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 testament to engineering brilliance leading the charge in power management solutions. Meticulously crafted, this switchgear effortlessly assimilates into power plant transmission networks, cutting-edge power systems, and substations specifically designed for industrial or mining enterprises. Its outstanding aptitude in receiving, distributing, controlling, and safeguarding power redefines operational excellence. In addition to its core functions, it seamlessly initiates high-voltage motors, complying with the stringent 'five prevention' interlocking standards. This adaptable switchgear is compatible with the world-renowned vacuum circuit breaker or the top-tier domestic VS1 vacuum circuit breaker, ensuring unmatched performance. Its versatile scheme configurations are complemented by a compact and robust construction, providing unparalleled safety, reliability, and maintenance ease. Built to resist impacts and corrosion, this switchgear is a vital asset in the domain of power distribution.
Distinctive Product Features
- Boasting a robust metal-clad framework, this design offers unrivaled protective capabilities.
- Furnished with an innovative interlocking mechanism, this feature effectively minimizes the risk of operational errors.
- Internally, the spatial configuration is meticulously arranged to facilitate flawless component installation and optimal wiring convenience.
- The cabinet door showcases an exceptional sealing system, ensuring superior protection against dust and moisture infiltration.
- Engineered to perform seamlessly in a myriad of challenging operational environments.
Comprehensive Application Scope
With broad applications, the switchgear is essential in power plants, substations, and the industrial and mining sectors. It emerges as the go-to solution for power distribution, intricate control functions, 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