Integrated stranded railway signal cable implementation standard GB/ t2476-1993. Railway signal cables are suitable for transmission of railway control signals, audio signals or fixed cables for fixed installation in rated voltage ac 500V or dc 1000V or below. Product name, model, specification and scope: plastic insulation and PVC sheathed railway signal cable PTYAH; PTYA; PZYA; PTYV; PTYY,; PTY22; PTY23; (PZY02; PZY03; PZY23 PZY22) 1/0.8mm (1/1.0mm) 2-48 core is suitable for railway signal communication, fire alarm signal, telegraph and other automatic device systems with rated voltage ac 500V or dc 1000V or below. Polyethylene polythene insulation composite sheath steel tape armoured PVC sheathed railway signal cable PTYA23 PTYA22 PTY23 PTY22 PTYAH23 PZYA23 PZYA22 PZY23 PZY22 0.8 mm (1/1.0 mm) 4-61 core is fit for ac rated voltage 500 v or dc voltage 1000 v and below audio signal transmission and fixed installation of railway signal and group control automation assembly line, is of general automatic transmission railway signal, can also transmit frequency shift automatic block and business phone and other audio signal. 4, using features: cable in - 40 ℃ to + 50 ℃ environment use. Cable conductor long-term working temperature shall not exceed 70 ℃. Ordinary sheath of the cable laying under the environment temperature is not lower than 5 ℃, resistance to sheath for - 10 ℃. The bending radius shall not be less than 15 times of the outer diameter of the cable (when laying) and shall be applicable to any horizontal disturbance

Our company guarantees that the products can operate reliably and safely under the correct installation, normal operation and maintenance.
(配线用)HJVV、HJVVP、HPVV通信电缆介绍:用于配线架至交换机或交换机内部各级机器间连接等(包括农村电话局用),线路的始端和终端,供连接市内电话电缆至分线箱或配线架之用,内导体线径(mm ):0.40 、0.50 、0.60 、0.70 、0.80 、0.90 对数(对):5—1000 。
3、矿用控制电缆产品型号规格及范围:矿用控制电缆型号规格范围使用场合MKVV,MKVVP,MKVVP20.5-10mm2,2-61芯适用于弱电控制系统或强电磁场干扰区MKVV22,MKVV200.5-10mm2,4-61芯MKVV32,MKVV300.5-10mm2,7-61芯MKVVR0.5-6m。

耐火电缆产品说明产品特点及用途:本产品具有较高的耐火性能,经受火焰直接燃烧下,在一定的时间内不发生短路和短路故障,因此,在火灾发生时,有利于减少损失,低烟无卤型电缆属于环保电缆,尤其适用于对消防要求较高的电力、大型建筑、铁路、船舶等行业产品执行标准Q/HHTZH009.2耐火特性符合GB12666.。
平方毫米=10A。5平方毫米=16A或20A。4平方毫米=25A。6平方毫米=32A。10平方毫米=40A或50A。16平方毫米=63A。家庭配电选用什么型号的铜芯导线比较好这个问题;选用导线当然是选用有信誉的商户与有信誉的品牌国标铜芯导线。我个人认为;2.5平方毫米截面积以下(含2.5平方毫米截面积)适宜选用BVV型即双塑单根铜芯导线、4平方毫米截面积以上(含4平方毫米截面积)适宜选用双塑多芯铜芯导线,(说明;是选用7芯的而不是19芯的)。
二.产品标准:Q/SQL三.主要型号:JVV---聚氯乙烯绝缘及护套计算机电缆JVPV---聚氯乙烯绝缘及护套屏蔽计算机电缆JVV-NH---聚氯乙烯绝缘及护套耐寒计算机电缆JVPV-NH---聚氯乙烯绝缘及护套屏蔽耐寒计算机电缆JFV---氟塑料绝缘特种复合塑护套耐热计算机电缆JFVP---氟塑料。
矿用电力电缆具有以下列特性:(1)应能长期承受较高、甚至很高、极高的工作电压,电缆应具有非常优良的电气绝缘性能;(2)能传输很大的电流(几百甚至几千安培),为此电缆应有良好的热老化性(耐热性)和散热性;(3)电缆应有多种结构的护层以保护绝缘层,适应各种不同敷设环境(地下、水中、沟管隧道)的需要;(4。
ZR-BPYJVP交联聚乙烯绝缘聚氯乙烯护套铜丝编织屏蔽变频电力电缆。ZR-BPYJVP2交联聚乙烯绝缘聚氯乙烯护套铜带绕包屏蔽变频电力电缆。ZR-BPYJVPP2交联聚乙烯绝缘聚氯乙烯护套铜丝编织铜带绕包屏蔽变频电力电缆。

HYA23铜芯实心聚烯烃绝缘铝塑粘结综合扩套双层钢带绕包铠装聚乙烯护套市内通信电缆直埋。聚氯乙烯绝缘聚氯乙烯护套低频通信终端电缆。执行标准:GB/11327.3-1999。使用范围:产品适用于市内进局电话电缆从交换局地下进线室(槽道)连接到交换机总配线架上,同时也可用于电话网用户端的建筑物内配线和沿墙壁配线。
RVVZ cable, RVV cable, RVVP cable, ZRVVR cable, ZRYJVR cable VVP shielding cable implementation standard jb8734-1998 RVVP shielding cable product introduction: RVVP shielding cable, rated voltage 300V/300V. Some core from 2 to 24 core, according to the national standard color separation between more than two core twisted into line, direction of outer stranded for right-handed, soft rounded oxygen-free copper wire or tin plating oxygen-free copper wire shielding, widely used in instruments, meters, building intercom, monitoring, monitoring control installation. Implementation standard: jb87345-1998 product quantity long-term mass supply packaging specification 200 m/roll; 500 meters/anaerobic copper coil wire core material number 1 ~ 24 core sheath material PVC/PE wire 26 largest diameter (mm) nominal section 0.12 ~ 2.5 (was) RVVP RVVP shielded cable core: twisted into cable, insulated conductor (PP) RVVP winding and polyester film screened cable sheath: black/white PVC shielded cable USES: used in building automation control system, anti-theft alarm system, fire control system, three table from copying systems, communications, audio, sound system, meter, electronic equipment and automation devices such as anti jamming circuit connection.
电线电缆工业界中的聚氯乙烯(PVC)即是其中的一例,至今仍在护套和绝缘料中承担着主要角色。随着社会的进步和科学技术的飞速发展,PVC内在的弱点(燃烧时释放的大量烟雾,严重的腐蚀性气体和有毒气体)益发明显。
增量编码器又称为脉冲盘式编码器,增量式编码器是将位移转换成周期性的电信号,再把这个电信号转变成计数脉冲,用脉冲的个数表示位移的大小。增量编码器结构与工作原理增量式编码器通过判断B相位差,是超前还是落后90度,可以判断编码器的旋转方向。增量式编码器输出的脉冲信号一般连接计数器、pl计算机,连接方式有3种如下:单相连接,用于单方向计数,单方向计数的时候。B两相连接,用于正反计数、判断正反方向和测试速度;Z连接用于带参考位置测量。
(1)线芯线芯是电力电缆的导电部分,用来输送电能,是电力电缆的主要部分。(2)绝缘层绝缘层是将线芯与大地以及不同相的线芯间在电气上彼此隔离。(3)屏蔽层15KV及以上的电力电缆一般都有导体屏蔽层和绝缘屏蔽层,保证电能输送,是电力电缆结构中不可缺少的组成部分。
RVVP屏蔽电缆产品特点:1、用途:本产品适用于交流额定电压300/300V及以下电器、仪表、电子设备及自动化装置。一:产品特点及用途本产品具有耐寒、柔软、耐磨、防油等特性,适用于交流额定电压0.6/1KV及以下具有耐寒、防油等特殊要求的移动电器用连接电缆,目前本产品已广泛应用于冶金、电力、船舶、汽车制造等行业。

规格范围型号 芯数 标称截面(MM)BPYJVTP2-TK 3 1.5~240ZRBPYJVTP2-TK。
Main product models: HYA, HYAC, HYAT, HYAT53, HYA53; 1. Inner conductor line diameter (mm) of HYA (pipeline/overhead) : 0.40, 0.50, 0.60, 0.70, 0.80, 0.90 logarithms (yes) : 5-3000; 2. Inner conductor line diameter (mm) of HYAC (overhead) : 0.40, 0.50, 0.60, 0.63, 0.70, 0.80, 0.90 logarithms (yes) : 10-300; 3. Inner conductor line diameter (mm) of HYAT (waterproof) : 0.40, 0.50, 0.60, 0.63, 0.70, 0.80, 0.90 logarithms (yes) : 10-1600; 4. Inner conductor line diameter (mm) of HYA53/HYAT53 (anti-rat bite/direct embedding) : 0.40, 0.50, 0.60, 0.70, 0.80, 0.90 logarithms (right) : HYA5310 -- 2400 HYAT53 10-6.