KYN28A-12 Armored Metal Enclosed Switchgear

KYN28A-12 Armored Metal Enclosed Switchgear

It is suitable for three-phase AC rated voltage 12kV, rated frequency 50Hz power system, used to receive and distribute electric energy and control, protect and monitor the circuit.

Conditions of Use:

1. Ambient temperature: the highest temperature +40°C, the lowest temperature -15°C (under special technology, it can reach -45°C);

2. Environmental humidity: daily average ≤95%, monthly average ≤90%;

3. Altitude: below 1000m;

4. Earthquake resistance; earthquake intensity does not exceed 8 degrees;

5. The surrounding air should not contain corrosive or flammable gas, water vapor and other obvious pollution;

6. There is no serious pollution and frequent severe vibration, and the severity design meets the requirements of category 1 under severe conditions;

7. When used under normal environmental conditions exceeding GB3906, it shall be negotiated by the user and the manufacturer.

Note: ① The electric heater should be switched on when the relative humidity is greater than 70%.

② Where the altitude exceeds 1000m, it shall be handled in accordance with the regulations of JB/Z102-71.

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