The Schneider Electric Compact NSX100F 4P 63A is a 4-pole (3-phase + neutral), 63A, fixed-type molded case circuit breaker from the premium Compact NSX series. It provides complete overload and short-circuit protection for all live conductors in three-phase four-wire systems, making it ideal for main distribution and critical feeder applications in commercial, industrial, and infrastructure projects where neutral protection and isolation are required.
Specifications
Parameter Specification
Product Series Compact NSX
Model / Frame NSX100F
Number of Poles 4 Poles (3P + N) – All four poles are fully protected.
Rated Current (In) 63 Amperes
Frame Rating (Iu max) 100 A
Trip Unit Type Thermal-Magnetic (TM-D) or Electronic (Micrologic) options available. The 63A rating refers to the fixed setting or adjustable range of the installed trip unit.
Breaking Capacity (Icu @ 400V) 36 kA, 50 kA, 70 kA, or 100 kA (Selectable via model suffix - N, H, L/S).
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 10-15 kA for 1s
Connection Front or rear connection, screw terminals.
Terminal Capacity Suitable for copper/aluminum cables (typically up to 50-70 mm²).
Mounting Fixed Mounting (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