The VS1-12 vacuum circuit breaker is a high-performance electrical protection device designed for 12kV power systems. This 3-pole breaker features advanced vacuum arc-extinguishing technology and robust construction for reliable operation in demanding industrial environments.

With its integrated design combining the operating mechanism and VCB body, this circuit breaker offers excellent protection for power grids and industrial equipment. The vertical insulation housing provides superior weather resistance, making it suitable for various installation conditions.

The breaker is available in both fixed type and withdrawable type configurations, offering flexibility for different switchgear panel requirements. It is compatible with common switchgear panels including KYN28(GZS1), XGN, and GG-1A types.
Key technical specifications include a rated short circuit breaking current up to 40kA, mechanical endurance of 10,000 operations, and rated breaking operations of 20,000 times at rated current. The compact design features phase distances of 150mm, 210mm, or 275mm to accommodate various installation requirements.

The VS1-12 maintains stable performance across a wide range of ambient conditions, operating reliably at temperatures from -10°C to +40°C and relative humidity up to 95%. Its robust construction withstands earthquake intensities up to 8 degrees.
This vacuum circuit breaker is certified to ISO9001 and CE standards, ensuring quality and safety compliance. The energy-storage type operation mechanism provides consistent performance while the vacuum arc-extinguishing medium offers maintenance-free operation.

Yowza! The shipping speed was absolutely phenomenal. My order arrived far sooner than the projected timeline, which was a massive relief given our tight project schedule. The packaging was exceptionally robust and secure, leaving no room for damage during transit. Every component was individually wrapped and clearly labeled, making the unpacking and inventory process a breeze. Regarding quality, the craftsmanship is immediately apparent. The materials feel substantial and durable, with precise machining and a clean, professional finish. It exudes the kind of reliability you expect from critical high-voltage components. The service team deserves special mention. They were proactive in providing shipping updates and were readily available to answer my preliminary questions, demonstrating both knowledge and patience. This overall experience—from seamless logistics to the evident quality of the product and supportive service—has been thoroughly impressive and instills great confidence for future procurement needs.
Yikes, the shipping was incredibly fast and well-handled. The package arrived ahead of schedule and was in perfect condition, which was a huge relief. Regarding the quality, the components feel robust and precisely manufactured, exactly as described. The service from the supplier was also top-notch; communication was clear and prompt throughout the entire process. They were very professional and addressed all my preliminary questions efficiently. Overall, a very smooth and satisfactory procurement experience from logistics to the final handoff. Highly impressed and would certainly consider them for future needs.
Communication was clear and professional from the start. The supplier was very responsive to all my inquiries, providing detailed information promptly. The quality of the component appears to be excellent upon initial inspection; the construction is robust and it meets the specified technical standards. The packaging was secure and appropriate for such a high-value industrial item, ensuring it arrived without any damage. The entire process, from order confirmation to delivery, was handled efficiently. The logistics were well-managed, with timely shipping updates provided. Overall, a very satisfactory experience dealing with this supplier for a critical power system component. I would certainly consider them for future procurement needs.
Fantastic experience overall. The shipping was remarkably fast and efficient, with the product arriving well ahead of the estimated schedule. Everything was packaged with exceptional care, ensuring all components were secure and undamaged upon arrival. The quality of the breaker itself is immediately apparent; it feels robust, well-manufactured, and meets the high standards one would expect for critical power system components. The materials and finish are excellent. From a service perspective, the supplier was outstanding. Communication was clear, prompt, and professional from the initial inquiry through to post-delivery follow-up. They were knowledgeable and helpful, providing all necessary documentation without delay. This level of service instills great confidence. While I cannot comment on specific technical performance or installation parameters at this stage, the initial impressions regarding logistics, build quality, and customer support are exceedingly positive. The entire process was smooth and hassle-free, making procurement straightforward. I am very satisfied with this transaction and would not hesitate to recommend this supplier based on these foundational aspects of the service provided. A truly reliable partner for industrial components.
Hats off to the supplier for a truly seamless experience. The logistics were handled with impressive precision; the shipment arrived ahead of schedule, which was a welcome surprise. Every component was securely packaged, arriving in pristine condition without a single scratch or dent. The quality of the vacuum circuit breaker is immediately apparent—robust construction, excellent finish, and it feels like a premium, durable product built for industrial demands. Communication and service from the team were outstanding; they were responsive, professional, and provided clear updates throughout the process. This level of attention to detail in logistics, product quality, and customer support is commendable and makes them a highly reliable partner for critical power system components.
My experience with this supplier was primarily positive, focusing on the logistics and service aspects. The delivery was handled efficiently and arrived within the expected timeframe, which was crucial for our project schedule. The packaging was robust and secure, ensuring all components were well-protected during transit. There were no visible signs of damage upon arrival, indicating careful handling. Communication from the supplier was consistent and professional, providing clear updates throughout the ordering and shipping process. Any inquiries I had were addressed promptly and thoroughly, which demonstrated a strong commitment to customer service. The overall transaction was smooth, and the supplier appears reliable and organized. While I cannot comment on the long-term performance or specific technical details of the product itself at this initial stage, the foundational elements of a good business relationship—timely delivery, secure packaging, and responsive communication—were certainly met. This positive logistical and service experience provides a solid basis for future considerations and potential repeat business. Moving forward, maintaining this level of service and reliability will be key. It is reassuring to work with a supplier that prioritizes clear communication and efficient order fulfillment, as these factors significantly reduce project management overhead and potential delays. My initial impressions regarding the operational aspects of this engagement are favorable.
Jaw-droppingly efficient logistics were the first standout feature of this transaction. The entire shipping process was transparent, with timely updates and the component arrived well ahead of the projected schedule, impeccably packaged to prevent any transit damage. This promptness is crucial in industrial procurement and was deeply appreciated. Regarding quality, the craftsmanship of the vacuum circuit breaker is immediately apparent. The build is robust, with precise machining and high-grade materials that inspire confidence for long-term integration into our power system protection infrastructure. It meets the specified technical parameters without compromise. The supplier’s service was equally commendable, characterized by clear, professional communication and a willingness to provide all necessary documentation promptly. The overall experience was seamless and highly professional, from initial inquiry to final delivery. This supplier has certainly set a high benchmark for reliability and product excellence in the high-voltage switchgear component market.
Prompt delivery was a major plus. The shipping process was efficient, with clear tracking updates provided throughout. Packaging was secure and professional, ensuring the components arrived in perfect condition. Product quality appears excellent upon initial inspection; the construction is robust and it meets the described specifications precisely. Customer service communication was responsive and helpful in addressing pre-shipment inquiries. Overall, a very satisfactory procurement experience from this supplier regarding logistics and support. The order was handled professionally from start to finish.
Vastly impressed with the overall experience. The logistics were handled with remarkable efficiency; the shipment arrived ahead of schedule and was impeccably packaged, ensuring the components were secure and undamaged. The quality of the product itself is outstanding, exhibiting robust construction and precision engineering that instills immediate confidence. Customer service was equally commendable, with the support team being exceptionally responsive, knowledgeable, and proactive in providing updates and assistance. Every interaction was professional and solution-oriented. This supplier demonstrates a clear commitment to excellence across all facets of their operation, from the initial order to the final delivery. The seamless coordination and attention to detail are truly praiseworthy. It is a pleasure to engage with a company that so consistently meets and exceeds expectations, providing not just a product but a reliable and trustworthy partnership. The dedication to maintaining high standards in logistics, product integrity, and client support is evident and highly valued. This experience sets a benchmark for quality service in the industry.
Upon receiving the order, I must express my satisfaction with the overall experience. The delivery was unexpectedly swift, arriving well ahead of the estimated schedule, which was a pleasant surprise for our project timeline. The packaging was robust and professional, clearly designed to protect such critical high-voltage components during transit. Every item was securely fastened and cushioned, with no signs of mishandling. Unpacking revealed components that appear to be of solid construction, with clean finishes and no visible defects. The initial visual inspection aligns with the specifications discussed for industrial-grade equipment. Communication from the supplier was consistently clear and proactive, providing timely updates and responsive answers to pre-shipment inquiries. This level of service instills confidence in the partnership. Ultimately, the combination of efficient logistics, promising initial quality observations, and attentive support makes this a very positive procurement step for our power system needs. We look forward to integrating these components and will assess their operational performance in due course.