XT5N DC 400 TMA 720 4P_ABB_PRODUCT_吉林易择科技技术发展有限公司

Technical Parameters Specification Details Product Type Low‑Voltage Molded Case Circuit Breaker (MCCB) Series / Model ABB Tmax XT5N 400 TMA 720 4P Rated Current (In) 400 A Number of Poles 4 (3 phases + neutral) Trip Unit Type TMA (Thermal‑Magnetic Adjustable) Trip Setting Range Adjustable for overload/current protection (typical range includes 280–400 A) Rated Insulation Voltage (Ui) 1000 V Rated Impulse Withstand Voltage (Uimp) 8 kV Rated Operational Voltage (Ue) Up to 690 V AC / suitable DC range depending on installation practice Interrupting Capacity (Icu / Ics) High interrupting capacity for AC and DC systems, suitable for heavy distribution systems Connection Type Front (FF) terminals Standards Compliance Designed to meet IEC / EN low‑voltage circuit breaker standards Mechanical Durability High cycle life typical for industrial breakers Electrical Durability Designed for many electrical switching operations Mounting Style Fixed‑mounted breaker for panel installation

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Technical Parameters – ABB XT5N 400 TMA 720 4P Specification Details Product Type Low‑Voltage Molded Case Circuit Breaker (MCCB) Series / Model ABB Tmax XT5N 400 TMA 720 4P Rated Current (In) 400 A Number of Poles 4 (3 phases + neutral) Trip Unit Type TMA (Thermal‑Magnetic Adjustable) Trip Setting Range Adjustable for overload/current protection (typical range includes 280–400 A) Rated Insulation Voltage (Ui) 1000 V Rated Impulse Withstand Voltage (Uimp) 8 kV Rated Operational Voltage (Ue) Up to 690 V AC / suitable DC range depending on installation practice Interrupting Capacity (Icu / Ics) High interrupting capacity for AC and DC systems, suitable for heavy distribution systems Connection Type Front (FF) terminals Standards Compliance Designed to meet IEC / EN low‑voltage circuit breaker standards Mechanical Durability High cycle life typical for industrial breakers Electrical Durability Designed for many electrical switching operations Mounting Style Fixed‑mounted breaker for panel installation

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