The box of reserve switching device on 630A | |
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The basic technical characteristics: -Two inputs and two section units; -Nominal voltage: V, Hz ....... 380/220, 50/60; -Admissible settings of voltage deviations from nominal value: ♦ the maximum ....... +(1:30)% from Unom; ♦ the minimum ....... -(1:40)% from Unom; -Nominal current on output busbar assembly, А ....... up to 630; -Time of switching from the basic input to the sectional one and from the sectional one to the basic one, for no more seconds than ....... 1,0; Operation conditions: -Operating ambient temperature -25°С to +55°С; -Relative air humidity at +25°C up to 98%; -Altitude above sea level up to 3000 m |