The KYN28A-12/24(Z) indoor AC metal-clad switchgear, known as the embodiment of innovation in switchgear technology, operates efficiently within a range of 3.6-24KV for three-phase AC 50HZ single busbar systems and single busbar segmentation systems. This sophisticated power distribution equipment is predominantly employed in power plants, substations, industrial and mining enterprises, high-rise buildings, and various other settings for seamless power reception and distribution, coupled with advanced circuit control, protection, and monitoring.
Our product's circuit breaker features a middle mounting mode, offering the flexibility to choose between the robust VS1 (ZN63A) type or the highly reliable VD4 type vacuum circuit breakers. It also supports a wide array of vacuum circuit breakers spanning various domestic and international specifications and models.
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 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.
- Featuring a state-of-the-art SQA quality management system, we ensure top-tier product quality.
- We offer rapid quotation services, inclusive of bespoke electrical design offerings.
- Enjoy swift delivery timelines, with the fastest global dispatch ranging from 10-15 days.
- Our comprehensive after-sales service system guarantees a seamless and worry-free purchase experience.
- We warmly welcome factory visits and offer OEM/ODM services for personalized guidance.
Q: Are you a manufacturer, factory, or trading company?
A: Absolutely! With over two decades of expertise, we specialize in the development, production, and operation of high-quality power distribution equipment, including transformers, switchgear, and substations.
Q: How can I place an order?
A: The order process is simple: Request a quotation → Customize with drawings and samples → Inform us of usage scenarios → Receive 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 offer diverse shipping methods, including Ocean Express, China Express, and other express routes. For alternative methods, please contact us to make the necessary arrangements.
Q: How can I trust your company?
With numerous patent certificates, ISO9001, and ISO14001 certifications, our products are globally recognized. As an audited diamond supplier on Made in China, we are dedicated to delivering superior quality products at competitive prices.
Q: What are the delivery timelines for production and shipment?
A: Delivery timelines vary based on order quantity, typically within 15 days post receipt of prepayment.
Q: Can your products be customized?
A: Absolutely. Given the diverse voltage, frequency, and other requirements across different regions, we can tailor our transformer products to meet your specific needs.
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. Prior to making a payment through other methods, please contact us. A feasible 20-30% deposit is required, with the balance payable before installation.
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