The KYN28A-12/24(Z) indoor AC metal-clad switchgear, renowned as the cabinet, operates efficiently within a voltage range of 3.6-24KV for three-phase AC 50HZ single busbar and single busbar segmentation systems. This advanced power distribution equipment is a staple in power plants, substations, industrial and mining enterprises, towering buildings, and diverse settings, catering to power reception and distribution, circuit control, protection, and monitoring.
Our product's circuit breaker employs a middle mounting mode, offering flexible choices between the VS1 (ZN63A) type or VD4 type vacuum circuit breakers. Moreover, it supports a wide variety of vacuum circuit breakers from multiple domestic and international manufacturers, ensuring compatibility and versatile application.
Standards Compliance: Adhering to 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 Excellence: Authenticated by authoritative bodies such as ISO, CE, CCC, and more.
- Cutting-edge SQA quality management system ensures unmatched product quality.
- Rapid quotation services, inclusive of bespoke electrical design offerings.
- Expedited delivery timelines, boasting global dispatch within 10-15 days.
- Robust after-sales service system guarantees a seamless and worry-free purchase experience.
- We extend a warm invitation for factory visits and offer OEM/ODM services for customized guidance.
Q: Are you a manufacturer, factory, or trading company?
A: Indeed, with over twenty years of expertise, we specialize in the development, production, and operation of power distribution equipment, encompassing transformers, switchgear, and substations.
Q: How can I place an order?
A: Request a quotation → Customize with drawings and samples → Specify usage scenarios → Receive design recommendations → Negotiate details → Confirm samples → Sign contract and make deposit → Initiate mass production → Prepare goods → Settle balance and deliver → Pursue further cooperation.
Q: What shipping methods are available?
A: We provide shipping via Ocean Express, China Express, and other express routes. For alternative shipping methods, please contact us for customized arrangements.
Q: How can I trust your company?
With numerous patent certificates, ISO9001, and ISO14001 certifications, our products are globally trusted. As an audited diamond supplier on Made in China, we are committed to delivering quality products at competitive prices.
Q: What are the delivery timelines for production and shipment?
A: Delivery time varies 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 specifications across different regions, we can tailor our transformer products to meet your specific needs.
Our products can be customized to your specific requirements.
Q: How can I confirm the payment?
A: We accept wire transfers and PayPal, among other payment methods. Before making payments through other methods, please contact us. A feasible 20-30% deposit is required, with the balance payable before installation.
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