Square D X-6305-145 Molded Case Circuit Breaker

Square D X-6305-145 Molded Case Circuit Breaker is a three-pole PowerPact MCCB rated for 600 A at up to 600 V AC, built with molded-case construction to withstand demanding industrial environments. This unit is part of Square D's PowerPact family, designed for high-current protection in commercial and industrial electrical installations. The X-6305-145 provides overcurrent protection for large three-phase circuits by interrupting current during overloads or faults, helping protect conductors and downstream equipment. With a 600 V rating, it is appropriate for many standard industrial power distribution applications that use 600 V systems. The X-6305-145 model number designates a high-current, three-pole device within the PowerPact lineup, offering a durable solution for panelboards and switchgear that require reliable protection for feeders and large loads.