Specifications General Product Type: Molded Case Circuit Breaker (MCCB) Series / Family: EZD100E Model: EZD100E4030N Number of Poles: 4 (three phases + neutral) Rated Current (In): 30 A Mounting Type: Fixed mounting Application: Protection of low‑voltage four‑pole circuits in distribution panels and switchboards Electrical Ratings Rated Operational Voltage (Ue): Up to 690 V AC Rated Frequency: 50/60 Hz Rated Insulation Voltage (Ui): Standard low‑voltage distribution systems Rated Impulse Withstand Voltage (Uimp): Typical withstand rating for transient voltages (~6 kV) Protection & Trip Characteristics Trip Unit Technology: Thermal‑magnetic trip unit Overload Protection: Thermal element Short‑Circuit Protection: Magnetic element Tripping Behavior: Combined thermal and instantaneous magnetic response for dependable interruption under fault conditions Breaking Capacity & Performance Breaking Capacity: Designed to interrupt fault currents typical in low‑voltage power distribution (e.g., ~25 kA at 415 V AC) Performance: Reliable fault clearing to protect circuits and downstream equipment Mechanical & Environmental Terminal Connections: Screw/clamp type terminals for secure conductor attachment Mechanical Durability: Built for repeated operations and long service life Design: Compact housing for efficient panel integration Installation: Suitable for distribution boards, compatible with common MCCB accessories