Parameter Specification Product Model NSP20M4385 TNSR Product Line Eaton NSP Series Circuit Breakers Rated Current 20 A Number of Poles 3 Poles Rated Voltage 480 V AC (50/60 Hz) Breaking Capacity 10 kA (at 480 V AC) Trip Type Thermal-magnetic Mounting DIN-rail (35 mm) Standards Compliance IEC 60947-2, UL 489