Photovoltaic industry in the past today or “sorrow”, but this year has been the “peak of the road”! Because of the photovoltaic industry “warming” demand is gradually increasing, however, with the increase in the demand for DC circuit breakers, more and more customers tend to ignore the basic, environmental impact on DC circuit breakers, the use of DC circuit breaker environment and how to identify it?

1. The elevation of the installation site of the DC circuit breaker shall not exceed 2000 meters;

2. the ambient air temperature is not higher than +40℃ not lower than -5℃; And the average value for 24 hours does not exceed +35℃ (except for special orders);

3. the installation site of the air relative humidity. Not more than 50% at high temperature +40℃, higher relative humidity can be allowed at lower temperatures, such as 90% at 2O℃. Special measures should be taken for occasional condensation caused by changes in dry temperature;

4. In the air, there is no explosive dangerous medium and no gas and conductive dust enough to corrode metal and destroy insulation;

5. Where there is no rain or snow;

6. The pollution level is 3;

7. Installation Category: The installation class of the main circuit of the circuit breaker is Ⅲ, and the installation class of the auxiliary circuit and control circuit not connected to the main circuit is red