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NSX 3P 630A

The Schneider Electric Masterpact NSX630 is a high-current, three-pole molded case circuit breaker (MCCB) from the flagship Masterpact NSX range. With a 630A frame, it is engineered to provide superior protection, control, and connectivity for main incoming feeders, busbar ties, and large power distribution circuits in demanding commercial, industrial, and infrastructure applications.

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Parameter Value / Description Product Line / Frame Size Masterpact NSX630 Rated Current (In) 630 A (Frame Rating). The 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 the selected breaking capacity rating (N, S, H, L) and operational voltage. (e.g., 100 kA at 415V AC for an H rating per IEC 60947-2). Rated Operational Voltage (Ue) Up to 690 V AC Trip Unit (Essential Selection) Electronic Micrologic only. Wide range available: • Basic Protection: Micrologic 2.0A - 6.0A (L, S, I, G functions). • Protection + Measurement: Micrologic 5.0E - 6.0E (adds power, energy metering). • Protection + Comms: Micrologic 5.0A/6.0A/7.0A (adds embedded communication). Communication Native in advanced units (Micrologic A, E). Supports Ethernet, Modbus TCP, Profibus DP, etc., enabling direct integration into BMS/SCADA and EcoStruxure Power platforms. Standard IEC 60947-2 Mounting Style Primarily Withdrawable (standard feature for easy maintenance). Also available in Fixed version. Connection Front or Rear connection (depends on the specific kit/housing). Width Approximately 252 mm (for a 3-pole withdrawable unit. Confirm with exact catalog reference).