The Schneider Electric Compact NSX is a versatile 4-Pole Moulded Case Circuit Breaker (MCCB) equipped with an adjustable electronic trip unit. The key feature of this model is its wide adjustable current range of 100A to 160A, accommodated within a single frame (NSX160 or NSX100, typically NSX160 frame for this range).
Parameter Specification
Product Line / Range Acti 9 / Compact NSX
Frame Size Typically NSX160 (to support up to 160A)
Number of Poles 4-Pole (4P - 3 Phase + Neutral)
Adjustable Current Range (Ir) 100A to 160A (Continuously or stepwise adjustable via the trip unit)
Breaking Capacity Category Must be specified (e.g., N, H, S). Common for this range is N (50kA).
Rated Ultimate Breaking Capacity (Icu) Depends on category (e.g., N: 50 kA at 415V AC).
Trip Unit Type Electronic Micrologic Unit (e.g., Micrologic 5.0, 6.0, or 7.0, denoted by MA in ordering code).
Protection Functions • Overload (L) – Adjustable (Ir)
• Short-Circuit (S) – Adjustable (Isd, Ii)
• Ground Fault (G) – *Available with Micrologic 6.0/7.0*
• Measurement (I) – *Available with Micrologic 5.0/7.0*
Rated Operational Voltage (Ue) Up to 690V AC
Standards & Compliance IEC 60947-1 & 60947-2
Mounting Style Fixed, Plug-in, or Withdrawable (must be specified).