KYN28A-12 Indoor Metal - Clad Withdrawable Switchgear
The KYN28A-12 This cutting-edge indoor metal-clad withdrawable switchgear (referred to hereafter as the switchgear) represents the pinnacle of power distribution solutions, expertly crafted for 3.6 - 24 kV, three-phase AC 50Hz single-bus sectionalized systems. It fulfills a multitude of pivotal roles across diverse power systems, ensuring efficient and reliable power distribution:
- Power Plant Applications: Tailored for the optimal power transmission of medium-to-small generators within power plants, this switchgear guarantees the seamless transfer of electrical energy generated by these generators to the power grid or other interconnected systems, thereby optimizing energy utilization.
- Substation and Distribution Applications: Within substations of power distribution networks and in the power systems of factories, mines, and enterprises, the switchgear is indispensable for power reception and transmission, facilitating the uninterrupted flow of power to various end-users and installations.
- Motor Starting: Also utilized in the start-up of large high-voltage motors, this intelligent switchgear manages the electrical current during motor startup, protecting the motor against potential harm from over-current or voltage spikes, thus prolonging its operational lifespan.
Functionally, this switchgear is meticulously engineered to control, protect, and monitor electrical systems, adhering to the stringent international and national standards of IEC298 and GB3906-91. Its compliance ensures unmatched reliability, safety, and compatibility, making it suitable for a wide array of applications.
With regard to component compatibility, the switchgear is exceptionally versatile. Besides compatibility with domestic VS1 vacuum circuit breakers, it accommodates integration with renowned international and domestic components such as VD4, Siemens' 3AH5, domestic ZN65A, and GE's VB2. This adaptability in component selection offers enhanced flexibility in system design and customization.
To address distinctive requirements for wall-mounting installations and front-end maintenance, the switchgear is outfitted with a specialized current transformer. This design innovation allows operators to easily conduct maintenance and inspections from the cubicle's front, boosting the equipment's overall maintainability and accessibility. In essence, the KYN28 indoor metal-clad withdrawable switchgear stands as a high-performance power distribution marvel that merges 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 |



