Specifications General Product Type: Molded Case Circuit Breaker (MCCB) Series / Family: NSC S‑Frame Model: NSC160S Number of Poles: 3 (three phases) Rated Current (In): 160 A Mounting Type: Fixed panel or distribution board installation Application: Protection of low‑voltage three‑phase electrical circuits Electrical Ratings Rated Operational Voltage (Ue): Suitable for low‑voltage AC systems (commonly up to ~690 V AC) Rated Frequency: 50/60 Hz Rated Insulation Voltage (Ui): Designed for standard low‑voltage distribution insulation requirements Rated Impulse Withstand Voltage (Uimp): Capable of withstanding typical transient overvoltages Protection & Trip Characteristics Trip Mechanism: Thermal‑magnetic protection Overload Protection: Thermal element responds to prolonged overload currents Short‑Circuit Protection: Magnetic element responds to high fault current levels Tripping Behavior: Combined thermal and magnetic action for dependable circuit interruption Breaking Capacity & Performance Breaking Capacity: Engineered to interrupt fault currents typical of low‑voltage power distribution systems Performance: Reliable fault clearing to protect conductors, wiring, and connected equipment Mechanical & Environmental Terminal Connections: Screw or clamp type terminals for secure conductor attachment Mechanical Durability: Designed for dependable repeated operation Design: Compact modular housing for efficient panelboard and switchboard integration Operating Environment: Indoor electrical distribution boards and switchgear