630A Fixed Contact Copper with Indoor High Voltage Vacuum Circuit Breaker

630A Fixed Contact Copper with Indoor High Voltage Vacuum Circuit Breaker. High Mechanical Life: Mechanical life up to 30,000 times with ability to break short circuit current 50 times. Vacuum Arc Extinguishing: Uses vacuum as arc extinguishing medium with magnetic field control for stable current breaking. Maintenance Free Design: Pole type adopts solid insulation structure with integrated seal pole for zero maintenance. Flexible Installation: Can be installed in stationary or extractable form in switching cabinets or on frames. Wide Voltage Range: Rated voltage options available from 3.6kV to 40.5kV for various applications. Multiple Certifications: Certified with CCC, RoHS, ISO, and CE standards for quality assurance. Customization Options: Offers full customization, minor customization, and flexible customization from samples or designs. High Reliability: Suitable for frequent operation and reclosing with high service life and reliability.