
Vs1-12m Vacuum Circuit Breaker Be Safe. Vacuum Arc Extinguishing: Uses vacuum medium for fast arc extinction, strong breaking ability, and reduced fire risk. High Mechanical Life: Mechanical life reaches 30,000 to 100,000 times depending on the operating mechanism. Dual Operating Mechanisms: Available with spring operated or permanent magnet mechanisms for reliable performance. Flexible Installation Types: Offers handcart and fixed types for versatile installation in various switchgear. Comprehensive Protection Functions: Includes overcurrent, overvoltage, and failure protection for lines and transformers. Fully Sealed Design: Sealed chamber resists humidity, dust, and corrosive gases for stable insulation. Customization Options: Supports full customization, minor customization, and customization from designs or samples. ISO and CCC Certified: Manufactured under ISO9001:2015, ISO14001, ISO45001:2018, and CCC standards.