Technical Parameters General Product Type: Moulded Case Circuit Breaker (MCCB) Series: ABB Tmax T5 Model: T5S630 TMA500/2500-5000 FF 3P Poles: 3 (three-pole fixed device) Mounting Type: Fixed front-terminal (FF) connection Rated Values Rated Current (Iₙ): 500 A (continuous) Rated Uninterrupted Current (Iu): ~630 A Operational Voltage: up to 690 V AC (AC systems) / up to 750 V DC Rated Insulation Voltage (Ui): 1000 V Rated Impulse Withstand Voltage (Uimp): 8 kV Trip & Protection Trip Unit Type: Thermal-Magnetic (TMA) Adjustable Instantaneous Short-Circuit Setting: 2500 A … 5000 A Overload Protection: Thermal element Short-Circuit Protection: Magnetic instantaneous element Breaking Performance Rated Service Short-Circuit Breaking Capacity (Ics): e.g., up to 50–85 kA at 230–400 V AC depending on exact variant Rated Ultimate Short-Circuit Breaking Capacity (Icu): similar high kA ratings up to several ten kA range (application dependent) Mechanical & Durability Electrical Durability: ~5000 operations Mechanical Durability: ~20000 operations Ambient Conditions: Standard industrial electrical environment (e.g., –25 °C to +70 °C) Physical & Installation Terminal Type: Front connect (FF) Device Width / Dimensions: Typical for 630 frame series Connection: Fixed panel mounting Standards & Compliance Designed per IEC 60947-2 low-voltage circuit breaker standards ✔ Typical Applications Power distribution protection in industrial & commercial systems Feeder & branch circuit protection Motor and load protection Transformer feeder protection Panel board and switchboard installation