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 quintessential choice for your power plant transmission, power system facilitation, and industrial or mining enterprise substation necessities. This versatile switchgear is meticulously designed for receiving, distributing, controlling, and safeguarding your electrical network. It adeptly manages the frequent initiation of high-voltage motors, adhering strictly to the "five prevention" interlocking protocols. Tailor this switchgear with the renowned ABB's VD4 vacuum circuit breaker or a dependable domestic VS1 vacuum circuit breaker. Our switchgear promises a high-performance distribution experience, boasting a flexible scheme combination, a space-efficient compact structure, and unparalleled safety and reliability. Its design ensures effortless maintenance, resistance to impact, and protection against corrosion, offering a host of advantages tailored for demanding environments.
Product Features
- Crafted with a robust metal-clad structure, it delivers exceptional protection performance.
- Equipped with a comprehensive interlocking mechanism, it effectively prevents operation errors.
- Ingeniously designed internal space layout simplifies component installation and wiring tasks, enhancing efficiency.
- The cabinet door features excellent sealing performance, efficiently blocking out dust and moisture.
- Designed to excel in a multitude of challenging operational environments.
Application Scope
This switchgear finds extensive application in power plants, substations, industrial and mining enterprises, and more, serving vital roles in power distribution, control, and protection tasks.
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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