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High Capacity 63A Circuit Breaker for Electrical Safety Assurance. High Breaking Capacity: Rated short circuit capacity up to 6000A for reliable protection. Wide Voltage Range: Supports DC250V to DC1000V across 1P to 4P configurations. Dual Wiring Function: Accommodates both conductor and bus bar connections for flexibility. Long Mechanical Life: Mechanical life not less than 20,000 operations. Solar System Compatible: Ideal for photovoltaic systems and DC power distribution protection. Multiple Certifications: Passed ISO9001, CE, CB, CCC, Asta, Semko, and RoHS standards. Flexible Customization: Offers full, minor, and sample-based customization options. Fast Response Time: Quick shutdown capability to rapidly cut off fault currents.