DC Miniature Circuit Breaker

The QYB6Z-63 DC mini circuit breaker features rated voltages of 300V (1P), 600V (2P), 900V (3P), and 1200V (4P). It utilizes specialized arc-extinguishing and current-limiting systems to rapidly interrupt fault currents in DC power distribution systems, thereby protecting critical components and ensuring the reliable operation of solar photovoltaic power generation systems.