within ABB's XT5 family. A 600 A frame means this breaker is sized for main or large feeder protection in a low-voltage switchboard or MCC bucket. The molded case construction gives it a high short-circuit current rating (SCCR) suitable for industrial fault levels, and the thermal-magnetic trip unit provides both overload and instantaneous short-circuit protection.
Panel Integration
This breaker mounts into a standard ABB XT5 drawout or fixed cradle, which itself bolts into a switchgear lineup or MCC section. The line and load connections are bus-bar or cable lugs rated for the 600 A continuous current. For a panel builder, the key integration check is the mounting cradle compatibility — the XT5N-D 600 fits the same cradle as other XT5 frame breakers, so a spare unit can be swapped without reworking the buswork.
