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NSX160/3-160A

The Schneider Electric Masterpact NSX160 is a compact, three-pole, 160A molded case circuit breaker (MCCB) from the premium Masterpact NSX range. This device is engineered for reliable protection of critical three-phase feeder circuits, motor supplies, and sub-distribution panels in commercial and industrial applications.

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Parameter Value / Description Product Line / Frame Size Masterpact NSX160 Rated Current (In) 160 A (Set and protected by the installed electronic trip unit). Number of Poles 3 (L1, L2, L3) Breaking Capacity [Must be Specified] – N (Standard, ~50 kA), S (High, ~70 kA), H (High, ~100 kA) Icu at 415V AC. Rated Ultimate Breaking Capacity (Icu) Depends on selected rating (see above). Rated Operational Voltage (Ue) Up to 690 V AC Trip Unit (Must be Specified) Electronic Micrologic only. Common options: • Micrologic 2.2: Basic protection (LSI) with current display. • Micrologic 5.2/6.2: Adds ground fault (G) protection. • Micrologic 6.2E/7.0A: Adds advanced measurement & communication. Communication Capability Native in Micrologic “E” and “A” series trip units. Supports Ethernet, Modbus TCP for integration into EcoStruxure Power. Standard IEC 60947-2 Mounting Withdrawable (standard racking mechanism) or Fixed version. Connection Front or Rear connection (depends on kit). Width Approx. 132 mm (for a 3-pole withdrawable unit).