Molded Case Circuit Breaker, 600V 400A, 100kA@240Vac - 65kA@480Vac - 25kA@600Vac, 12.80 in., 3, 300-800A, 400A, 40deg Celsius, 50 / 60HZ, 600 Vac, 8.10 in., 8.30 in., Ambient environment, Basic (ET1.0), Electronic, Electronic Trip Circuit Breaker UL Listed, CSA Certified, IEC Rated This listing is for Each of 1 Voltage:600V AC UNSPSC:39121616 Amps:400A Interrupting Rating:100KA@240VAC - 65KA@480VAC - 25KA@600VAC Poles:3-Pole ECCN:EAR99 Country of Origin:US - USA