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MVXN85-40.5

MVXN85-40.5 series indoor high-voltage vacuum circuit breaker is suitable for three-phase AC 50HZ.5kv system winding. It can be used by industrial and mining enterprises and power plants to change the power station to break and close load current, overload current and short-circuit current. It is also suitable for frequency operating situations.

normal usage conditions

1. Surrounding air temperature: upper limit +40℃, lower limit -30℃.
2. Altitude ≤ 2000m (if the altitude needs to be increased, the rated level will be increased accordingly).
3. Amplitude: The earthquake intensity does not exceed 8 degrees.
4. The daily average relative humidity of the air should not be greater than 95%; the monthly average should not be greater than 90%.
5. Places without risk of fire, explosion, severe pollution, chemical corrosion and severe vibration.

Product model and meaning

MVX NS-12/port-port-port
⑴ (2) (3) (4) (5) (6) (7)
(1) Enterprise code
(2) Indoor
(3) Design code
(4) Rated voltage (kV)
(5) Rated current (A)
(6) Rated short-circuit breaking current (KA)

The main technical parameters

Overall installation dimensions

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