The NXB-63H Miniature Circuit Breaker (MCB) provides paramount overload protection, short-circuit protection, and positive isolation for electrical systems. Featuring a heightened 10kA breaking capacity, this breaker offers superior fault interruption and enhanced safety for more demanding circuits. Available for diverse current ratings (1A to 63A) and multiple poles, it delivers adaptable performance and durable reliability, making it a pivotal component for power distribution in residential, commercial, and industrial environments.