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
Elevate your power management systems with the KYN28 indoor metal-armored, withdrawable switchgear, a masterwork of engineering brilliance. This cutting-edge solution is meticulously crafted for flawless integration into power plant transmissions, advanced power systems, and substations tailored for industrial or mining enterprises, ensuring exceptional efficiency in power reception, distribution, control, and protection. Its capabilities extend to the precise handling of high-voltage motor initiations, seamlessly meeting 'five prevention' interlocking requirements. This adaptable switchgear is compatible with the globally esteemed ABB VD4 or domestically acclaimed VS1 vacuum circuit breakers, promising unmatched performance. Its scheme configurations are designed for flexibility, featuring a compact yet robust architecture. The switchgear offers an ideal fusion of safety, dependability, ease of maintenance, and extraordinary resistance to impacts and corrosion, making it an essential component in modern power distribution.
Distinctive Product Features
- Crafted with a formidable metal-clad structure, this design ensures exceptional protective capabilities, safeguarding your systems with unmatched reliability.
- Incorporating an advanced interlocking mechanism, this feature effectively mitigates operational errors, elevating the safety standards of your operations.
- Inside the switchgear, every spatial arrangement is strategically designed to facilitate effortless component installation and optimize wiring efficiency.
- The cabinet door is equipped with an exceptional sealing system, offering superior protection against dust and moisture intrusion.
- This sophisticated switchgear is engineered to perform exceptionally well across a diverse range of challenging operating environments.
Comprehensive Application Scope
Boasting a wide-ranging application scope, this switchgear is indispensable in power plants, substations, and industrial and mining sectors. It stands as the premier solution for power distribution, intricate control operations, 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