This residual current operated circuit-breaker is suitable for circuits with AC 50Hz, rated voltage 230/400V, and rated current up to 63A, providing overload and short-circuit protection. It features a rated short-circuit breaking capacity of 6KA/10KA and an operating short-circuit breaking capacity of 6KA/7.5KA. The dual wiring function allows for easy connection to standard busbars and both soft and hard wires. It includes red and green safety indicators for enhanced security. The energy storage mechanism ensures quick contact closure, improving product lifespan. The terminal has a dovetail design with an anti-miswiring function for efficient and reliable connections. The product is compatible with various modular accessories. The housing and other plastic parts are constructed from flame-retardant, high-temperature resistant, and impact-resistant plastic. Condition: New. Origin: China. Complies with standards GB/T 16917.1 and IEC61009-1, and holds CCC and CE certifications.