Ishlatish simi ikki qatlamli (ikkita) izolyatsiya bilan polivinilxlorid plastikasidan tayyorlangan, mis ko'p simli yadroga ega. Ushbu sim elektr qurilmalarini stasionar o'rnatish uchun, lift shaftlarida 450 V nominal kuchlanish va 50 Hz chastotada ishlatish uchun mo'ljallangan, harorat oralig'i minus 40 C dan plus 65 C gacha.
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