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NS1600/3 1600A

The Schneider Electric Compact NS1600/3 (modern equivalent: Compact NSX1600) is a high-current, three-pole, 1600A molded case circuit breaker (MCCB) from the legacy Compact NS series (now succeeded by the enhanced Compact NSX platform).

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Parameters : Parameter Value / Description Legacy Series / Modern Equivalent Compact NS Series / Compact NSX1600 Series Rated Current (In) 1600 A (Frame rating. Operational current is set by the installed trip unit). Number of Poles 3 (as denoted by /3) Breaking Capacity Must be specified. Available in multiple levels (e.g., N, H, L, V for NSX). Common high ratings: H1 (100 kA Icu) or L1 (150 kA Icu) at 415V. Rated Ultimate Breaking Capacity (Icu) Depends on selected rating. Example (H1): 100 kA at 415V AC (IEC 60947-2). Example (L1): 150 kA. Rated Operational Voltage (Ue) Up to 690 V AC Trip Unit (Legacy NS Options) Thermal-Magnetic (TM) or Electronic (STR/STU Micrologic). The modern NSX1600 uses Micrologic electronic trip units exclusively. Trip Unit (Modern NSX1600 Standard) Electronic Micrologic. Wide range: Micrologic 2.0A to 7.0A for protection, measurement, and communication. Mounting Fixed or Withdrawable (Draw-out version is standard for easy maintenance and testing). Connection Front or Rear connection (depends on kit). Designed for heavy busbar or parallel cable connections. Standards IEC 60947-2 Typical Applications Main LV incoming circuit breaker for large buildings/factories, busbar sectionalizer/coupler, large transformer (e.g., 1000-2000kVA) secondary protection, large generator main breaker.