The Schneider Electric Compact NSX160M N 3P 160A is a 3-pole, 160A, M-frame molded case circuit breaker (MCCB) from the premium Compact NSX series. Equipped with a standard thermal-magnetic trip unit ("N"), it is designed for robust overload and short-circuit protection of three-phase circuits, operating at the maximum rated current of its frame. This device is ideal for demanding feeder and distribution applications in commercial and industrial environments.
Specifications
Parameter Specification
Product Series Compact NSX
Product Line NSX160M
Number of Poles 3 Poles (3P)
Rated Current (In) 160 Amperes (This is the maximum rating for the M-frame)
Trip Unit Type N – Standard Thermal-Magnetic (TM-D)
Trip Unit Characteristics • Thermal Protection (Ir): Fixed at 160A (inverse-time).
• Magnetic Protection (Im): Fixed instantaneous setting, typically ~10 x In (1600A).
Frame Size (Iu max) 160M Frame (Maximum current rating = 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 large cables.
Terminal Capacity Suitable for copper/aluminum cables (typical up to 120-150 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