NKU designed for power distribution for currents up to 6300A and voltage up to 1 kV, frequency 50/60Hz with different grounding systems. K-BLOCK type switchgears are protected switchgears of cabinet design, of high safety level, with the possibility of modification and change of configuration under voltage.
They are used in switchgears of the gas industry, as well as in auxiliary needs of power plants, in district substations of public power networks, in distribution networks of industrial and civil facilities. Climatic execution of switchgear - U3, UHL3, designed for indoor operation with natural ventilation without artificially regulated climatic conditions, have degree of protection according to GOST 14254-2015 - not lower than IP31
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