Overview
The C40F37E400 is a Schneider ComPacT NSX molded case circuit breaker rated 400 A at 40 °C with a 40 kA ICu breaking capacity at 440 V AC, three poles, and a MicroLogic 7.3 E electronic trip unit that integrates earth-leakage protection (R) alongside overload (L), short-time (S), and instantaneous (I) curves. It is a fixed-mount, toggle-operated unit with an LCD display for energy metering and event logs, built to EN/IEC 60947-2 and pollution degree 3 per IEC 60664-1.
Lifecycle and sourcing
The C40F37E400 is in active production; lead time is typically quoted per RFQ, and the part is available through current distribution channels.