It suits for operating in the circuit of AC 50Hz, rated operating voltage 500V and below, in some special cases, the protection grade can reach up to IP55, the top and bottom of the panel will provide knockout holes, if multiple pipes are used for incoming lines, opening plate can be prepared, maxi rated current up to 400A, especially suitable for usage in metering and control box of mining field, hotel, living buildings and etc.
Normal service conditions
■ Ambient air temperature:
■ Maximum air temperature: +40℃,
■ Minimum air temperature: -5℃;
■ Humidity: when the ambient air temperature is +40℃,the relative humidity of the air shall not be higher than 50%; a higher relative humidityis allowed at a lower temperature; for example, the relative humidity shall be 90% in +20℃
■ Altitude: ≤ 2000m;
■ Installation category: II class;
■ Pollution degree: 3.
■ Rated operating voltage: 230V 400V
■ Rated operating voltage: 400A
■ Rated short-circuit breaking capacity: 80kA
■ Degree of protection: IP55
