◆Main technical parameters:
1. Electric enclosure enclosure IP55 - IP68 2. The electric device works normally under the following conditions: altitude does not exceed 1000m; working environment temperature -20°C~+40°C; working environment relative humidity ≤95% (25°C); working environment does not contain strong corrosive medium; short time Working system, the time quota is 10min; the rated voltage is 380V and the frequency is 50HZ. Partially revolving outdoor features and technology,
3. Working environment and main technical parameters
3.1 Power: General, three-phase 380V (50Hz)
Special, three-phase 660V, 415V (50Hz, 60Hz);
Single phase 220V, 110V (50Hz, 60Hz)
3.2 Working environment:
3.2.1 Ambient temperature: -20~+60°C (Special order -40~+80°C).
3.2.2 Relative humidity: ≤95% (at 25 °C).
3.2.3 Type of protection: Outdoor type is used in places without flammable, explosive and non-corrosive media. There are two kinds of flameproof products: dI and dIIBT4. dI is suitable for non-mining working face of coal mine; dIIBT4 is used for factory, suitable for explosive gas mixture of environment IIA, IIB grade T1~T4. (See GB3836.1 for details)
3.2.4 Protection level: IP55 (special order IP65, IP67).