NKU are designed to control various technological equipment of electrical stations and substations, as well as to protect this equipment from overloads and short-circuit currents. Electricity distribution in the cabinets NKU is carried out for currents up to 6300 A and voltage up to 1000 V, frequency 50/60 Hz with different grounding systems. Climatic execution of switchgear cabinets - U1,U2,U3,U4, UHL1, UHL2, UHL3, UHL4, have protection degree according to GOST 14254-2015 - not lower than IP31.
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