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KYN28-12 Indoor Metal-Clad MV Switchgear 12kV vcb panel
Product description
The KYN28-12 vcb panel series is a metal-clad indoor medium voltage switchgear
Manufactured by Guangdong Haocheng Electric Co., Ltd.
It is designed for AC power systems with a rated voltage of 7.2–12kV
and frequency of 50Hz, delivering safe and efficient power distribution.
This switchgear is widely used in power plants, substations,
and various infrastructure and industrial projects.
Its compact structure, modular design, and reliable performance
Make it an ideal solution for medium voltage applications.
Construction features
1. Indoor metal-clad switchgear with VCB handcart,
designed to enhance insulation and protect busbars
from moisture and environmental exposure.
2. Modular and interchangeable structure,
allowing for simplified maintenance and quick replacements.
3. VCB handcart supports closed-door operation
to improve safety during use.
4. Each functional compartment is equipped with
An independent pressure relief channel for added protection.
5. Built-in mechanical interlocks provide reliable
Five prevention measures for operator safety.
Main parameter
| Item | Unit | Parameter | |||||
| Rated voltage | kV | 12 | |||||
| Rated insulation level | 1 min power frequency withstand voltage | P to P, P to E | kV | 42 | |||
| Break | kV | 48 | |||||
| lightning impulse withstand voltage | P to P, P to E | kV | 75 | ||||
| Break | kV | 85 | |||||
| Auxiliary circuit 1 min power frequency withstand voltage | kV | 2 | |||||
| Rated frequency | Hz | 50 | |||||
| Rated current ofthe Vacuum breaker | A | 630,1250,1600,2000,2500,3150,4000,5000 | |||||
| Rated current of the panel | A | 630,1250,1600,2000,2500,3150,4000,5000 | |||||
| Rated short-time withstand current(2s) | kA | 16，20，25，31，5，40，50 | |||||
| Rated peak withstand current | kA | 40，50，63，80，100，125 | |||||
| Rated short circuit duration | s | 4 | |||||
| Rated short-circuit breaking current(VCB) | kA | 16，20，25，31，5，40，50 | |||||
| Rated short citcuit making current(peak)(for VCB) | kA | 16，20，25，31，5，40，50 | |||||
| IP class | shell | IP4X | |||||
| VCB chamber door opened | IP2X | ||||||
| outline dimension | Width | mm | 650, 800,1000 | ||||
| Depth | mm | 1550, 1660 | |||||
| Height | mm | 2300 | |||||
