Miniature Circuit Breaker (MCB) 4P AC

The Original TOMZN Miniature Circuit Breaker (MCB) 2P, 3P, and 4P AC is a premium electrical protection device designed to safeguard residential, commercial, and industrial power distribution systems from overloads and short circuits. Available in 2-pole, 3-pole, and 4-pole configurations with a 63A rating, it is ideal for single-phase and three-phase electrical installations, including heavy-duty machinery and high-power applications. The 4-pole model ensures simultaneous disconnection of all three phases and the neutral during fault conditions, delivering maximum system safety and reliable circuit protection. Featuring a 400V operating capacity and a 6000A breaking capacity, this MCB offers dependable performance under demanding electrical loads. Manufactured with high-quality components, CE certified, and compliant with IEC/EN60898-1 international standards, it guarantees long-lasting durability, while its standard DIN rail mounting design allows for quick and convenient installation in electrical distribution panels.