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NSX 4P 100N 80A

The Schneider Electric Compact NSX 4P 100N 80A is a 4-pole (3-phase + neutral), 80A molded case circuit breaker from the premium Compact NSX series. The "100N" designation indicates it is built on the 100A frame and is equipped with a standard thermal-magnetic (N) trip unit. It provides reliable and cost-effective overload and short-circuit protection for all live conductors in three-phase four-wire systems where neutral isolation and protection are required.

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Specifications Parameter Specification Product Series Compact NSX Model / Frame NSX 100N Number of Poles 4 Poles (3P + N) – All four poles are protected. Rated Current (In) 80 Amperes Frame Rating (Iu max) 100 A Trip Unit Type N – Standard Thermal-Magnetic (TM-D) Trip Unit Characteristics • Thermal Protection (Ir): Fixed at 80A (inverse-time). • Magnetic Protection (Im): Fixed instantaneous setting, typically ~10 x In (800A). Breaking Capacity (Icu @ 400V) 36 kA, 50 kA, or 70 kA (Selectable via model suffix - e.g., 2.2, 3.0). Must be specified in the full order code. Rated Operational Voltage (Ue) 400/415V AC (3P+N systems), up to 690V AC. Rated Insulation Voltage (Ui) 1000V AC Short-Time Withstand (Icw) Typically 7.5-10 kA for 1s (model dependent) Connection Front or rear connection, screw terminals. Terminal Capacity Suitable for copper/aluminum cables (typical range up to 50 mm²). Mounting Fixed or Plug-in (P) version available (specified in full model code, e.g., F for Fixed). Width (4P) ~140 mm Mechanical Life 20,000 operations Electrical Life 8,000 operations at rated current Operating Temperature -25°C to +70°C Standards IEC 60947-2, UL 489, CCC, CE