Parameters Parameter Specification Product Name Schneider Electric Masterpact MT25N2 Device Type Low‑Voltage Frame Circuit Breaker Number of Poles 3 Poles (3P) Rated Current (In) 2500 A Network Type AC Rated Operational Voltage (Ue) Up to 690 VAC, 50/60 Hz Rated Insulation Voltage (Ui) 1000 VAC Impulse Withstand Voltage (Uimp) 12 kV Breaking Capacity Frame Code N standard breaking level Ultimate Short‑Circuit Breaking Capacity (Icu) High kA level suitable for industrial systems (depends on specific trip unit and configuration) Service Short‑Circuit Breaking Capacity (Ics) Comparable to Icu depending on settings Trip Unit (optional) Electronic trip unit (e.g., Micrologic series) with overload and short‑circuit protection functions Control Type Push‑button or handle operated (configuration dependent) Mounting Mode Fixed or draw‑out frame depending on panel design Suitability for Isolation Yes Selectivity Category Category B Protection Functions Adjustable overload, short‑circuit and fault protection with electronic trip settings Typical Application Industrial and commercial power distribution, main feeder protection, service entrance protection