KYN28A-12 Indoor Metal-Clad Withdrawable Switchgear
The KYN28A-12 indoor metal-clad withdrawable switchgear, subsequently referred to as the switchgear, is an advanced power distribution unit engineered for 3.6 - 24 kV, three-phase AC 50Hz single-bus sectionalized systems. This versatile device provides essential functionalities across various power infrastructures:
- Power Plant Applications: As a crucial component in power plants, it is primarily employed for the transmission of power from medium-to-small generators. This ensures the seamless and efficient transfer of generated electricity to the power grid or other connected architectures.
- Substation and Distribution Applications: In substations within expansive power distribution networks and industrial power systems such as factories, mines, and enterprises, the switchgear plays an indispensable role in power reception and transmission. It facilitates the smooth and dependable distribution of power to various end-users and facilities.
- Motor Starting: It is adeptly utilized for starting large high-voltage motors, effectively controlling the electrical current during motor initiation. This crucial function protects the motor from potential over-current or voltage surge-related damages.
Functionally, this switchgear is meticulously designed to control, protect, and monitor electrical systems. It adheres to both international and national standards, specifically conforming to IEC298 and GB3906-91 regulations. This stringent compliance guarantees its reliability, safety, and compatibility across a broad spectrum of applications.
In terms of component compatibility, beyond its compatibility with domestic VS1 vacuum circuit breakers, the switchgear is integrable with renowned international and domestic components such as VD4 , 3AH5 from Siemens, domestic ZN65A, and VB2 from GE. This expansive versatility in component selection empowers greater flexibility in system design and customization.
To address specific needs for wall-mounting installations and front-end maintenance, the switchgear is equipped with a specialized current transformer. This thoughtful design feature allows operators to conduct maintenance and inspections effortlessly from the front of the cubicle, significantly enhancing maintainability and accessibility. Overall, the KYN28 indoor metal-clad withdrawable switchgear stands as a high-performance power distribution device that seamlessly blends reliability, adaptability, 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 |
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