China Best 1600 Amp Mccb Factories – CJ...
Type Designation
Operating Conditions
1. Ambient temperature: -5℃~+40℃;
2. Air conditions: At mounting site, relative humidity not exceed 50% at the maximum temperature of +40℃. For the wettest month, the maximum relative humidity averaged shall be 90% while the lowest temperature averaged in that month is +20℃,special measures should be taken to occurrence of condensation.
3. Altitude: ≤2000m;
4. Pollution grade: 2
5. Mounting category: III;
6. Mounting conditions: i...