The illustrious KYN28A-12/24(Z) indoor AC metal-clad switchgear, often referred to as the cabinet, exudes unparalleled efficiency within a voltage spectrum of 3.6-24KV for three-phase AC 50HZ single busbar systems and segmentation systems. This sophisticated power distribution marvel is crafted for power plants, substations, industrial and mining enterprises, high-rise buildings, and an array of other environments, facilitating seamless power reception and distribution, circuit control, protection, and meticulous monitoring.
Our premium circuit breaker, designed with a versatile middle mounting mode, offers the liberty to choose between the exceptional VS1 (ZN63A) type or VD4 type vacuum circuit breakers. Moreover, it seamlessly integrates a multitude of vacuum circuit breakers from a wide range of domestic and international specifications and models.
Adherence to Standards: Complies with 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 authorities: ISO, CE, CCC, and more.
- Cutting-edge SQA quality management system ensures exceptional product quality.
- Lightning-fast quotation services, inclusive of bespoke electrical design offerings.
- Expedited delivery timelines, with global dispatch occurring in as little as 10-15 days.
- Holistic after-sales service system guarantees a seamless and worry-free purchasing experience.
- We welcome factory visits and provide bespoke OEM/ODM services for personalized guidance.
Q: Are you a manufacturer, factory, or trading company?
A: Absolutely. With an esteemed history spanning over two decades, we specialize in the innovative development, meticulous production, and strategic operation of power distribution equipment, encompassing transformers, switchgear, and substations.
Q: How can I place an order?
A: Initiate a quotation request → Customize with precise drawings and samples → Inform us of your usage scenarios → Receive our expert product design recommendations → Finalize negotiation details → Confirm samples → Sign contract and make a deposit → Commence mass production → Prepare goods → Settle balance payment and delivery → Foster further cooperation.
Q: What shipping methods are available?
A: We provide shipping via Ocean Express, China Express, and other expeditious routes. Should you require alternative shipping methods, kindly contact us for further tailored arrangements.
Q: How can I trust your company?
Renowned for holding multiple patent certificates, ISO9001, and ISO14001 certifications, our products enjoy global acclaim. As a distinguished audited diamond supplier on Made in China, we pledge to deliver top-tier products at competitive prices.
Q: What are the delivery timelines for production and shipment?
A: Delivery timelines are contingent on order quantity, typically effectuated within 15 days post-receipt of prepayment.
Q: Can your products be customized?
A: Unquestionably. Recognizing the diverse voltage, frequency, and other specifications across different regions, we adeptly tailor our transformer products to meet your precise requirements.
Our products can be meticulously customized according to your specifications.
Q: How can I confirm the payment?
A: We accept wire transfers and PayPal, among other payment methods. For alternative payment methods, please contact us. Typically, a feasible 20-30% deposit is required, with the balance payable before installation.