Introducing the KYN28A-12 Indoor Metal-Clad Withdrawable Switchgear
The pinnacle of engineering excellence, KYN28A-12 This impressive indoor metal-clad withdrawable switchgear (referred to as the switchgear) is an all-encompassing power distribution marvel. Designed for 3.6 - 24 kV, three-phase AC 50Hz single-bus sectionalized systems, it performs pivotal roles across diverse power systems:
- Power Plant Applications: This switchgear is the go-to solution for power transmission of medium-to-small generators in power plants. It guarantees the seamless transfer of electrical energy from these generators to the power grid or other interconnected systems, optimizing operational efficiency.
- Substation and Distribution Applications: Within the heart of substations in power distribution networks and the power systems of factories, mines, and enterprises, this switchgear excels in power receiving and transmission. It ensures the flawless distribution of power to various end-users and facilities, maintaining operational integrity.
- Motor Starting: A critical component for starting large high-voltage motors, this switchgear expertly manages electrical current during motor initiation, safeguarding against potential overload or voltage spikes, thus protecting your investments.
Functionally adept, this switchgear is expertly crafted to control, protect, and monitor electrical systems. It rigorously adheres to international and national standards, specifically aligning with IEC298 and GB3906-91. Such stringent compliance certifies its reliability, safety, and adaptability across a broad spectrum of applications.
Exceptionally versatile in component integration, besides seamless compatibility with domestic VS1 vacuum circuit breakers, this switchgear accommodates renowned international and domestic components like VD4, Siemens' 3AH5, domestic ZN65A, and GE's VB2. This adaptability provides unparalleled flexibility in system design and customization, catering to diverse needs.
To address specific wall-mounting installation and front-end maintenance needs, this switchgear is equipped with a specialized current transformer. This thoughtful design allows operators to conduct maintenance and inspections effortlessly from the cubicle's front, significantly boosting the equipment's maintainability and accessibility. In essence, the KYN28 indoor metal-clad withdrawable switchgear stands as a high-performance power distribution device embodying 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 |
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 |
|
|
IP4X for housing |



