The Schneider Electric Masterpact NSX160 is a compact, three-pole, 160A molded case circuit breaker (MCCB) from the premium Masterpact NSX range. This device is engineered for reliable protection of critical three-phase feeder circuits, motor supplies, and sub-distribution panels in commercial and industrial applications.
Parameter Value / Description
Product Line / Frame Size Masterpact NSX160
Rated Current (In) 160 A (Set and protected by the installed electronic trip unit).
Number of Poles 3 (L1, L2, L3)
Breaking Capacity [Must be Specified] – N (Standard, ~50 kA), S (High, ~70 kA), H (High, ~100 kA) Icu at 415V AC.
Rated Ultimate Breaking Capacity (Icu) Depends on selected rating (see above).
Rated Operational Voltage (Ue) Up to 690 V AC
Trip Unit (Must be Specified) Electronic Micrologic only. Common options:
• Micrologic 2.2: Basic protection (LSI) with current display.
• Micrologic 5.2/6.2: Adds ground fault (G) protection.
• Micrologic 6.2E/7.0A: Adds advanced measurement & communication.
Communication Capability Native in Micrologic “E” and “A” series trip units. Supports Ethernet, Modbus TCP for integration into EcoStruxure Power.
Standard IEC 60947-2
Mounting Withdrawable (standard racking mechanism) or Fixed version.
Connection Front or Rear connection (depends on kit).
Width Approx. 132 mm (for a 3-pole withdrawable unit).