The XT3NU3080AFF000XXX from ABB is three pole molded case circuit breaker with fixed thermal/fixed magnetic trip and front line/load side. This circuit breaker has 80A current rating, 600Y/347VAC voltage ratings and 10 kA interrupt rating. Feature high specific let-trhough current peak and energy limiting characteristics that allow the ciruits and equipment on the load side to be sized in optimum way. Ideal solution for all distribution levels from the main low voltage sweitchboard to the subswtichboards in the installatin.