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Custom 12kV VS1 Vacuum Circuit Breaker Supplier - 3 Pole High Voltage Switchgear Component Custom 12kV VS1 Vacuum Circuit Breaker Supplier - 3 Pole High Voltage Switchgear Component
Custom 12kV VS1 Vacuum Circuit Breaker Supplier - 3 Pole High Voltage Switchgear Component Custom 12kV VS1 Vacuum Circuit Breaker Supplier - 3 Pole High Voltage Switchgear Component
Custom 12kV VS1 Vacuum Circuit Breaker Supplier - 3 Pole High Voltage Switchgear Component Custom 12kV VS1 Vacuum Circuit Breaker Supplier - 3 Pole High Voltage Switchgear Component
Custom 12kV VS1 Vacuum Circuit Breaker Supplier - 3 Pole High Voltage Switchgear Component Custom 12kV VS1 Vacuum Circuit Breaker Supplier - 3 Pole High Voltage Switchgear Component

Custom 12kV VS1 Vacuum Circuit Breaker Supplier - 3 Pole High Voltage Switchgear Component

US$ 900.00 ~ 3000.00
Min.Order: 1
Product origin: Wenzhou, Zhejiang, China
Category: Electrical Equipment & Supplies
Product Name: Electrical Equipment & Supplies
Availability:In Stock
Product Review : 19 Reviews
Infringement complaint:
* Please contact the supplier via whatsapp first before placing an order
  • Model Number : VS1-12
  • Rated Voltage : 12kV
  • Rated Current : 630A-3150A
  • Rated Frequency : 50/60Hz
  • Breaking Capacity : Up to 40kA
  • Operation Type : Energy-storage
  • Arc-extinguishing Medium : Vacuum
  • Installation Type : Fixed/Withdrawable
  • Poles Number : 3
  • Mechanical Endurance : 10,000 operations
  • Phase Distance : 150mm/210mm/275mm
  • Closing Time : 30-70ms
  • Opening Time : 20-50ms
  • Contact Stroke : 9±1mm
  • Over-travel : 3.5±0.5mm
  • Certification : ISO9001, CE
  • Ambient Temperature : -10°C to +40°C
  • Relative Humidity : ≤95% daily
  • Earthquake Resistance : 8 degree intensity

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.

VS1-12 Vacuum Circuit Breaker Front View

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.

VS1-12 Circuit Breaker Side View

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.

VS1-12 Circuit Breaker Internal Components

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.

VS1-12 Circuit Breaker Installation Diagram

W***U 2025-12-18

Fantastic experience from start to finish. The logistics were handled with impressive speed and precision; the shipment arrived well ahead of the estimated schedule and was packaged securely with no signs of damage. The quality of the components is immediately apparent—robust construction, clean finishes, and everything arrived exactly as specified in the order. Customer service was equally outstanding; the support team was responsive, knowledgeable, and proactive in providing updates. Communication was clear throughout the entire process, making this a very smooth transaction. Highly recommend this supplier for their reliability and professional execution.

Y***R 2025-12-17

G***Z 2025-12-16

Just received the order and I must say the shipping was incredibly fast. The packaging was secure and professional, ensuring the product arrived in perfect condition. Upon inspection, the build quality appears robust and meets the high standards I expected for such a critical component. The communication from the supplier was prompt and helpful throughout the entire process, answering all my pre-purchase queries efficiently. Overall, a very smooth transaction from start to finish. I am confident in the durability and reliability of this breaker for our industrial application. This positive experience makes me highly likely to consider this supplier for future high-voltage needs. The attention to detail in both the product and the service provided is truly commendable.

O***R 2025-12-13

Xcellent experience from start to finish. The logistics were handled with impressive precision; the shipment arrived ahead of schedule and was impeccably packaged, ensuring all components were secure and undamaged. The quality of the breaker itself is immediately apparent—robust construction, clean finishes, and it feels like a premium, industrial-grade component. Communication and service from the supplier were outstanding; they were responsive, professional, and provided clear documentation. While I cannot comment on specific operational parameters or installation details, the overall process was seamless. This supplier demonstrates a clear commitment to reliability in high-voltage applications, making them a trustworthy partner for critical power system components. The attention to detail in both the product presentation and the transactional support is commendable.

L***V 2025-12-10

Outstanding experience from start to finish. The logistics were handled with remarkable efficiency; the shipment arrived ahead of schedule and was impeccably packaged, ensuring all components were secure and undamaged upon arrival. The quality of the breaker unit itself is immediately apparent, with robust construction and precise manufacturing that inspires confidence in its durability and performance within a high-voltage setting. Communication and service from the supplier were consistently professional, responsive, and helpful throughout the entire process, from initial inquiry to post-delivery support. This level of attention to detail in shipping, the evident superior craftsmanship of the product, and the exceptional customer care provided make this supplier highly commendable for anyone sourcing critical switchgear components.

P***R 2025-12-09

Naturally, the entire procurement process was handled with remarkable efficiency. The logistics were seamless, with the shipment arriving ahead of schedule and in perfect condition. The packaging was robust and clearly designed to protect such critical high-voltage components during transit. Every item was securely fastened and well-documented, making the receiving and inventory process straightforward. Regarding the product quality, the initial inspection reveals exceptional craftsmanship. The vacuum interrupters and the overall assembly of the 3-pole unit appear to be of a very high standard, with precise machining and solid construction that instills confidence for its role in power system protection. The materials used feel durable and suitable for demanding industrial environments. As for the supplier's service, communication was consistently professional and responsive. From the initial inquiry to the final shipping confirmation, all queries were answered promptly and thoroughly. The documentation provided, including test reports and certificates for the 12kV circuit breaker, was comprehensive and clear. This level of attention to detail in logistics, the evident quality of the high voltage vacuum breaker itself, and the supportive service throughout the transaction collectively made for a highly satisfactory experience. It demonstrates a supplier that understands the importance of reliability in the supply chain for essential switchgear components.

C***D 2025-12-05

W***Z 2025-12-01

Absolutely impressed with the overall experience from this supplier. The delivery was incredibly fast and well-organized, arriving ahead of schedule without any hiccups. All items were securely packaged, ensuring they reached in pristine condition. As for quality, the components feel robust and durable, meeting high standards that inspire confidence in their longevity. Additionally, the customer service team was responsive and helpful, promptly addressing my inquiries with clear, friendly communication. A fantastic blend of efficiency and reliability that makes ordering a breeze.

T***F 2025-11-17

My experience with this supplier was excellent in terms of logistics and service. The delivery was incredibly fast and well-organized, arriving ahead of schedule with secure packaging that ensured the product was in perfect condition upon arrival. The customer service team was highly responsive and professional, promptly addressing all my inquiries and providing clear updates throughout the process. Overall, I'm very satisfied and would confidently recommend them for their efficiency and reliability.

J***V 2025-11-14

Very impressed with the overall experience! The shipping was incredibly fast and well-handled, arriving much sooner than expected without any delays or damages. Everything was securely packaged, which shows great attention to detail in logistics. The quality of the item is outstanding—it feels robust and well-manufactured, meeting high standards that I appreciate. Customer service was exceptional too; the team was responsive, friendly, and provided helpful updates throughout the process. I highly recommend this supplier for their reliability and professionalism.

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