Low-voltage complete device (LVDD) power distribution and control of electric drives series "Yashma" is designed to receive and distribute electrical energy in three-phase alternating current networks with frequency 50; 60 Hz nominal voltage of 0,4 kV; 0,69 kV or in DC networks with voltage 600V. The device is designed to control the operation and protection against overloads and short-circuit currents of electric motors with squirrel-cage rotor and other electrical equipment.
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