Operation and installation condition
1. Installation altitude≤2000m
2. Ambient air temperature -5℃ ~+40℃ average temperature of 24 hours must below +35℃
3. Relative humidity below 90% when the temperature is +25℃±5℃
4. Ambient pollution level: 3
5. Installation category of the starter: III
Acting characteristic of each phase in distribution circuit breaker in the load balanced condition
![product-description1](https://www.cncele.com/uploads/product-description1121.jpg)
![product-description2](https://www.cncele.com/uploads/product-description268.jpg)
![product-description3](https://www.cncele.com/uploads/product-description349.jpg)