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 pinnacle of engineering excellence designed for power plants, robust power systems, and the substations of industrious enterprises. This state-of-the-art switchgear is engineered for seamless transmission, distribution, control, and protection of electric power. It also excels in applications requiring frequent initiation of high-voltage motors, all while complying with the stringent 'five prevention' interlocking standards. Embodying versatility and high performance, it can be equipped with either the esteemed ABB VD4 or the reliable domestic VS1 vacuum circuit breaker. This results in a sophisticated distribution device that boasts a multitude of benefits including flexible scheme combinations, a compact yet robust structure, unwavering safety, and maintenance simplicity. Moreover, it is fortified with remarkable impact and corrosion resistance, ensuring a long-lasting, reliable operation.
Product Features
- Exuding strength and durability, the metal-clad structure offers superior protective capabilities.
- Equipped with a comprehensive interlocking mechanism, it effectively prevents any operational mishaps.
- Ingeniously designed, the internal layout is optimized for effortless component installation and precise wiring.
- The cabinet door is engineered for exceptional sealing performance, safeguarding against dust and moisture intrusion.
- Built to withstand diverse and challenging operating conditions with remarkable adaptability.
Application Scope
Renowned for its versatility, it finds extensive application in power plants, substations, and a myriad of industrial and mining enterprises, providing unparalleled power distribution, control, and 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