Parameter Specification Product Model FWP-400C Product Line Eaton FWP Series Molded Case Circuit Breakers Rated Current 400 A Number of Poles 3 Poles Rated Voltage 600 V AC (50/60 Hz) Breaking Capacity 25 kA (at 480 V AC, per UL 489) Trip Unit Thermal-magnetic Mounting Fixed (panelboard installation) Operating Temperature -25°C to 70°C Standards Compliance UL 489, IEC 60947-2