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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.
The delivery was incredibly fast and well-handled, arriving ahead of schedule without any issues. TThe quality of the item is outstanding, with robust construction that clearly meets high standards. TThe customer service team was highly responsive and supportive throughout the process, making everything smooth and hassle-free. TOverall, a very positive experience that I would gladly repeat in the future.
Smooth shipping and timely delivery made the logistics experience excellent. The product's build quality appears robust and reliable, meeting high standards. Customer service was responsive and helpful throughout the process.
The delivery was incredibly fast and well-organized, arriving ahead of schedule without any delays. TThe packaging was secure and professional, ensuring the item was protected throughout transit. TThe quality of the product is outstanding, with robust construction and excellent craftsmanship that meets high standards. TThe customer service team was highly responsive and supportive, providing clear updates and assistance whenever needed. TOverall, a very satisfying experience from start to finish, and I would confidently recommend this supplier for their reliability and attention to detail.
Logistics were incredibly efficient, with the shipment arriving ahead of schedule and in perfect condition. The quality of the components is outstanding, showing excellent craftsmanship and durability. Service from the supplier was top-notch, with prompt responses and helpful support throughout the process.
Quick delivery and excellent packaging ensured the item arrived safely without any delays. The quality of the breaker appears robust and well-manufactured, meeting high standards for industrial use. Customer service was responsive and helpful throughout the process, providing clear updates and assistance when needed. Overall, a very positive experience with this supplier.
Worthwhile experience overall, though shipping took longer than anticipated. The packaging was secure with ample cushioning, ensuring no transit damage occurred. Product finish appears durable with precise manufacturing tolerances. Customer support responded promptly to my tracking inquiry with detailed updates. While delivery timelines could improve, the attention to protective packaging and responsive service demonstrates good operational standards. The breaker's construction meets industrial expectations with clean welding points and proper insulation. Communication was professional throughout the process, though clearer estimated delivery dates upfront would enhance satisfaction. The supplier maintains reasonable quality control despite logistical delays. Overall satisfactory for critical power components where damage prevention outweighs speed concerns.
Just outstanding service from start to finish. The delivery was incredibly fast, arriving well ahead of schedule, which was a pleasant surprise. Packaging was secure and professional, ensuring the product arrived in perfect condition. Quality appears top-notch based on initial inspection—everything feels durable and well-manufactured. Customer support was responsive and helpful, answering all my queries promptly. Overall, a very smooth and satisfying experience that I would highly recommend to others in the industry.
Yielding an exceptionally positive experience, the delivery was remarkably prompt and well-handled. The packaging was secure and professional, ensuring the product arrived in perfect condition without any delays or complications. Quality appears outstanding upon initial inspection; the construction feels robust and precisely manufactured, meeting high industrial standards. Customer service was responsive and courteous, providing clear communication and helpful assistance throughout the process. Overall, a very satisfactory transaction that inspires confidence in both the product and the supplier.
Outstanding experience overall! The shipping was incredibly fast and efficient, with the product arriving well-packaged and ahead of schedule, which was a pleasant surprise. The quality of the item appears to be top-notch based on initial inspection; it feels durable and well-manufactured, giving me confidence in its reliability for our industrial applications. Customer service was exceptional—prompt, friendly, and very helpful in addressing my inquiries before and after the purchase. Overall, I'm highly satisfied and would definitely recommend this supplier to others in need of high-quality electrical components.
