Circuit breaker switches or circuit breakers are used to protect downstream circuits from short circuits, overloads and the resulting overheating damage. These protective devices are generally used in the final circuits of residential, utility and industrial electrical installations. https://elecena.pl/product/24706357/mbn306-circuit-breaker-3-pole-6-ka-b-characteristic-6-a-3-modules 2023-12-25 https://elecena.pl/product/24706357/mbn306-circuit-breaker-3-pole-6-ka-b-characteristic-6-a-3-modules 2026-06-27