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
The KYN28 indoor metal-armored, withdrawable switchgear is a masterpiece of modern engineering excellence, meticulously crafted to seamlessly integrate into power plant transmissions, sophisticated power systems, and substations within industrial or mining enterprises. This extraordinary switchgear excels in receiving, distributing, controlling, and safeguarding power with unmatched efficiency. In addition to its primary applications, it is remarkably proficient at handling high-voltage motor initiations, perfectly aligning with the rigorous 'five prevention' interlocking stipulations. This versatile equipment is compatible with the world-renowned ABB VD4 vacuum circuit breaker or the domestic VS1 vacuum circuit breaker, ensuring peak performance. With adaptable scheme configurations, the switchgear is defined by its compact and robust architecture. It offers a harmonious combination of safety, reliability, ease of maintenance, and outstanding resistance to impacts and corrosion, making it an indispensable tool in the realm of power distribution.
Distinctive Product Features
- The design showcases a robust metal-clad structure, providing superior protective capabilities that stand out in the industry.
- An advanced interlocking mechanism is ingeniously incorporated to effectively eliminate the risk of operational errors, ensuring smooth and safe operations.
- Inside, the spatial arrangement is meticulously planned to ensure seamless component installation and optimal wiring convenience, enhancing operational efficiency.
- The cabinet door features an exceptional sealing system, which is highly effective in keeping out dust and moisture, preserving the integrity of the equipment.
- Engineered to thrive in a wide array of challenging operating environments, demonstrating remarkable adaptability and resilience.
Comprehensive Application Scope
The switchgear's applications are extensive, making it an essential asset in power plants, substations, and industrial and mining enterprises. It is the definitive solution for power distribution, intricate control operations, and robust protection, ensuring reliability and performance across the board.
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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