Specifications General Product Type: Molded Case Circuit Breaker (MCCB) Series / Family: EZD100E Model: EZD100E 3P 40A Number of Poles: 3 (three phases) Rated Current (In): 40 A Mounting Type: Fixed mounting for panel or distribution board Application: Protection of low‑voltage three‑phase circuits Electrical Ratings Rated Operational Voltage (Ue): Suitable for low‑voltage AC systems (commonly up to ~415–690 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 in distribution environments Protection & Trip Characteristics Trip Mechanism: Thermal‑magnetic protection Overload Protection: Thermal element detects and responds to prolonged overload currents Short‑Circuit Protection: Magnetic element responds to high fault current events Tripping Behavior: Combined thermal and magnetic action for reliable interruption during abnormal current conditions Breaking Capacity & Performance Breaking Capacity: Engineered to safely interrupt fault currents typically found in low‑voltage power distribution systems Performance: Provides dependable fault clearing to protect circuits and connected equipment Mechanical & Environmental Terminal Connections: Screw or clamp type terminals for secure conductor attachment Mechanical Durability: Designed for consistent operation over repeated switching cycles Design: Compact modular housing for space‑efficient installation Installation Environment: Indoor electrical distribution boards and switchgear Functional Summary