
Indoor High Voltage Vacuum Circuit Breaker. High Mechanical Life: Mechanical life exceeds 30,000 cycles with 50 full-capacity short-circuit breaking cycles. Vacuum Arc Extinguishing: High-quality vacuum interrupters ensure fast, re-ignition-free arc extinction. Epoxy Resin Poles: Fully encapsulated poles provide excellent insulation, dust, and moisture resistance. Wide Current Range: Rated current from 630A to 3150A with short-circuit breaking up to 40kA. Versatile Installation: Available in drawout or fixed types compatible with standard KYN28 switchgear. Dual Operation Modes: Supports both manual and electric operation with spring energy storage mechanism. High Altitude Customizable: Standard altitude up to 1000m with customizable options for higher elevations. OEM/ODM Services: Logo and design customization available with professional manufacturing support.