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
The KYN28 indoor metal-armored, withdrawable switchgear epitomizes the pinnacle of engineering mastery. Crafted meticulously for seamless integration, it excels within power plant transmissions, sophisticated power systems, and substations for industrial or mining enterprises. This switchgear is a powerhouse in receiving, distributing, controlling, and safeguarding power with unmatched precision and efficiency. Going beyond basic applications, it is adept at managing high-voltage motor initiations, brilliantly aligning with the stringent 'five prevention' interlocking stipulations. Compatibility with the globally renowned ABB VD4 vacuum circuit breaker and the exceptional domestic VS1 vacuum circuit breaker ensures its performance remains unparalleled. The adaptable scheme configurations of this switchgear are enhanced by its compact and robust architecture, offering a seamless blend of safety, reliability, and maintenance ease. It provides remarkable resistance to impacts and corrosion, establishing itself as an indispensable tool in power distribution.
Distinctive Product Features
- The design features a robust metal-clad structure, delivering superior protective capabilities and ensuring longevity.
- Incorporated is an advanced interlocking mechanism that effectively eliminates the risk of operational errors, ensuring smooth operations.
- Inside, the spatial arrangement is meticulously crafted, ensuring seamless component installation and optimal wiring convenience, enhancing overall efficiency.
- The cabinet door boasts an exceptional sealing system, highly effective in keeping out dust and moisture, thus preserving internal components.
- Capable of thriving in diverse and challenging operating environments, showcasing its versatility and resilience.
Comprehensive Application Scope
The switchgear boasts an extensive application scope, making it an indispensable asset in power plants, substations, and industrial and mining enterprises. It stands out as the ultimate solution for power distribution, intricate control operations, and robust protection, addressing a wide array of needs with precision and efficiency.
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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