Technical Parameters Parameter Category Description / Value Brand & Series Eaton, T0 Series Model Number T0-4-8223/E Rated Operational Current (Ie) 32 A (at AC-22/AC-23, typical for this code) Number of Poles 4-Pole (3 phases + neutral) Rated Operational Voltage (Ue) 690V AC Rated Insulation Voltage (Ui) 750V AC Rated Impulse Withstand Voltage (Uimp) 8 kV Utilization Categories AC-22 (Switching mixed resistive and inductive loads) AC-23 (Switching motor loads) Auxiliary Contacts E - Specific auxiliary contact configuration (e.g., 1 NO contact) Operation Type Rotary Handle Operation Mechanical Life ~ 20,000 operations Electrical Life ~ 5,000 operations (at rated current) Mounting DIN Rail (35mm) Standards Compliance IEC/EN 60947-3