
Three-Phase AC 50Hz High Voltage Circuit Breaker. Vacuum Arc-Extinguishing: High-speed vacuum circuit breaker ensures stable performance and reliable arc extinction. Wide Current Range: Rated current options from 630A to 3150A to meet diverse industrial needs. High Mechanical Life: Mechanical life up to 3000 times for long-term durable operation. Comprehensive Protection: Features overcurrent, OVP, and circuit-breaker failure protection functions. Flexible Installation: Can be fixed in switch cabinets or installed on handcarts for easy setup. Customization Available: Supports full customization, minor customization, and design-based customization. Strict Quality Control: 100% inspection including visual and function checks before packaging. Global Certification: Certified with ISO9001, ISO45001, ISO14001, CE, and IP66 standards.