Knkong Electric Co.,Ltd |
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Working environment
1. Air temperature: -25℃~+40℃
2. Humidity: Monthly average humidity 95%; Daily average humidity
90% .
3. Altitude: ≤ 2500m
4. Ambient air not apparently polluted by corrosive and flammable
gas, vapor etc.
5. No frequent violent shake
Fully type-tested
The switchgear has undergone all the tests required by the
international (IEC) Standards. Each switchgear unit is subjected to
routine tests in the factory before delivery. These tests are
intended to provide a functional check of the switchgear based on
the specific characteristics of each installation.
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 | 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 |