Compact Indoor Vacuum Circuit Breaker Zn12 Series for Space-Saving Solutions

Technical Parameter

Applying Ambient Conditions

1. Ambient air temperature: upper limit +40ºC, lower limit -30ºC; 

2. Altitude: ≤2000m (if the altitude needs to be increased, the rated insulation level should be increased accordingly);

3. Wind pressure: no more than 700Pa (equivalent to wind speed of 34m/s);

4. Amplitude: earthquake intensity 8 degrees;

5. Contamination level: Class I;

6. Maximum daily temperature difference: no more than 25ºC.