The Schneider Electric Compact NSX160M N 3P 125A is a 3-pole, 125A, M-frame molded case circuit breaker (MCCB) from the premium Compact NSX series. Featuring a standard thermal-magnetic trip unit ("N"), it provides robust and reliable overload and short-circuit protection for three-phase circuits in demanding commercial and industrial applications.
Specifications
Parameter Specification
Product Series Compact NSX
Product Line NSX160M
Number of Poles 3 Poles (3P)
Rated Current (In) 125 Amperes
Trip Unit Type N – Standard Thermal-Magnetic (TM-D)
Trip Unit Characteristics • Thermal Protection (Ir): Fixed at 125A (inverse-time).
• Magnetic Protection (Im): Fixed instantaneous setting, typically ~10 x In (1250A).
Frame Size (Iu max) 160M Frame (Maximum current rating for this physical size is 160A)
Breaking Capacity (Icu @ 400V AC) 50 kA, 70 kA, or 100 kA (Selectable based on specific catalog suffix).
Rated Operational Voltage (Ue) 690 V AC
Rated Insulation Voltage (Ui) 1000 V AC
Short-Time Withstand (Icw) Typically 15-25 kA for 1s (model dependent)
Connection Front or rear connection, screw terminals suitable for larger cables.
Terminal Capacity Suitable for copper/aluminum cables (typical up to 95 mm²).
Mounting Fixed or plug-in versions available. DIN Rail or Panel Mount.
Width (3P) 105 mm
Mechanical Life 20,000 operations
Electrical Life 8,000 operations at rated current
Standards IEC/EN 60947-2, UL 489, CCC, CE
Ambient Temperature -25°C to +70°C