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NSX250A4P

The Schneider Electric Masterpact NSX250 is a premium four-pole molded case circuit breaker (MCCB) designed for critical power distribution in commercial, industrial, and infrastructure applications.

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Parameters: Parameter Value / Description Product Line / Frame Size Masterpact NSX250 Rated Current (In) Up to 250 A (Fully adjustable via the electronic trip unit). Number of Poles 4 (L1, L2, L3, N) Breaking Capacity Must be specified (N, S, H, L). Common choice: H (100 kA Icu at 415V). Rated Ultimate Breaking Capacity (Icu) e.g., 100 kA at 415V AC for H rating (IEC 60947-2). Rated Operational Voltage (Ue) Up to 690 V AC Trip Unit (A-Type Advanced) Micrologic Electronic Trip Unit (e.g., 6.0A, 7.0A). Features: • Protection: Adjustable L, S, I, G (Ground Fault). • Measurement: Advanced metering (current, voltage, power, energy, power factor, harmonics). • Communication: Embedded communication ports (Ethernet, Modbus TCP, etc.) for direct integration. Communication Native, multi-protocol support in "A" units for connection to BMS/SCADA and EcoStruxure Power. Standard IEC 60947-2 Mounting Withdrawable (standard, with racking mechanism) or Fixed. Connection Front or Rear (depends on kit). Width Approx. 220 mm (for 4-pole withdrawable unit). Neutral Configuration Typically 4P4D (all poles protected) or 4P3D (neutral switched but not protected).