The DC12V/24V/48V 250A Moulded Case Circuit Breaker Battery M1 is a type of circuit breaker specifically designed for battery systems. It is commonly used in applications such as car charging piles, which are used for charging electric vehicles. This MCCB (moulded case circuit breaker) is available in a range of current ratings from 63A to 630A, allowing you to choose the appropriate rating depending on your specific requirements. The primary function of this circuit breaker is to protect the battery system or car charging pile from overloads and short circuits. It interrupts the flow of current in the event of a fault, preventing damage to the circuitry or equipment connected to it. Overall, this MCCB is a reliable and robust solution for protecting battery systems and car charging piles from electrical faults. The link you provided appears to lead to a webpage showcasing the TUV certificate for a high 3P M1 63A-1250A type MCCB (Moulded Case Circuit Breaker) with a specific focus on the 250A MCCB product. TUV certification is a type of certification that ensures that a product meets specific quality and safety standards. It is commonly used in the electrical industry to verify the performance and safety of electrical products, including circuit breakers.