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NSX 4P 100F 40A

The Schneider Electric Compact NSX100F 4P 40A is a 4-pole (3-phase + neutral), 40A, fixed-type molded case circuit breaker (MCCB) from the premium Compact NSX series. This device provides complete overload and short-circuit protection for all live conductors in three-phase four-wire systems

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Specifications Parameter Specification Product Series Compact NSX Model / Frame NSX100F Number of Poles 4 Poles (3P + N) – All four poles are protected. Rated Current (In) 40 Amperes Frame Rating (Iu max) 100 A Trip Unit Type Available in: Thermal-Magnetic (TM-D) or Electronic (Micrologic) variants. Breaking Capacity (Icu @ 400V) 36 kA, 50 kA, or 70 kA (Selectable via model suffix - e.g., N, H, L). 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 up to 25 mm²). Mounting Fixed Mounting (F) – Panel or DIN rail via adapter. Width (4P) ~140 mm (Thermal-Magnetic version) ~210 mm (Electronic version with display) 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