Parameter Specification Product Series Eaton IZM Model Number IZM67B3-PG20WH Description Molded Case Circuit Breaker, 250A, 3-Pole, Current Limiting, Fixed Mount Frame Size IZM67 Rated Current (In) 250 A (Fixed) Number of Poles 3 Rated Operational Voltage (Ue) 480V AC Rated Insulation Voltage (Ui) 690V AC Rated Ultimate Short-Circuit Breaking Capacity (Icu) Very High, e.g., 65 kA or 100 kA @ 480V AC Trip Unit Type Electronic (as suggested by "PG" code, which often denotes a specific electronic trip unit setting) Mounting Fixed Operating Handle White (WH) Standards & Certifications IEC 60947-2, UL 489, CCC, CE