Parameter Specification Product Series Eaton IZM Model Number IZM67N3-AC40WH Description Molded Case Circuit Breaker, 400A, 3-Pole, Fixed Mount Frame Size IZM67 Rated Current (In) 400 A (Fixed) Number of Poles 3 Rated Operational Voltage (Ue) 480V AC Rated Insulation Voltage (Ui) 690V AC Trip Unit Type AC Trip Unit (Fixed Setting) Mounting Fixed Operating Handle White (WH) Standards & Certifications IEC 60947-2, UL 489, CCC, CE