KYN28A-12 Indoor Metal-Clad Withdrawable Switchgear: An epitome of engineering excellence, the KYN28A-12 represents a new standard in power distribution technology, offering unparalleled safety, operational efficiency, and adaptability for modern electrical systems.
The KYN28A-12 This state-of-the-art indoor metal-clad withdrawable switchgear (abbreviated as the switchgear) is meticulously crafted for applications across 3.6 - 24 kV, three-phase AC 50Hz single-bus sectionalized systems. It provides formidable solutions for diverse power networks:
- Power Plant Applications: Primarily employed for the seamless power transmission of medium-to-small generators within power plants, this switchgear ensures the efficient and reliable delivery of electrical energy from generation to the grid and interconnected systems.
- Substation and Distribution Applications: In substations and across the power distribution networks of factories, mines, and enterprises, the switchgear plays an indispensable role in power reception and transmission. It facilitates the consistent distribution of electricity to varied end-users and facilities, maintaining operational harmony.
- Motor Starting: It is integral for initiating large high-voltage motors, offering enhanced protection by regulating electrical currents during startup, thus preventing potential damage from over-current or voltage surges.
This switchgear is engineered to oversee, defend, and supervise the electrical system. It aligns with international and national standards, specifically IEC298 and GB3906-91, underscoring its reliability, safety, and adaptability across numerous applications.
Regarding component compatibility, beyond its compatibility with domestic VS1 vacuum circuit breakers, the switchgear also welcomes integration with illustrious international and domestic components such as VD4, Siemens' 3AH5, domestic ZN65A, and GE's VB2. This component diversity fosters increased flexibility in system design and customization.
To cater to the distinct requirements of wall-mounted installation and front-end maintenance, the switchgear is equipped with a specialized current transformer. This feature empowers operators to conveniently conduct maintenance and inspections from the front of the cubicle, thereby enhancing maintainability and accessibility. Overall, the KYN28 indoor metal-clad withdrawable switchgear is a high-performance power distribution device, blending reliability, compatibility, and user-centric design.
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 |



