Specifications Product Range: ComPacT NSX M‑Frame Device Type: 4‑Pole Molded Case Circuit Breaker (MCCB) Trip Mechanism: Thermal‑magnetic (MA type) Number of Poles: 4 (three phases + neutral) Rated Current (In): 25 A Mounting Type: Fixed panel or switchboard mounting Application: Protection of low‑voltage three‑phase distribution circuits including neutral disconnection Electrical Ratings Rated Operational Voltage (Ue): Suitable for low‑voltage AC systems, typically up to ~690 V AC Rated Frequency: 50/60 Hz Rated Insulation Voltage (Ui): Designed for standard low‑voltage distribution systems Rated Impulse Withstand Voltage (Uimp): Built to withstand typical transient overvoltages Protection & Trip Characteristics Thermal Overload Protection: Yes — thermal element responds to sustained overload currents Magnetic Short‑Circuit Protection: Yes — magnetic element responds to high fault currents Trip Behavior: Predictable combined thermal and magnetic action for dependable circuit interruption Breaking Capacity & Performance Breaking Capacity: Engineered to interrupt fault currents typically encountered in low‑voltage distribution systems Performance: Provides reliable fault clearing and circuit protection Mechanical & Environmental Terminal Connections: Screw or clamp type terminals for secure conductor attachment Mechanical Durability: Designed for long service life and multiple operations Design: Compact modular housing for efficient panel integration Neutral Disconnection: Complete four‑pole disconnection for safety and isolation