KYN28A-12 Indoor Metal-Clad Withdrawable Switchgear
The KYN28A-12 This state-of-the-art indoor metal-clad withdrawable switchgear, affectionately known as the 'switchgear', is a superior power distribution apparatus crafted for 3.6 - 24 kV, three-phase AC 50Hz single-bus sectionalized systems. It is engineered to perform a multitude of essential functions within diverse power systems:
- Power Plant Applications: Primarily utilized for the efficient power transmission of medium-to-small generators in power plants, it ensures seamless delivery of electrical energy generated to the power grid or other interconnected frameworks.
- Substation and Distribution Applications: Within substations of power distribution networks and the power infrastructures of factories, mines, and enterprises, the switchgear plays an indispensable role in power reception and transmission. It guarantees the smooth distribution of electricity to diverse end-users and facilities.
- Motor Starting: Additionally employed for starting large high-voltage motors, it controls the electrical current during motor startup, offering exceptional protection against potential damage from over-current or voltage surges.
This meticulously designed switchgear excels in controlling, protecting, and monitoring the electrical system. It proudly adheres to both international and national standards, specifically meeting the rigorous requirements of IEC298 and GB3906-91, ensuring its reliability, safety, and compatibility across a spectrum of applications.
In terms of component synergy, beyond compatibility with domestic VS1 vacuum circuit breakers, the switchgear seamlessly integrates with renowned international and domestic components such as VD4, 3AH5 from Siemens, domestic ZN65A, and VB2 from GE. This broad component compatibility fosters greater flexibility in system design and customization.
To adeptly accommodate the specific demands of wall-mounting installation and front-end maintenance, the switchgear is equipped with a specialized current transformer. This thoughtful design feature empowers operators to conduct maintenance and inspections with ease from the front of the cubicle, significantly enhancing the equipment's maintainability and accessibility. Overall, the KYN28 indoor metal-clad withdrawable switchgear stands as a high-performance power distribution device blending reliability, compatibility, and user-friendly features.
Item |
Unit |
Parameters |
|
KV |
12 |
Rated Frequency |
Hz |
50/60 |
Rated Current |
A |
630, 1250, 1600, 2000, 2500, 3150 |
Branch busbar rated current |
A |
630, 1250, 1600, 2000, 2500, 3150 |
Main busbar rated current |
A |
630, 1250, 1600, 2000, 2500, 3150 |
Lightning Impulse Withstand Voltage |
KV |
75, 95/125 |
Rated Short-time Withstand Current (4s) |
KA |
16, 20, 25, 31.5, 40, 50 |
Rated Short Circuit Breaking Current (Peak) |
KA |
40, 50, 63, 80, 100 |
|
|
With an impressive housing protection grade of IP4X |



