
12kv 630A 20ka Embedded Vacuum Interrupter for Circuit Breaker. One-Time Sealing Design: Prevents gas leakage and significantly enhances mechanical life and operational reliability. Premium Contact Materials: Contacts sourced from Shaanxi Sirui, featuring Windmill-type and Swastika-type 4-slot designs. 12-Month Warranty: Covers material and workmanship defects for all vacuum interrupters with professional support. Full Customization Support: OEM/ODM services available including custom logo printing and technical modifications based on drawings. High Production Capacity: Annual output exceeds 1,000,000 units with 15 years of industry experience and ISO certifications. 24/7 Technical Support: Dedicated engineers provide installation guidance, troubleshooting, and urgent issue response. 100% Quality Inspection: Every product undergoes visual and functional inspection from raw materials to finished goods. Global Market Presence: Trusted by partners in India, Italy, Russia, Kazakhstan, Indonesia, and other key global markets.