KYN28A-12 Indoor Metal-Clad Withdrawable Switchgear
The KYN28A-12 indoor metal-clad withdrawable switchgear, hereafter referred to as the switchgear, is a top-tier power distribution apparatus meticulously crafted for 3.6 - 24 kV, three-phase AC 50Hz single-bus sectionalized systems. Engineered to meet diverse power system demands, it fulfills multiple pivotal functions:
- Power Plant Applications: Primarily deployed for the power transmission from medium-to-small generators within power plants, it ensures an efficient and seamless transfer of electrical energy generated by these units to the broader power grid or other integrated systems.
- Substation and Distribution Applications: Within substations of the power distribution network, as well as in the power systems of factories, mines, and enterprises, the switchgear is indispensable for power reception and transmission. It ensures the smooth and reliable distribution of power to various end-users and facilities.
- Motor Starting: It is also crucial for initiating large high-voltage motors. By meticulously controlling the electrical current during motor startup, it effectively protects the motor from potential damage caused by over-current or voltage surges.
Functionally, the switchgear is adept at controlling, protecting, and monitoring electrical systems. It complies rigorously with international and national standards, specifically adhering to IEC298 and GB3906-91. This unwavering compliance guarantees its reliability, safety, and adaptability across a broad spectrum of applications.
Regarding component compatibility, alongside its compatibility with domestic VS1 vacuum circuit breakers, the switchgear can seamlessly integrate with renowned international and domestic components like VD4 , 3AH5 from Siemens, domestic ZN65A, and VB2 from GE. This extensive versatility in component selection allows for enhanced flexibility in system design and customization.
To meet precise requirements for wall-mounting installation and front-end maintenance, the switchgear features a specialized current transformer. This advanced design facilitates easy maintenance and inspections directly from the cubicle's front, thereby augmenting the equipment's overall maintenance and accessibility. In sum, the KYN28 indoor metal-clad withdrawable switchgear stands as a high-performance power distribution device that harmonizes 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 |
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