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 Switchgear, a marvel of modern engineering crafted by Guangzhou Gaobo Electromechanical Equipment Co., Ltd. This indoor metal-armored, withdrawable switchgear is engineered to perfection for smooth integration into cutting-edge power plant transmissions, sophisticated power systems, and high-demand substations across industrial and mining enterprises. It is a master at receiving, distributing, controlling, and safeguarding power with unrivaled efficiency. Beyond its primary roles, it gracefully handles high-voltage motor initiations, adhering impeccably to the stringent 'five prevention' interlocking standards. This adaptable switchgear is compatible with the globally acclaimed ABB VD4 vacuum circuit breaker or the domestically renowned VS1 vacuum circuit breaker, ensuring unparalleled performance. Its adaptable scheme configurations and compact, robust architecture embody a perfect harmony of safety, reliability, and ease of maintenance, combined with exceptional resistance to impacts and corrosion, making it an invaluable asset in power distribution.
Distinctive Product Features
- Our design encompasses a robust metal-clad structure, providing exceptional protective capabilities to ensure longevity and reliability.
- Incorporated within is an advanced interlocking mechanism, meticulously designed to effectively eliminate any risk of operational errors, safeguarding your systems.
- Internally, the spatial arrangement is meticulously planned for seamless component installation and optimal wiring convenience, ensuring hassle-free maintenance and operation.
- The cabinet door is equipped with an outstanding sealing system, remarkably effective at keeping dust and moisture at bay, protecting the interior components.
- Engineered to excel in a diverse array of challenging operating environments, ensuring consistent and reliable performance.
Comprehensive Application Scope
The switchgear's expansive applications render it an indispensable tool in power plants, substations, and industrial and mining enterprises. It stands as the premier solution for efficient power distribution, intricate control operations, and robust 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