ZR-BVR1X10线缆港闸近期行情直销铠装视频线SYV53-75-5每米格忻悦
This product is suitable for electronic computers with rated voltage of 500V or below, and cables for automatic connection, which have high re for protection. The k-type B low-density polymer with anti-oxidation property is adopted for the insulation of cable ground core. High insulation resistance, good voltage resistance, low dielectric coefficient and low dielectric loss temperature and variation of the medium can not only meet the re of transmission performance, but also ensure the service life of the cable. ? The cable is shielded for cross - circuit interference and external. The shielding re of cables are respectively adopted according to different conditions: the total shielding of the hinged cable, the total shielding of the hinged cable, and the total shielding of the hinged cable after the hinged cable is shielded. Shielding materials are round copper wire, copper belt, aluminum belt/plastic composite belt three. The insulating property of shielding pair and shielding pair. The transmission of the cable will not be affected if there is potential difference between shielding pair and shielding pair in use.
二、产品执行标准企业标准等效采用英国BS5308标准三、使用特性1．交流额定电压U0/U：300/500V2．电缆最高工作温度：聚乙烯绝缘70℃交联聚乙烯绝缘90℃无卤低烟阻燃聚烯烃70℃无卤低烟阻燃交联聚烯烃90℃和125℃两种3．最低环境温度：固定敷设-40℃；非固定敷设-15℃4．安装敷设温度。
3×4.0、4×4.0、5×4.0、7×4.0。3×6.0、4×6.0、5×6.0、7×6.0。3×10.0、4×10.0、5×10.0。3×16.0、4×16.0、5×16.0。4×25.0、5×25.0。
5.耐火特性：符合IEC331规定符合GB12666.6规定火焰温度750℃火焰温度950℃-1000℃火焰温度750℃-800℃燃烧时间3h燃烧时间90min燃烧时间90min冷却时间21h附加电压额定电压附加电压额定电压附加电压额定电压附加电流3A附加电流3A附加电流3AA类B类6.敷设推荐的允。
Telephone line -HPV HYV HPVV HVV HVV HVV 4*0.5 4*0.4 4*0.6 4*0.7 4*0.8 4*0.9 4*1.0 4*1.2 4*1.5 HPV HYV HPVV HVV HVV 4*0.5 4*0.4 4*0.4 *0.6 4*0.7 4*0.8 4*0.9 4*1.0 4*1.2 4*1.5 and other series of municipal communication cables: YD/Tmanufacuring hya HYAT duct (widely used in metropolitan area network, in the construction of communication network is given priority to with overhead and pipe installation, main transmission audio signal) HYAT filling type communication cable (used in metropolitan area network, in the construction of communication network is given priority to with pipe installation, have water-blocking effect, without charging protection, main transmission audio signal) HYAC messenger communication cable (used in metropolitan area network communication network construction, aerial installation, construction is convenient, Main transmission audio signal) HYAT53 filling type armoured cable (used in metropolitan area network communication network construction in complex environment, directly buried underground, water resistance, the rat bite, without charging protection, main transmission audio signal) the first branch factory of tianjin cable factory specializing in the production of research and development; Mining signal cables; Communications cables for coal mines; Coal mine control cables; Coal mine signal cables; Mining monitoring cables; Monitoring cables for mining; Telemetry cable for mine; Mine monitoring lines; Mine monitoring line; Mining telephone cables; Mine explosion-proof cable; Mining cables; Mine fire retardant cable; Sensor cable; All the products have the certificate of "coal safety sign" and have complete specifications. The products are widely used in various coal mine systems and coal mine monitoring systems. Sales to coal companies and mining groups throughout the country; And become a number of mining e companies supporting products, established long-term cooperation relations, products have been users praise and trust!
位置控制接线图根据接线图我们可以看出，伺服的功能强大，拥有很多引脚，很多功能。但是我们可以根据自己的需求，只接其中的部分引脚即可。（其中7号引脚需接12~24v，41号引脚和29号引脚短接到0v，必须要接的）然后如果我们用plc对伺服进行控制，若是我们接的3,4,5,6号引脚，则我们需要将3号和5号引脚短接到24v，4号和6号引脚串接2KΩ的电阻后分别接到PLC的脉冲输出和方向输出端子上。如果我们用的是1，4，2，6号引脚，则我们不需要串电阻即可。
The sequence table of 200 pairs of communication cables (log-log cables) shows that there are 4 kinds of marking lines in 100 pairs of communication cables. The first 25 pairs are wrapped with the marking line of "bailan". The second 25 pairs are wrapped in "white orange" lines! The third 25 pairs are wrapped in "white and green" lines! The fourth 25 pairs are wrapped in "white brown" lines! The fifth 25 pairs are wrapped in a "white grey" logo line! The sixth 25 pairs are wrapped in a "red orchid" logo line! The seventh of the 25 pairs is wrapped in a red orange logo line! The eighth 25 pairs are wrapped in "red and green" lines! Manufacuring HYA; HYA22; HYA23; HYA53; ZRC - manufacuring HYA; ZRC - HYA53HYAT; HYAT23; HYAT53; HYAT22; HYYT; ZRC - HYAT; WDZ - HYAT; ZR - HYAT53; ;
电力电缆产品说明本厂生产的聚氯乙烯绝缘电力电缆采用IEC标准，适用于3.6/6KV及以下输配电系统，近年来又开发了阻燃电缆、耐火电缆、低烟无卢电缆及五芯系列电力电缆。执行标准:GB/T等效采用IEC502),阻燃电缆、耐火电缆还符合IE332-3,IEC331,亦可按用户所需的技术需求生产。
1) production time: the goods will be delivered on the same day as soon as they are available in stock, and the to be customized shall be determined. 2) sales discount: large is preferred. 3). Sales volume: teleconference. 4) delivery standard: the freight charge shall be borne by the seller. The arrival time is generally 3 days. If it is true that the products are not in conformity with the re of the contract due to product problems or the products provided by our company, we agree to the buyer to change the goods or reject the products and return the goods.
6、有屏蔽结构的软电缆，应不小于电缆外径的6倍。本产品适用于额定电压交流500V或直流1000V及以下传输铁路信号、音频信号或自动信号装置的控制电路，其中综合护套、铝护套铁路信号电缆具有一定的屏蔽性能，适宜于电气化区段或其它有强电干扰的地区敷设。
3、规模增长过猛目前，电线电缆行业总体能力大于需求一倍以上，各大类产品2000年的预测需求数均小于目前生产能力。编辑本段矿用电缆价格计算公式矿用电缆系列价格公式如下：铜的重量X铜价计算：丝经÷2=1.25X1.25X3.14=平方数X丝的根数X0.89X当时铜价+10%的加工费。
计算机屏蔽控制电缆一、产品特点及用途：用于连接电子计算机外围设备至生产现场，以及各种电器、仪表、自动装置等需要的屏蔽控制电缆。2.基本型号绝缘及护套材料还有YJ无卤低烟阻燃交联聚烯烃。金属屏蔽电力电缆适用于额定电压0．6／lkV及以下的电力线路中作输送电能用。
二极管从正向导通到截止有一个反向恢复过程在上图所示的硅二极管电路中加入一个如下图所示的输入电压。在0―t1时间内，输入为+VF，二极管导通，电路中有电流流通。设VD为二极管正向压降（硅管为0.7V左右），当VF远大于VD时，VD可略去不计，则在t1时，V1突然从+VF变为-VR。在理想情况下，二极管将立刻转为截止，电路中应只有很小的反向电流。但实际情况是，二极管并不立刻截止，而是先由正向的IF变到一个很大的反向电流IR=VR／RL，这个电流维持一段时间tS后才开始逐渐下降，再经过tt后，下降到一个很小的数值0.1IR，这时二极管才进人反向截止状态，如下图所示。
6 kv and above cable joint: (1) installing a cable terminal head, must be stripped semiconductor electric shielding layer, operation shall not damage the insulation, should avoid mark uneven situation, when necessary use sand paper to grind; The shield end should be flat and the graphite layer (carbon particles) should be clean. (2) plastic cable end copper tape screened and armor must be good grounding, the short circuit also follow this principle, avoid unbalanced three-phase run ShiGang armoured end produce inductive electromotive force, and even "lighter" and sheath and other accidents. It is required to use my tinplate to braid copper wire for grounding lead. When connecting with the cable copper belt, it should be welded with chromium-iron tin. The shield of three-phase copper tape should be connected with ground wire respectively. Note that the shielded ground wire and steel armor ground wire should be separately drawn out and insulated from each other. The position of the welded ground wire should be as low as possible.
ZR-VV42ZR-VLV42聚氯乙烯绝缘粗钢丝铠装聚氯乙烯 敷设在竖井，水下等垂 护套阻燃电力电缆 直场合，能承受相当的 。
各种型号的产品名称如下：KVVP 铜芯聚氯乙烯绝缘和护套编织屏蔽控制电缆ZR-KVVP 铜芯聚氯乙烯绝缘和护套编织屏蔽阻燃控制电缆KVVP22 铜芯聚氯乙烯绝缘和护套钢带铠装控制电缆ZR-KVVP22 铜芯聚氯乙烯绝缘和护套钢带铠装阻燃控制电缆KVVRP 。
例如：①煤矿用铜芯聚乙烯绝缘聚氯乙烯护套通信电缆，2芯1.5mm2(1/1.38)或7芯0.75mm2(7/0.37)，适用于固定场合使用和2对1.5mm2(48/0.2)，适用于移动场合使用，表示为：MHYV1x2x1.5(1/1.38)或MHYV1x7x0.75(7/0.37)或MHYV1x7x。