the ambient air temperature is not higher than +40 'c , not less than -5 'C , 24h the average temperature should not be higher than +35 'Cindoor installation use, the use of the altitude of not more than 2000m;The relative humidity of the surounding air is not more than 50% at a maximum temperature of+ 40* C and should allow a relatively largerelative temperature at a lower temperature (eg 90% at + 2 ° C), Considering that the temperature may change by chance Produce the efect ocondensation;
*The inclination of the equipment with the vertical surface is not more than 5 °;* Equipment should be installed in places where there is no severe vibration and shock, and where it is not suficient to corrode electricalcomponents;
users have special requirements can be resolved in consultation with the manufacturer.
GGD AC low voltage distribution cabinet for power plants, substations.factories and mines and other power users AC 50Hz; rated workingvoltage 380V,rated current to 3150A power distribution system, aspower, lighting and power distribution equipment, energy conversion,Disinipution and control.
GGD AC low-voltage distribution cabinet is based on the energydepartment in charge of the upper and the majority of power users anddesign departments, in a safe,economical, reasonable and reliabledesian of the new low-voltage distribution cabinet. The product has thecharacteristics of high breaking capacity, good thermal stability, goodelectrical scheme, convenient combination, series, practicality, novestructure and high protection grade. lt can be used as a replacement
product for low voltage switchgear.GGD AC low-voltage distribution cabinet in line with lEC439 "low-voltage switchgear and control equipment," GB7251 "ow-voltageswitchgear" and other standards.
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