NKU ShchK are designed for distribution and metering of electrical energy voltage 380 and 220 V, as well as for the protection of outgoing lines at overloads, short circuits and inadmissible earth leakage currents in single-phase and three-phase networks with voltage 380/220 V frequency 50 Hz with deaf-earthed neutral. Shields are manufactured for the needs of the economy and sale through the retail network, installed in cottages, flats and other residential and public buildings, including in rooms accessible to unskilled personnel.
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