Knkong Electric Co.,Ltd
Knkong Electric Co.,Ltd
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Product Introduction
General
KYN28A-12 metal armored central removable switchgear is a complete set of power distribution equipment for three-phase AC 50Hz, rated voltage 3.6-12kV single bus and single bus section system. It is mainly used in power plants, substations, transformation and distribution centers of industrial and mining enterprises, and large high-voltage motor starting equipment, etc., for receiving and distributing electric energy, and for controlling, protecting and monitoring circuits.
Using environment
No obvious pollution by dust, smoke, corrosive and/or flammable gas, steam, or salt spray;
Technical data
| No. | Item | Unit | Parameter | ||
| 1 | Rating voltage | kV | 3.6~24 | ||
| 2 | Rating frequency | Hz | 50/60 | ||
| 3 | Rating current |
A | 630,1250,1600,2000,2500,3150,4000 | ||
|
4 | Branch busbar Rated current |
630,1250,1600,2000,2500,3150,4000 | |||
|
5 | Main busbar Rated current |
630,1250,1600,2000,2500,3150,4000 | |||
|
6 | 1min Power frequency withstand voltage | wet |
KV | 38 | 50/60 |
|
dry |
48 |
60/65 | |||
|
7 | Lightning impulse withstand voltage |
kV |
75 |
95/125 | |
|
8 | Rated short circuit breaking current (peak) |
KA |
40/50/63/80/100 | ||
|
9 | Short time withstand current(4s) |
20/25/31.5/40 | |||
| 10 | Protection type | IP4X for housing | |||
