The Schneider Electric Compact NSX is a versatile 3-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 (typically the NSX160 frame).
Parameter Specification
Product Line / Range Acti 9 / Compact NSX
Frame Size NSX160 (to support up to 160A)
Number of Poles 3-Pole (3P)
Adjustable Current Range (Ir) 100A to 160A (Continuously adjustable via the electronic trip unit)
Breaking Capacity Category Must be specified (e.g., F, N, H). Common choices are F (25kA) or N (50kA).
Rated Ultimate Breaking Capacity (Icu) Depends on selected category (e.g., F: 25 kA, N: 50 kA at 400V AC).
Trip Unit Type Electronic Micrologic Unit (Essential for adjustable current). Example: Micrologic 5.0A, 6.0A.
Protection Functions • Long-Time Delay (L) – Adjustable Ir (0.4-1 x In) & Tr
• Short-Time Delay (S) – Adjustable Isd & Tsd
• Instantaneous (I) – Adjustable Ii
• Ground Fault (G) – *Available with Micrologic 6.0/7.0*
Rated Operational Voltage (Ue) Up to 690V AC