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NSX6303P 630A

The Schneider Electric Masterpact NSX630 is a high-current, three-pole, 630A molded case circuit breaker (MCCB) from the flagship Masterpact NSX range. Designed for main power distribution, busbar ties, and protection of very large feeders in demanding commercial, industrial, and data center applications.

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Parameter Value / Description Product Line / Frame Size Masterpact NSX630 Rated Current (In) 630 A (Frame rating. Operational current is set and adjusted via the installed electronic trip unit). Number of Poles 3 Breaking Capacity (Key Selection) Must be specified: • N (Standard): ~50 kA Icu • S (Standard High): ~70 kA Icu • H (High): ~100 kA Icu • L (Extreme High): ~150 kA Icu *Example: NSX630N, NSX630H Rated Ultimate Breaking Capacity (Icu) Depends on selected rating. e.g., H rating: 100 kA at 415V AC (IEC 60947-2). Rated Operational Voltage (Ue) Up to 690 V AC Trip Unit (Must be Specified) Electronic Micrologic only. Wide range available: • Basic Protection: Micrologic 2.0A - 6.0A (LSI protection). • Protection + Measurement: Micrologic 5.0E - 6.0E (adds power/energy metering). • Protection + Communication: Micrologic 5.0A/6.0A/7.0A (adds embedded comms). Communication Native in Micrologic "A" and "E" series. Supports Ethernet, Modbus TCP, Profibus DP, etc., for direct integration into EcoStruxure Power. Standard IEC 60947-2 Mounting Style Primarily Withdrawable (standard racking mechanism for easy maintenance). Also available in Fixed version. Connection Front or Rear connection (depends on kit). Width (Withdrawable 3P) Approximately 252 mm