Model: KYN28A-12 Indoor Metal-Clad Withdrawable Switchgear
The KYN28A-12 This indoor metal-clad, withdrawable switchgear-hereinafter referred to as 'the switchgear'-exemplifies cutting-edge power distribution technology that operates seamlessly across voltages between 3.6 and 24 kV. Tailored for three-phase AC systems at 50Hz, it excels in single-bus sectionalized systems, performing essential duties across diverse power infrastructures:
- Power Plant Applications: Specially engineered for power plants, this switchgear optimizes the transmission of electricity from medium- to small-sized generators. It ensures that the electrical power produced flows efficiently into the grid or other connected networks, maximizing energy output and minimizing losses.
- Substation and Distribution Applications: Within substations of power distribution networks and industrial power systems in factories, mines, and enterprises, this switchgear is indispensable. It allows for reliable power reception and distribution, ensuring that energy reaches various end-users and facilities without interruption.
- Motor Starting: This switchgear is also critical for initiating large high-voltage motors. By precisely managing the electrical current during motor startup, it provides critical protection against over-current and voltage surges, safeguarding the motor's longevity and performance.
The switchgear is meticulously designed to control, protect, and monitor electrical systems. It complies with rigorous international and national standards, specifically IEC298 and GB3906-91, guaranteeing unparalleled reliability, safety, and compatibility across a spectrum of applications.
Component compatibility is a hallmark of this switchgear. It supports integration with domestic VS1 vacuum circuit breakers and can seamlessly collaborate with globally recognized components like VD4, Siemens' 3AH5, domestic ZN65A, and GE's VB2. This adaptability allows for unparalleled flexibility in system configuration and customization.
To cater to wall-mounting installations and enhance maintenance accessibility, the switchgear incorporates a specially designed current transformer. This ensures convenient front-end maintenance and inspection, significantly improving the equipment's overall maintainability and user accessibility. In essence, the KYN28 indoor metal-clad withdrawable switchgear epitomizes high-performance power distribution, merging reliability, versatility, 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 |



