The Schneider Electric Masterpact NSX160A 3P is a compact, high-performance, three-pole molded case circuit breaker (MCCB) from the flagship Masterpact NSX range.
Parameter Value / Description
Product Line / Frame Size Masterpact NSX160
Rated Current (In) Up to 160 A (Fully adjustable via the Micrologic A trip unit).
Number of Poles 3 (L1, L2, L3)
Breaking Capacity Must be specified (N, S, H). Common choice: S (70 kA Icu) or H (100 kA Icu) at 415V AC.
Rated Ultimate Breaking Capacity (Icu) e.g., 70 kA for S rating, 100 kA for H rating at 415V AC (IEC 60947-2).
Rated Operational Voltage (Ue) Up to 690 V AC
Trip Unit Micrologic A-Type (e.g., 7.0A). Core features:
• Protection: Fully adjustable Long-time (L), Short-time (S), Instantaneous (I), Ground Fault (G).
• Measurement: High-accuracy metering (Current, Voltage, Power (kW/kVA/kvar), Power Factor, Energy (kWh/kvarh), Harmonics up to 31st order).
• Communication: Dual embedded Ethernet ports with Modbus TCP, other protocols optional (e.g., Profibus DP). Supports daisy-chaining.
Communication Native, multi-protocol, Ethernet-enabled for direct integration into EcoStruxure Power, BMS, or SCADA systems.
Data & Diagnostics Extensive event logging, alarm history, waveform capture, and thermal monitoring.
Standard IEC 60947-2
Mounting Primarily Withdrawable (standard with racking mechanism) or Fixed.
Connection Front or Rear (depends on kit).
Width (Withdrawable 3P) Approximately 132 mm
Neutral Configuration N/A (This is a 3-pole device). For 4-wire systems, a 4P (3P+N) version must be selected.