KYN28A-12 Indoor Metal-Clad Withdrawable Switchgear
The KYN28A-12 This advanced indoor metal-clad withdrawable switchgear, referred to as the switchgear, is a state-of-the-art power distribution apparatus meticulously crafted for 3.6 - 24 kV, three-phase AC 50Hz single-bus sectionalized systems. It excels in performing multiple essential functions across various power systems:
- Power Plant Applications: Primarily leveraged for transmitting power from medium-to-small generators in power plants, it guarantees the seamless transfer of generated electrical energy to the power grid or other connected systems, ensuring optimal efficiency and reliability.
- Substation and Distribution Applications: Within substations in the power distribution network and the power systems of factories, mines, and enterprises, this switchgear plays a pivotal role in power reception and transmission. It facilitates the effortless distribution of power to a myriad of end-users and facilities, bolstering system reliability and performance.
- Motor Starting: Employing it for starting large high-voltage motors, it adeptly controls electrical currents during startup, shielding motors from potential over-current or voltage surges, thereby ensuring longevity and operational safety.
Designed to control, protect, and monitor electrical systems, this switchgear adheres to international and national standards, specifically meeting IEC298 and GB3906-91 requirements. This compliance underscores its reliability, safety, and broad compatibility across various applications, making it a premier choice in power systems.
With remarkable component compatibility, it integrates seamlessly with domestic VS1 vacuum circuit breakers and esteemed international components like VD4, Siemens' 3AH5, domestic ZN65A, and GE's VB2. This flexibility in component selection empowers system design and customization, offering unmatched flexibility and innovation.
To cater to specific wall-mounting and front-end maintenance requirements, the switchgear is equipped with a specialized current transformer. This design allows operators to perform maintenance and inspections effortlessly from the front of the cubicle, enhancing accessibility and maintainability. Overall, the KYN28 indoor metal-clad withdrawable switchgear stands as a high-performance power distribution device, blending reliability, compatibility, and user-centric 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 |
Lightening 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 |
|
|
IP4X for housing |



