The KYN28A-12/24(Z) indoor AC metal-clad switchgear, commonly referred to as the cabinet, is a high-performance solution operating within a 3.6-24KV range for three-phase AC 50HZ single busbar systems and single busbar segmentation systems. This versatile, comprehensive power distribution equipment is ideally suited for use in power plants, substations, industrial and mining enterprises, high-rise buildings, and more. It excels in power reception and distribution, circuit control, protection, and monitoring, making it an indispensable asset in a variety of settings.
Our product's circuit breaker features a middle mounting mode, offering the flexibility to choose between the VS1 (ZN63A) type or VD4 type vacuum circuit breakers. Furthermore, it is designed to accommodate a diverse range of vacuum circuit breakers from numerous domestic and international specifications and models, ensuring compatibility and performance.
Adhering to the highest industry standards: GB3906-2006 "3.6kV~40.5kV AC metal-enclosed switchgear and control equipment", DL404-2007 "Indoor AC high-voltage switchgear ordering technical conditions", and IEC298 (1990) "Rated voltage above 1KV and below 5KV AC metal-enclosed switchgear and control equipment". Our product guarantees impeccable compliance and reliability.
| >>>>Main Technical Parameters |
|
| sports event |
unit |
|
|
| Rated voltage |
kV |
7.2,12,24 |
| Rated frequency |
Hz |
50 |
| Rated current |
A |
630,1250,1600,2000,2500,3150,4000 |
| 4S Thermal stability current |
kA |
16,20,25,31.5,40,50 |
| Rated dynamic stability current (peak) |
kA |
40,50,63,80,100,125 |
| Rated short-circuit breaking current |
kA |
16,20,25,31.5,40,50 |
| Rated short-circuit closing current (peak) |
kA |
40,50,63,80,100,125 |
| Rated insulation level 1min frequency withstand voltage |
kV |
32 42,65 |
| kV |
60,75,125 |
| Rated operation sequence |
|
0-0.3S-C0-180S-CO |
| Rated short-circuit breaking current |
the second |
50 |
| Mechanical life time |
the second |
20000 |
| Contact opening distance |
mm |
11±1 |
| Overtravel |
mm |
4±0.5 |
| Centre distance between phases |
mm |
210,275 |
| Bouncing time of closing contact |
mS |
≤2 |
| Three-phase switching non-simultaneous |
mS |
≤2 |
| Breaking time (when operating force is applied) Max. |
ms |
≤50 |
| ms |
≤50 |
| ms |
≤60 |
| Closing time |
ms |
≤100 |
| Average opening speed |
m/s |
0.9~1.2 |
| Average closing speed |
m/s |
0.6~0.8 |
| protection class |
|
P4X(When the breaker compartment door is openIP2X) |
Product Advantages:
Certified by authoritative bodies: ISO, CE, CCC, and more-assuring you of unparalleled quality and trustworthiness.
- Leveraging a state-of-the-art SQA quality management system, we ensure our products are of the highest caliber and reliability.
- Benefit from our rapid quotation services that also include comprehensive electrical design solutions tailored to your needs.
- Experience unmatched efficiency with our swift delivery timelines; our global dispatch can be as quick as 10-15 days.
- Our comprehensive after-sales service system is designed to provide you with a seamless and worry-free purchase experience, every step of the way.
- We invite you to visit our factory for an immersive experience and offer OEM/ODM services for personalized and expert guidance.
Q: Are you a manufacturer, factory, or trading company?
A: Absolutely. With over two decades of unparalleled experience, Jiangxi Bolian Electrical Co., Ltd. excels in the development, production, and operation of top-tier power distribution equipment, including transformers, switchgear, and substations.
Q: How can I place an order?
A: Simply follow these steps: Request a quotation from us → Customize with your drawings and samples → Inform us of your specific usage scenarios → Receive our expert product design recommendations → Fine-tune and negotiate details → Confirm samples → Sign a contract and make a deposit → Begin mass production → Prepare goods for shipment → Settle the balance payment and arrange delivery → Establish a foundation for further cooperation.
Q: What shipping methods are available?
A: We offer a variety of shipping options including Ocean Express, China Express, and other express routes. For any alternative shipping methods, please contact us to discuss further arrangements.
Q: How can I trust your company?
A: With an array of patent certificates and ISO9001 & ISO14001 certifications, our products boast global recognition and widespread usage. As an audited diamond supplier on Made in China, we are dedicated to providing quality products at competitive prices.
Q: What are the delivery timelines for production and shipment?
A: Delivery timelines vary with order quantities but are typically within 15 days post receipt of prepayment.
Q: Can your products be customized?
A: Certainly. Understanding the diverse voltage, frequency, and specification needs across different regions, we offer tailored transformer products to meet your precise requirements.
Our products can be meticulously customized to align perfectly with your specifications.
Q: How can I confirm the payment?
A: We accept wire transfers and PayPal, among other methods. Please contact us before making payments through other methods. Typically, a 20-30% deposit is required, with the remaining balance payable prior to installation.
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