Specifications General Product Type: Molded Case Circuit Breaker (MCCB) Series / Family: EZD100E Model: EZD100E 4P 40A Number of Poles: 4 (three phases + neutral) Rated Current (In): 40 A Mounting Type: Fixed panel or distribution board mounting Application: Protection of low‑voltage four‑wire circuits in distribution systems Electrical Ratings Rated Operational Voltage (Ue): Suitable for low‑voltage AC systems (commonly up to ~415 V AC / 230/400 V three‑phase) 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 sudden high fault currents Tripping Behavior: Combined thermal and magnetic action for reliable circuit interruption under abnormal current conditions Breaking Capacity & Performance Breaking Capacity: Engineered to safely interrupt fault currents typical of low‑voltage electrical networks Performance: Reliable interruption and protection for conductors, wiring, and connected loads Mechanical & Environmental Terminal Connections: Screw or clamp type terminals for secure conductor attachment Mechanical Durability: Designed for dependable operation over repeated switching cycles Design: Compact modular enclosure for space‑efficient panel integration Operating Environment: Indoor electrical distribution panel installation