China Best 1250 Amp Mccb Company – JD-5...
Operating conditions
Altitude ≤2000m.
Ambient temperature Range: -5℃ ~ +40℃, with daily average ≤ +35℃.
Atmospheric condition: when the highest temperature is +40℃, the relative humidity of air shall be no more than 50%, higher relative humidity shall be allowable at lower temperature, for instance air humidity may reach 90% at +20 ℃. As for dews, which contigently appear due to change of temperature, special steps should be taken.
Pollution Level: Level 3.
Inclination between installation p...