KYN28A-12 Indoor Metal-Clad Withdrawable Switchgear - A pinnacle of advanced technology, this switchgear guarantees both safety and performance in power distribution.
The KYN28A-12 The indoor metal-clad withdrawable switchgear (hereinafter referred to as the switchgear) represents the future of power distribution, engineered for 3.6 - 24 kV, three-phase AC 50Hz single-bus sectionalized systems. It is a multi-functional marvel, indispensable across diverse power scenarios:
- Applications in Power Plants: Primarily instrumental for transmitting power from medium-to-small generators, this switchgear ensures the seamless transfer of electrical energy from these generators to the power grid or connected interfaces, guaranteeing energy efficiency and continuity.
- Applications in Substations and Distribution: Within substations of power distribution networks and the power systems of factories, mines, and enterprises, the switchgear is vital for both power reception and transmission. It facilitates the unimpeded distribution of power to myriad end-users and facilities, ensuring operational stability.
- Motor Starting Innovations: Crucial for initiating large high-voltage motors, the switchgear expertly manages electrical currents during motor startup, providing essential protection against over-current and voltage spikes, thus safeguarding the longevity and efficiency of the motors.
With its core design focused on control, protection, and system monitoring, the switchgear meets stringent international and national standards, specifically adhering to IEC298 and GB3906-91. This compliance guarantees not only reliability and safety but also adaptability across a wide spectrum of applications.
For component integration, the switchgear excels with compatibility - beyond accommodating domestic VS1 vacuum circuit breakers, it integrates seamlessly with renowned international and domestic components such as VD4, Siemens' 3AH5, domestic ZN65A, and GE's VB2. This extensive compatibility offers unparalleled flexibility in system design and customization, catering to diverse operational needs.
Designed to cater to specific installation requirements, such as wall-mounting and front-end maintenance, the switchgear incorporates a specialized current transformer. This feature empowers operators to conduct maintenance and inspections with ease from the front, significantly enhancing the equipment's maintainability and accessibility. In essence, the KYN28 indoor metal-clad withdrawable switchgear is an embodiment of superior power distribution technology, combining 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 |



