Technical Parameters |
Value |
Rated Short-Time Withstand Current |
25kA (4s) |
Rated Short-Circuit Making Current (Peak) |
63kA |
Busbar Dynamic Stability Current |
80kA |
Busbar Thermal Stability Current |
25kA |
Circuit Breaker Mechanical Life |
10000 times |
Circuit Breaker Electrical Life |
5000 times |
Earthing Switch Short-Time Withstand Current |
25kA |
Earthing Switch Peak Withstand Current |
63kA |
Protection Level |
Shell IP4X, Circuit breaker chamber door open IP2X |
Product Description
Introducing the KYN28 indoor metal-armored, withdrawable switchgear, a masterpiece of engineering excellence. This cutting-edge equipment is crafted for flawless integration into power plant transmissions, advanced power systems, and substations serving the complex needs of industrial and mining enterprises. It thrives in receiving, distributing, controlling, and safeguarding power with exceptional efficiency. Not limited to its primary functions, it also excels in high-voltage motor initiations, adhering to the stringent 'five prevention' interlocking standards. This versatile switchgear is compatible with the elite ABB VD4 vacuum circuit breaker or the domestic VS1 vacuum circuit breaker, guaranteeing top-tier performance. Its adaptive scheme configurations are a testament to its compact and durable design. With an impeccable fusion of safety, reliability, easy maintenance, and formidable resistance to impacts and corrosion, this switchgear is an essential component in any power distribution network.
Remarkable Features That Define Excellence
- Crafted with a robust metal-clad structure, this design provides unparalleled protective capabilities.
- An innovative interlocking mechanism is skillfully integrated to eradicate the risk of operational errors.
- Internally, every spatial arrangement is carefully orchestrated to ensure seamless component installation and effortless wiring convenience.
- The cabinet door is equipped with an exceptional sealing system, proficiently keeping out dust and moisture.
- Engineered to excel in diverse and challenging operating environments.
Expansive Application Spectrum
The switchgear's extensive applications make it an invaluable asset in power plants, substations, as well as industrial and mining enterprises. It stands as the preferred choice for power distribution, complex control operations, and steadfast protection.
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FAQ

Q1:
Are we a manufacturer or a trading company?
A1:With 16 years of expertise, we specialize in the design and production of high and low voltage switchgear, distribution cabinets, and distribution boxes.
Q2:How to purchase?
A2:Reach out to us with your inquiry → provide drawings, requirements, and customization needs → inform us of your usage scenarios → receive our expert product design suggestions → negotiate details → confirm sample → sign contract/deposit → mass production → goods ready → balance payment/delivery → initiate further cooperation.
Q3:About OEM/ODM?
A3:Absolutely! 1. We can customize any product to your exact specifications. 2. We offer comprehensive design solutions to meet your needs.
Q4:What about sample acquisition?
A4:For standardized styles, we will send you a sample. You will be charged for the sample price plus all associated shipping costs, which depend on the number of samples.
Q5:What about MOQ?
A5:Our minimum order quantity is just 1 piece.
Q6:What about the time limit for getting a quote?
A6:Typically, we provide a quotation within 24 hours after receiving your inquiry and confirming the technical details.
Q7:What about the delivery time?
A7:Delivery time varies by product demand and quantity. Usually, after receiving the deposit, it takes 10 to 30 working days. We will confirm based on the actual situation.
Q8:
What about the shipping method?
A8:
Yes, sea freight is our standard; however, we offer other shipping methods as well. For alternative routes, please contact us.
Q9:
What about quality and warranty?
A9:
Within 24 months from the delivery date (typically 12 months in the industry), if any accessories have issues, simply provide photos of the damaged parts, and we will supply free replacements. We also offer free wearing parts depending on the quantity purchased and technical support upon request.
Q10:
What about payment methods?
A10:
a. 30% T/T in advance as deposit ,balanced against the shipping documents
b. irrevocable L/C at sight for order which amount is over 100 thousand USD
C. for old business partner,we can negociate together for other special terms