Conditions of use of low-voltage switchgear

1. The ambient air temperature should not exceed 40℃, not lower than -5℃ within 24h, and the average temperature should not exceed 35℃.

2. The air is clean. When the maximum temperature is 40°C, the relative humidity should not exceed 50%. At lower temperatures, higher relative humidity is allowed.

3. The pollution level is level 3.

4. The altitude of the installation site shall not exceed 2000m.

5. Special conditions of use will be negotiated separately when ordering.