毛片免费视频|国产一级做a爰片久久毛片|亚洲激情五月天·|亚洲无码另类色图|国产成人亚洲高清一区

<del id="jzhue"><big id="jzhue"></big></del>
      <delect id="jzhue"></delect>
      <delect id="jzhue"></delect>
        <delect id="jzhue"><div id="jzhue"><label id="jzhue"></label></div></delect><delect id="jzhue"></delect>
          <label id="jzhue"></label><delect id="jzhue"></delect>
            <delect id="jzhue"><noframes id="jzhue">
                    <label id="jzhue"></label>
                    <delect id="jzhue"></delect>
                        <var id="jzhue"><noframes id="jzhue"><samp id="jzhue"></samp>

                        控制電纜

                        塑料絕緣控制電纜
                        日期:08-20

                          產(chǎn)品標(biāo)準(zhǔn)

                          Reference Standards

                          本產(chǎn)品按GB9330《塑料絕緣控制電纜》及企業(yè)標(biāo)準(zhǔn)制造。

                          This product is manufactured according to GB9330 and enterprise standards.

                          適用范圍

                          Application

                          適用于額定電壓450/750V及以下控制、信號(hào)、保護(hù)及測(cè)量系統(tǒng)接線(xiàn)之用。

                          For system connection wire of control, signal , protection or measuring with rated voltage up to and including 450/750V.

                          使用特性

                          Operating characteristics

                          ● 額定電壓Uo/U:450/750V。

                          ● Rated voltage Uo/U:450/750V.

                          ● 電纜導(dǎo)體的允許長(zhǎng)期高工作溫度:

                          Permissible Max.continuous operating temperature of conductor:

                          聚氯乙烯絕緣70℃;交聯(lián)聚乙烯絕緣90℃。

                          PVC insulated : 70℃; XLPE insulated : 90℃.

                          ● 短路時(shí)(長(zhǎng)持續(xù)時(shí)間不超過(guò)5S)電纜導(dǎo)體的高溫度不超過(guò):

                          Upon short circuit (Max.Duration time 5s) the Max. temperature of conductor not higher than:

                          交聯(lián)聚乙烯絕緣250℃;聚氯乙烯絕緣160℃。

                          XLPE insulated : 250℃ ; PVC insulated : 160℃.

                          ● 電纜敷設(shè)時(shí)環(huán)境溫度應(yīng)不低于0℃。

                          Ambient temperature of installation not less than 0℃.

                          ● 推薦的允許彎曲半徑: Prefered Permissible bending radium;

                          無(wú)鎧裝層的電纜,應(yīng)不小于電纜外徑的6倍;

                          For non-armoured cable, not less than 6 times of cable diameter;

                          無(wú)鎧裝或銅帶屏蔽結(jié)構(gòu)的電纜,應(yīng)不小于電纜外徑的12倍;

                          For armoured or copper-tape-screened cable, not less than 12 times of cable diameter;

                          有屏蔽層結(jié)構(gòu)的軟電纜,應(yīng)不小于電纜外徑的6倍。

                          For screened flexible cable, not less than 6 times of cable diameter.

                        jenniferweiyi@outlook.com 售后服務(wù)
                        電話(huà):0510-87904320
                        傳真:0510-87233666
                        客服時(shí)間:(9:00-18:00)