The Phoenix Contact 1022234 is a robust bus bar designed for TMC 73 series three-phase circuit breakers, featuring a 17.8 mm pitch and accommodating up to 57 positions. Rated for 80 A and 600 V AC/DC, this bus bar is UL 508 Listed, ensuring reliable connection with UL 1077 rated circuit breakers. Ideal for industrial applications requiring efficient power distribution, it supports optional accessories like shunt releases and signal contacts, enhancing its versatility and functionality.