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
Experience the future of power distribution with the KYN28 indoor metal-armored, withdrawable switchgear-a masterpiece of engineering brilliance. Crafted for seamless incorporation within power plant transmissions, sophisticated power systems, and critical substations, this switchgear is the ultimate solution for industrial or mining enterprises. It redefines efficiency, excelling in power reception, distribution, control, and protection, catering to high-voltage motor initiations while strictly adhering to the vital 'five prevention' interlocking standards. This dynamic switchgear pairs effortlessly with globally acclaimed ABB VD4 vacuum circuit breakers or domestic VS1 vacuum circuit breakers, promising exceptional performance. Its flexible scheme configurations are complemented by a compact, robust design, delivering a symphony of safety, dependability, easy maintenance, and formidable resistance to impacts and corrosion. This makes the KYN28 switchgear an irreplaceable ally in power distribution.
Distinctive Product Features
- This cutting-edge design features a sturdy metal-clad structure that delivers unmatched protection and durability.
- A sophisticated interlocking mechanism is integrated to expertly negate any risk of operational mistakes.
- Internally, the space is ingeniously laid out to guarantee effortless component installation and supreme wiring convenience.
- The cabinet door is outfitted with a superior sealing system, providing exceptional defense against dust and moisture infiltration.
- Engineered to excel in a vast range of demanding operational environments.
Comprehensive Application Scope
With an expansive range of applications, the switchgear is indispensable in power plants, substations, and industrial as well as mining sectors. It stands out as the preferred choice for reliable power distribution, advanced control operations, and comprehensive 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