Specifications General Product Type: Molded Case Circuit Breaker (MCCB) Series / Family: ComPacT NSX Model: NSX160F Number of Poles: 4 (three phases + neutral) Rated Current (In): 125 A Mounting Type: Panel or switchboard installation Application: Protection for low‑voltage three-phase electrical distribution circuits Electrical Ratings Rated Operational Voltage (Ue): Designed for low‑voltage systems, typically up to ~690 V AC Rated Frequency: 50/60 Hz Rated Insulation Voltage (Ui): Suitable for standard low‑voltage insulation levels Rated Impulse Withstand Voltage (Uimp): Designed to withstand typical transient overvoltages Protection & Trip Characteristics Trip Mechanism: Thermal‑magnetic trip unit Overload Protection: Thermal element provides overload protection Short-Circuit Protection: Magnetic element provides short-circuit protection Tripping Characteristics: Both thermal and magnetic elements react to abnormal current levels, ensuring dependable protection under fault conditions Breaking Capacity & Performance Breaking Capacity: Rated for safe interruption of fault currents typically encountered in low‑voltage electrical distribution systems Interrupting Performance: Reliable protection for electrical circuits, conductors, and connected equipment Mechanical & Environmental Terminal Connections: Suitable for screw or clamp terminal connections Mechanical Durability: Designed for long-lasting performance with reliable fault clearing capability Housing Design: Compact modular construction for easy integration into distribution boards Operating Environment: Indoor electrical installations, such as distribution panels, control systems, and switchgear