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NSX630H 3P 630A

The Schneider Electric ComPacT NSX630H 3‑Pole 630 A Molded Case Circuit Breaker (MCCB) is a heavy‑duty low‑voltage circuit protection device used in industrial and commercial electrical distribution systems.

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Specifications Specification Typical Value / Description Product Family ComPacT NSX Molded Case Circuit Breakers Device Type Molded Case Circuit Breaker (MCCB) Model / Designation NSX630H 3P 630 A Number of Poles 3‑pole (3P) — three phases protected simultaneously Rated Current (In) 630 A @ 40 °C Rated Operational Voltage (Ue) 690 V AC, 50/60 Hz Rated Insulation Voltage (Ui) 800 V AC Rated Impulse Withstand Voltage (Uimp) 8 kV Trip Unit Micrologic 2.3 (electronic) with long‑time and instantaneous protection (varies by specific part) Protection Functions Overload (long‑time), Short‑circuit (instantaneous), Earth‑fault/optional functions (depending on trip unit) Utilisation Category Category A (general distribution) Mounting Mode Fixed panel mounting Suitability for Isolation Yes (meets isolation requirements of IEC/EN 60947‑2) Control / Operation Manual toggle handle Standards Compliance IEC/EN 60947‑1 and IEC/EN 60947‑2 molded case circuit breaker standards Mechanical Durability ~15,000 operations (typical) Electrical Durability Varies with voltage and conditions; thousands of cycles typical