Specifications General Product Type: Molded Case Circuit Breaker (MCCB) Series / Family: ComPacT NSX H‑Frame Model: NSX80H MA Number of Poles: 3 (three phases) Trip Mechanism: Thermal‑magnetic (MA type) Rated Current (In): 25 A Mounting Type: Fixed panel or switchboard installation Application: Protection of low‑voltage three‑phase distribution circuits Electrical Ratings Rated Operational Voltage (Ue): Designed for low‑voltage AC systems (commonly up to ~690 V AC) Rated Frequency: 50/60 Hz Rated Insulation Voltage (Ui): Suitable for standard low‑voltage distribution insulation requirements Rated Impulse Withstand Voltage (Uimp): Designed to withstand typical transient overvoltages Protection & Trip Characteristics Overload Protection: Thermal element responds to sustained overload currents Short‑Circuit Protection: Magnetic element responds to high fault current levels Trip Behavior: Combined thermal and magnetic action provides reliable response under abnormal current conditions Breaking Capacity & Performance Breaking Capacity: Designed to safely interrupt fault currents encountered in typical low‑voltage distribution systems Performance: Provides dependable fault clearing to protect conductors and downstream equipment Mechanical & Environmental Terminal Connections: Screw or clamp type terminals for secure conductor attachment Mechanical Durability: Engineered for long service life and repeated operations Design: Modular compact housing for easy integration into distribution panels and switchboards