Schneider Electric NSC630K / ComPacT NSX630 3‑Pole 630 A Molded Case Circuit Breaker (MCCB) is a three‑pole low‑voltage power distribution protective device designed to provide overload, short‑circuit and isolation protection in industrial and commercial electrical systems.
Specifications
Parameter Specification
Product Name Schneider Electric NSC630K / ComPacT NSX630 MCCB
Device Type Molded Case Circuit Breaker (MCCB)
Device Series / Range ComPacT NS (NSX) / NSC series
Poles 3‑Pole (3P)
Rated Current (In) 630 A @ 40 °C (electronic trip unit setting)
Rated Operational Voltage (Ue) Up to 690 V AC, 50/60 Hz
Rated Insulation Voltage (Ui) ~800 V AC (IEC/EN 60947‑2)
Network Type / Frequency AC / 50/60 Hz
Utilisation Category Category A distribution (general purpose)
Breaking Capacity (Icu) 50 kA @ 380/415 V AC (IEC/EN 60947‑2) – typical; variations depend on variant/type
Rated Service Breaking Capacity (Ics) 50 kA @ 380/415 V AC (IEC/EN 60947‑2) – typical
Trip Unit Type Electronic trip unit (e.g., ETS2.3 or MicroLogic family)
Protection Functions (Electronic Trip) Long‑time (L), Short‑time (So), Instantaneous (I) – depends on trip unit model
Control Type Toggle or manual operator
Mounting Mode Fixed panel mounting
Standards Complied IEC/EN 60947‑2 (Circuit breakers)