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-an epitome of cutting-edge engineering crafted for flawless integration into power plant transmissions, advanced power systems, and substations tailored for industrial or mining operations. This switchgear excels with unprecedented efficiency in receiving, distributing, controlling, and safeguarding power. Not only does it cater to high-voltage motor initiations, but it also aligns impeccably with rigid 'five prevention' interlocking standards. The KYN28 switchgear is adaptable with the globally acclaimed ABB VD4 vacuum circuit breaker or the domestic VS1 vacuum circuit breaker, promising exemplary performance. Its adaptable scheme configurations, coupled with a compact and sturdy design, provide a blend of safety, reliability, and effortless maintenance. Its remarkable resistance to impacts and corrosion makes it an essential component in power distribution.
Distinctive Product Features
- Discover a design with a robust metal-clad structure, offering unmatched protective capabilities.
- Equipped with an advanced interlocking mechanism, this feature effectively eliminates any risk of operational errors.
- Within, the spatial design is meticulously curated to ensure seamless component installation and optimal wiring simplicity.
- The cabinet door is enhanced with an outstanding sealing system, extraordinarily effective in keeping out dust and moisture.
- Engineered to flourish in a diverse range of demanding operational environments.
Comprehensive Application Scope
The applications of this switchgear are vast, establishing it as an indispensable asset in power plants, substations, as well as industrial and mining enterprises. It stands as the preferred solution for power distribution, intricate control functions, and robust 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