The NB1-63G miniature circuit breaker is designed for the protection of electrical circuits against overloads and short-circuits. It can also be used for switching and isolation purposes. Suitable for domestic, commercial, and industrial installations, it ensures reliable circuit protection with high breaking capacity. The breaker features compact design, quick response, and compliance with IEC/EN 60898-1 standards, making it ideal for low-voltage distribution systems operating at 230/400V.