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MCP礦用采煤機(jī)電纜3*4+1*4價(jià)格 MCP礦用采煤機(jī)電纜3*4+1*4價(jià)格 automatic equipment and anti-interference needed circuit shielded wire and cable. 2、產(chǎn)品說(shuō)明: Product Description: ◆內(nèi)導(dǎo)體使用多支退火裸銅絞合◆聚氯絕緣◆多芯芯線絞合成纜◆外包鋁箔屏蔽◆銅線編織屏蔽◆聚氯護(hù)套◆額定電壓Uo/U為300/300V◆長(zhǎng)期允許工作溫度應(yīng)不超過(guò)70℃ ◆Multiple strands annealed bare copper lines twisted as internal conductor◆PVC insulated◆Core line with cores twisted into cable◆Aluminum shielded outside◆Copper line braid shielded◆PVC jacket◆Rated voltage Uo/U is 300/300V◆Keeping working temperature under 70℃ for long-range operation RS485通訊線2X0.5 2X0.75 2X1.0 2X1.5 RS485通訊線在一般采用雙絞線就可,但在要求較高的下要采用帶屏蔽層的雙絞電纜。使用RS485通訊線時(shí),對(duì)于特定的傳輸線路,主機(jī)(召測(cè)設(shè)備)到儀表的485口間的電纜長(zhǎng)度與數(shù)據(jù)傳輸?shù)牟ㄌ芈食煞幢龋贿@個(gè)長(zhǎng)度主要受的失以及噪聲的影響所影響。理論上RS485通信電纜的傳輸距離能達(dá)到1200米,但實(shí)際應(yīng)用中傳輸距離要小于1200米,具體長(zhǎng)度受周?chē)挠绊憽_|寧葫蘆島zr-rvvp電源線4*2*1.0優(yōu)質(zhì)的 RS485通信電纜特點(diǎn):RS-485通訊電纜特性阻抗為120歐姆,導(dǎo)體為2*24AWG多股絞合鍍錫銅絲,PE絕緣介質(zhì),由鋁箔/聚酯復(fù)合帶覆蓋+鍍錫銅絲90%覆覆2層屏蔽,附有接地導(dǎo)線,工業(yè)灰色PVC外護(hù)套。遼寧葫蘆島zr-rvvp電源線4*2*1.0優(yōu)質(zhì)的 、昭通BVR19根絲6平方接地線、茂名BVR多股1.5平方端子線、喀什BVR雙色1.5平方訂做光伏接地線、佛山BVR多股1.5平方鍍錫端子接地線