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.

Keenly satisfied with the supplier experience. The logistics were handled exceptionally well; the shipment arrived ahead of the estimated schedule and was packaged with great care to ensure all components were secure and undamaged. The quality of the components appears to be outstanding, with robust construction and precise manufacturing that meets the high standards required for our power system applications. The service provided was truly commendable; the communication was clear, professional, and responsive from initial inquiry through to post-delivery follow-up. They demonstrated a thorough understanding of high-voltage switchgear requirements and were very supportive. Overall, this was a highly reliable and efficient procurement process for a critical component. The supplier’s attention to detail in logistics, the evident quality of the product, and their exemplary customer service have instilled great confidence. We are very pleased with this partnership and would not hesitate to recommend them to others in the industry seeking reliable high-voltage equipment.
My experience with this supplier was primarily defined by their logistics performance, which was outstanding. The communication regarding shipping timelines was precise and reliable, with regular updates provided at every stage. The breaker arrived well ahead of the projected schedule, which was a significant advantage for our project timeline. The packaging was exceptionally robust and professional, clearly designed to protect high-voltage components during international transit. Every item was securely fastened and cushioned, with no signs of damage or mishandling upon arrival. The documentation was complete and accurate, facilitating a smooth customs clearance process. Regarding service, the support team was responsive and knowledgeable, promptly addressing my pre-shipment inquiries. While the transaction focused on the supply and delivery of the component, the overall professionalism in these operational aspects was commendable. The quality of the product, as far as initial inspection and outward construction are concerned, appears solid and aligns with the specifications. The manufacturing finish is clean, and all components seem properly assembled. This efficient and transparent logistical handling, coupled with proactive service, made the procurement process remarkably smooth and low-stress. It instills confidence for future orders, knowing that the operational execution is managed competently. The attention to detail in shipping and customer support is a strong point for this supplier.
My experience with this supplier was excellent. The delivery was incredibly fast and efficient. The product arrived well-packaged and in perfect condition, which was a relief given the delicate nature of high-voltage components. Communication throughout the process was clear and professional. The quality of the vacuum circuit breaker appears to be top-notch, with solid construction and precise finishing. It gives a very robust and reliable impression, exactly what is needed for critical power system applications. The service team was responsive and helpful, answering all my preliminary questions promptly. Overall, I am very satisfied with this transaction and would confidently recommend this supplier to others in the industry looking for quality high-voltage switchgear components. The entire process from inquiry to delivery was smooth and hassle-free.
Outstanding experience from start to finish. The logistics were handled with remarkable precision; the shipment arrived ahead of schedule and was impeccably packaged, ensuring all components were secure and undamaged. The quality of the breaker unit itself is immediately apparent, with robust construction and excellent finishing that speaks to high manufacturing standards. Communication and service from the supplier were consistently professional, responsive, and helpful throughout the entire process, making procurement straightforward. This level of execution in delivery, product integrity, and customer support is highly commendable and sets a strong precedent for future business. Very satisfied with this efficient and reliable transaction overall.
Excellent experience overall. The shipping was incredibly fast and efficient, with the product arriving well ahead of the estimated schedule. The packaging was robust and secure, ensuring everything arrived in perfect condition without a single scratch. Communication from the supplier was prompt, professional, and very helpful throughout the entire process, answering all my queries clearly. While I cannot comment on the technical performance or installation specifics, the initial visual inspection reveals what appears to be very solid construction and high-quality materials. The unit looks precisely as described and pictured. Based solely on the logistics, the quality of presentation and packaging, and the superb customer service interaction, this was a very positive procurement. I would feel confident in the reliability of this supplier for future orders based on these foundational aspects of the transaction.
Xenial delivery service was the highlight of my experience. The logistics were handled with exceptional care, ensuring the components arrived precisely on schedule without any delays. Xyloid packaging materials provided outstanding protection, with no signs of damage upon unboxing. The quality inspection revealed robust construction and meticulous craftsmanship, meeting all specified industrial standards. X-factor customer support team was incredibly responsive, offering clear communication and proactive updates throughout the process. Their professionalism in handling documentation and export procedures was commendable. This supplier demonstrates remarkable reliability in both product integrity and service execution, making them a trustworthy partner for high-voltage applications.
Smooth and efficient delivery process was the first thing that impressed me. The logistics were handled professionally, with clear tracking updates provided at every stage. The packaging upon arrival was exceptionally secure, ensuring the components were perfectly protected during transit. There were no delays, and everything arrived exactly as scheduled. Regarding quality, the craftsmanship is immediately apparent. The materials feel robust and durable, meeting the high standards one would expect for such critical electrical components. The finish and construction inspire confidence in their longevity and performance within a power system. As for service, the supplier was highly responsive and communicative from the initial inquiry through to post-delivery. They were knowledgeable and willing to address all logistical and specification questions promptly. This level of attentive and professional service made the entire procurement experience straightforward and reliable. Overall, a very satisfactory experience based on logistics, observed quality, and customer support.
Outstanding experience from start to finish. The logistics were handled with remarkable precision and speed. The shipment arrived ahead of schedule, which was a fantastic surprise, and the packaging was exceptionally secure, ensuring every component was perfectly protected during transit. Regarding quality, the product itself is robust and precisely manufactured, meeting all specifications with apparent excellence. The materials feel durable and are clearly suited for demanding industrial environments. The service provided by the supplier was equally impressive; the communication was clear, professional, and responsive throughout the entire process. All inquiries were answered promptly and thoroughly, making the procurement smooth and worry-free. This level of attention to detail in logistics, the evident high quality of the components, and the superior customer service truly set this supplier apart. It is a pleasure to do business with a company that demonstrates such reliability and commitment to customer satisfaction. I am thoroughly satisfied and would not hesitate to recommend them or place future orders. The overall process was seamless and efficient, exceeding expectations in every regard.
Great experience overall. The shipping was surprisingly fast and well-handled, with the product arriving securely packaged and ahead of schedule. The quality of the components appears excellent upon initial inspection; the construction feels robust and meets industrial standards. Customer service was particularly good—responsive and professional in all communications. A very reliable supplier for such critical components.