Knkong Electric Co.,Ltd |
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Fully type-tested
The KYN28 switchgear produced by KNKONG-ELECTRIC has passed all the tests required by the International (IEC) standard. Before leaving the factory, each switchgear undergoes rigorous tests designed to check the function of the switchgear according to the specific characteristics of each device.
Technical data
No. | Item | Unit | Parameter | ||
1 | Rated voltage | kV | 3.6~24 | ||
2 | Rated frequency | Hz | 50/60 | ||
3 | Rated current | A | 630,1250,1600,2000,2500,3150,4000 | ||
4 | Branch busbar Rated current | 630,1250,1600,2000,2500,3150,4000 | |||
5 | The 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 |