The four-wire four-wire aluminium AC busbars SHMA 4 (3L+PEN(50/100%) + housing(AI/Fe) and five-wire SHMA 5 (3L+N(100/200%)+PE(50/100%)+ housing(AI/Fe) are designed for operation in industrial, commercial, administrative buildings; at infrastructure facilities; in multi-storey and multifunctional buildings in electrical networks of three-phase current with frequency of 50 and 60 Hz at voltage up to 1000 V. In terms of electrical characteristics, technical performance and functional purpose of the busbar SOEMI is not inferior to world analogues, and in some aspects it has no equals.
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