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 illustrious KYN28 indoor metal-armored, withdrawable switchgear - a masterpiece of engineering brilliance! Designed to seamlessly integrate within power plant transmissions, sophisticated power systems, and substations tailored for industrial and mining enterprises, it's your go-to for receiving, distributing, controlling, and safeguarding power with unrivaled efficiency. Beyond its core capabilities, it masterfully handles high-voltage motor initiations, adhering to the stringent 'five prevention' interlocking stipulations. This versatile switchgear flawlessly aligns with the world-renowned ABB VD4 vacuum circuit breaker or the domestic VS1 vacuum circuit breaker, ensuring a performance second to none. Its adaptable scheme configurations and compact, robust architecture offer an exquisite blend of safety, reliability, and maintenance ease. The remarkable resistance to impacts and corrosion further underscores its indispensable role in power distribution.
Distinctive Product Features
- Our design flaunts a robust metal-clad structure, ensuring superior protective capabilities and resilience.
- We have integrated an advanced interlocking mechanism to effectively eradicate the risk of operational errors, adding a layer of unmatched reliability.
- Inside, the spatial arrangement is meticulously orchestrated to guarantee seamless component installation and optimal wiring convenience, enhancing operational efficiency.
- The cabinet door is equipped with an exceptional sealing system, proficient in shielding against dust and moisture, ensuring enduring performance.
- Engineered to thrive in a diverse array of challenging operating environments, showcasing its adaptability and robust construction.
Comprehensive Application Scope
With an expansive application scope, the switchgear is indispensable in power plants, substations, and industrial and mining enterprises. It's the ultimate choice for power distribution, intricate control operations, and unwavering 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