The KYN28A-12/24(Z) indoor AC metal-clad switchgear, commonly known as the cabinet, is a versatile and high-performance solution designed for operation within a 3.6-24KV range for three-phase AC 50HZ single busbar systems and single busbar segmentation systems. This state-of-the-art power distribution equipment is widely utilized in power plants, substations, industrial and mining enterprises, high-rise buildings, and numerous other environments for efficient power reception and distribution, as well as precise circuit control, robust protection, and real-time monitoring.
Our product's circuit breaker features a middle mounting mode, offering exceptional flexibility with the choice between the VS1 (ZN63A) type or VD4 type vacuum circuit breakers. Furthermore, it supports a diverse selection of vacuum circuit breakers from various domestic and international brands, ensuring compatibility with a multitude of specifications and models.
Adhering to industry-leading 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 5CKV AC metal-enclosed switchgear and control equipment'.
| >>>>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 leading authoritative bodies: ISO, CE, CCC, and more.
- Equipped with a state-of-the-art SQA quality management system, ensuring unparalleled product quality.
- Experience rapid quotation services complemented by comprehensive electrical design offerings.
- Benefit from swift delivery timelines, with the fastest global dispatch available within 10-15 days.
- Our comprehensive after-sales service system ensures a worry-free purchase experience.
- We welcome factory visits and offer OEM/ODM services for bespoke guidance and solutions.
Q: Are you a manufacturer, factory, or trading company?
A: Yes, we are a manufacturer with over two decades of expertise in the development, production, and operation of power distribution equipment, including transformers, switchgear, and substations.
Q: How can I place an order?
A: Request a quotation from us → Customize with drawings and samples → Inform us of usage scenarios → Receive our product design recommendations → Negotiate details → Confirm samples → Sign a contract and make a deposit → Begin mass production → Prepare goods → Balance payment and delivery → Further cooperation.
Q: What shipping methods are available?
A: We provide multiple shipping options, including Ocean Express, China Express, and other express routes. Should you require alternative shipping methods, please contact us to arrange further details.
Q: How can I trust your company?
With numerous patent certificates and ISO9001 and ISO14001 certifications, our products are globally trusted. As an audited diamond supplier on Made in China, we are dedicated to providing high-quality products at competitive prices.
Q: What are the delivery timelines for production and shipment?
A: Delivery times depend on order quantity, typically within 15 days following the receipt of prepayment.
Q: Can your products be customized?
A: Absolutely. Given the varying voltage, frequency, and other specifications across different regions, we can customize our transformer products to cater to your specific requirements.
Our products can be customized according to your requirements.
Q: How can I confirm the payment?
A: We accept wire transfers and PayPal, among other payment methods. For payments via other methods, please contact us first. A feasible 20-30% deposit is required, with the balance payable before installation.
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