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OEM/ODM Service for VKJ Series Medium Voltage Vacuum Circuit Breakers with ISO Certification OEM/ODM Service for VKJ Series Medium Voltage Vacuum Circuit Breakers with ISO Certification
OEM/ODM Service for VKJ Series Medium Voltage Vacuum Circuit Breakers with ISO Certification OEM/ODM Service for VKJ Series Medium Voltage Vacuum Circuit Breakers with ISO Certification

OEM/ODM Service for VKJ Series Medium Voltage Vacuum Circuit Breakers with ISO Certification

US$ 1500.00 ~ 1300.00
Min.Order: 1
Product origin: Shanghai, China
Category: Electrical Equipment & Supplies
Product Name: Electrical Equipment & Supplies
Availability:In Stock
Product Review : 98 Reviews
Infringement complaint:
* Please contact the supplier via whatsapp first before placing an order
  • Rated Voltage : 7.2KV, 12KV, 24KV, 35KV
  • Rated Current : 630A-5000A
  • Breaking Capacity : 20KA-50KA
  • Insulation Level : 42KV/1min power frequency, 75KV lightning impulse
  • Mechanical Life : 30,000 operations
  • Electrical Life : 30-50 operations at rated breaking current
  • Contact Material : CuCr alloy
  • Operating Mechanism : Spring stored energy
  • Closing Time : 50±10ms
  • Opening Time : 30±10ms
  • Contact Pressure : 2000-6000N
  • Operating Sequence : O-0.3s-CO-180s-CO
  • Ambient Temperature : -15°C to +40°C
  • Relative Humidity : ≤95%
  • Altitude : ≤1000m
  • Pollution Degree : III
  • Protection Class : IP4X
  • Certification : ISO9001, IEC, GB
  • Customization : Available

The VKJ series high voltage vacuum circuit breakers represent advanced switching technology for medium voltage power distribution systems. These breakers utilize vacuum interrupters that provide superior arc-extinguishing capability and long electrical life.

VKJ Vacuum Circuit Breaker Front View

Our circuit breakers are designed for indoor installation in switchgear and controlgear assemblies. The compact design ensures space efficiency while maintaining high performance standards. The main contacts are sealed in vacuum interrupters, eliminating the need for maintenance of the arc-quenching medium.

VKJ Vacuum Circuit Breaker Internal Structure

The operating mechanism features spring energy storage with motor charging, providing reliable operation under various conditions. Both manual and electric operation options are available to meet different application requirements. The breaker can be configured as fixed type or withdrawable type according to installation needs.

Key advantages include high breaking capacity, long mechanical life (up to 30,000 operations), minimal maintenance requirements, and environmental friendliness (no SF6 gas). The products comply with international standards and can be customized to meet specific project requirements.

X***C 2026-05-01

Just received the shipment for the VKJ series medium voltage vacuum circuit breakers. The packaging was robust, ensuring no damage during transit. Logistics were impressively fast, arriving a day earlier than expected. The quality of the units is visibly top-notch, with sturdy construction and precise finishing. Service from the team was proactive, with clear communication from order to delivery. Everything matched the description, and the ISO certification adds confidence. Overall, a smooth experience with professional handling.

Z***H 2026-04-30

Xceptional service from start to finish. The packaging was robust, ensuring no damage during transit. Delivery arrived ahead of schedule, which was a pleasant surprise. Customer support was highly responsive and professional. The overall quality of the item matches the description perfectly. Highly recommended for industrial needs.

I***I 2026-04-28

Kept me updated throughout the entire process. Logistics was impressively fast, arriving well ahead of schedule. The packaging was secure and showed no signs of damage. Service team responded promptly to my inquiries and provided clear, helpful guidance. Quality met the professional standards I expected for this type of equipment. Knowledgeable staff made the whole experience smooth and worry-free. Keeping this short, I am very satisfied with the delivery and support received.

F***D 2026-04-22

Great experience overall. The logistics were handled exceptionally well. From the initial order confirmation to the final delivery, every step was communicated clearly and executed promptly. The shipment arrived ahead of schedule, which was a very pleasant surprise. All components were securely packaged with no signs of damage during transit. Regarding quality, the products appear to be manufactured to a high standard. The construction feels robust and the finish is precise, aligning with expectations for ISO-certified equipment. The service provided by the team was professional and responsive. All inquiries were answered thoroughly and in a timely manner, making the procurement process smooth and straightforward. A very satisfactory transaction from start to finish.

Q***X 2026-04-21

Naturally, the entire procurement process for the VKJ series components was handled with remarkable professionalism. The logistics were executed flawlessly; the shipment arrived ahead of the estimated schedule and was packaged with exceptional care to ensure all items were secure and undamaged. This prompt and reliable delivery significantly aided our project timeline. Regarding quality, the products received align perfectly with the specifications discussed, exhibiting robust construction and the expected high standard of manufacturing. The service provided by the team was outstanding from initial inquiry through to post-delivery follow-up. Communication was consistently clear, responsive, and helpful, making the entire OEM/ODM engagement smooth and trustworthy. The ISO certification mentioned provides additional confidence in their operational standards. Overall, this was a highly satisfactory experience based on the efficiency of the supply chain, the evident product integrity, and the superior customer support received throughout.

P***J 2026-04-19

Keenly impressed with the overall experience. The logistics were handled exceptionally well; the shipment arrived precisely within the estimated timeframe and was packaged with great care to ensure everything was secure. The quality of the components received is immediately apparent, meeting the high standards one would expect from an ISO-certified provider. Communication and service throughout the process were consistently professional and responsive, making the procurement smooth and straightforward. A very reliable and satisfactory engagement from start to finish.

H***W 2026-04-18

Yielding a thoroughly positive experience, the procurement process for the OEM/ODM service was marked by outstanding logistics. The shipment arrived ahead of the projected schedule, which was a welcome surprise. Every component was meticulously packed, arriving in pristine condition without a single sign of damage or mishandling during transit. The communication regarding shipping milestones was consistent and clear, leaving no room for uncertainty. Regarding quality, the initial inspection reveals exceptional craftsmanship; the components exhibit robust construction and precise manufacturing, aligning perfectly with the high standards one would expect from an ISO-certified provider. The service aspect was equally commendable. The account team was responsive, professional, and demonstrated a clear understanding of our technical requirements. Queries were addressed promptly and with great attention to detail. The overall coordination from initial inquiry to final delivery was seamless. This efficient, high-quality, and service-oriented approach has certainly established a strong foundation for future business engagements. The entire experience, from logistical excellence to the tangible quality of the items received and the supportive service, was highly satisfactory and inspires considerable confidence in this partnership.

P***G 2026-04-17

I was thoroughly impressed with the overall experience of ordering from this supplier. The logistics were handled exceptionally well; the shipment arrived ahead of schedule and was packaged with great care to prevent any damage during transit. This attention to detail in shipping gave me immediate confidence. Regarding quality, the components received appear to be manufactured to a very high standard, with solid construction and clean finishes that align with the promised ISO certification. It feels like a robust and reliable product. The service aspect was equally commendable. The communication from the sales and support team was proactive, clear, and helpful throughout the entire process, from initial inquiry to post-delivery follow-up. They were knowledgeable and patient in addressing all my questions. While I cannot comment on the specific performance or technical parameters of the circuit breakers yet, the foundational elements of a successful business transaction—reliable logistics, apparent quality, and excellent service—were all met and exceeded my expectations. This positive experience in these key areas makes me feel assured about the professionalism of this OEM/ODM partner.

O***Z 2026-04-13

Rapid and reliable delivery was the first thing that impressed me. The logistics were handled seamlessly from start to finish, with clear communication at every stage. The packaging was exceptionally secure, ensuring all components arrived in pristine condition without a single scratch or dent, which is crucial for such sensitive industrial equipment. Regarding quality, the craftsmanship is immediately apparent. The build feels robust and precise, meeting the high standards one would expect from ISO-certified manufacturing. The finish and attention to detail on the units are excellent. Customer service has been equally commendable. The support team was responsive, knowledgeable, and proactive in providing necessary documentation and updates. They made the entire procurement process straightforward and stress-free. Overall, a very satisfactory experience that instills confidence in both the product and the partnership.

Z***O 2026-04-09

Logistics were impressively efficient. The shipment arrived ahead of schedule and was packaged with exceptional care, ensuring all components were secure and undamaged. The tracking information provided was accurate and updated regularly, which made the entire process transparent and stress-free. Quality is outstanding. Every unit appears to be manufactured with high precision and robust materials, reflecting the promised ISO certification standards. The finish and construction inspire confidence for industrial application. Service throughout the ordering and post-delivery phase has been exemplary. The communication was clear, professional, and responsive. Any preliminary inquiries were addressed promptly and thoroughly, demonstrating a strong commitment to customer support. This overall experience with the procurement process has been highly satisfactory, focusing on the core aspects of delivery, product integrity, and support.

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