1. The ambient air temperature is -5°C to +40°C, and the average value within 24h does not exceed +35°C (except for special orders);
2. The altitude of the installation site does not exceed 2000m;
3. The relative humidity of the air at the installation site does not exceed 50% when the ambient air temperature is +40°C; at lower temperatures, higher relative humidity is allowed. The monthly average minimum temperature of the wettest month does not exceed +25°C, and the monthly average maximum relative humidity of that month does not exceed 90%. Measures must be taken for condensation on the product due to temperature changes;
4. Pollution degree is level 3;
5. Utilization category is B;
6. The installation category of the circuit breaker main circuit, undervoltage release coil, and power transformer primary coil is IV, and the installation category of other auxiliary circuits and control circuits is III;
7. The circuit breaker should be installed according to the installation requirements in our company's manual, and the vertical inclination of the circuit breaker does not exceed 5°;
8. The circuit breaker is installed in the cabinet compartment with a door frame, and the protection degree is IP40; with a door frame and sealed transparent cover, the protection degree is IP54.
Note: The above information and technical parameters are compiled and released by Yangzhou Dari Electric Co., Ltd.
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