Spin cassette XF5-273 communication cable transfer box, adopting advanced technology at home and abroad, in accordance with the international advanced standard production in the eighty s of cable wiring e, for the city, the town of telecommunication network backbone cable and wiring cable transfer. Features: 1. The connection jumper adopts rotary clamp-type connection and is sealed with silica gel on the metal clip, because it is not only reliable and durable, but also easy to operate and repair without stripping. 2. The wiring terminals in the handover box shall be arranged in 25 pairs as a basic unit, consistent with the basic units of the local telephone cables and marked with Numbers on the terminals to facilitate construction and maintenance. 3. The structure, arrangement and installation dimensions of the wiring modules are exactly the same as those of 3M products and can be used for each other. 4. The box body is treated by electrostatic spraying, beautiful and generous, with clear lines, good anti-corrosion and waterproof performance and long service life. Main technical parameters: the environment temperature: - 40 ℃ ~ + 65 ℃ atmospheric pressure: 70 ~ 106 kpa relative humidity: 95% or less is random ends and insulation resistance between terminals and ground > 5 x 104 Μ Ω. When connecting any two ends and any terminals and grounding to 1000V ac, there shall be no breakdown or flying arc in 1min. Contact resistance between wire and terminal < 5 x lO - 3 Ω.
ZR-BPGGPP2硅橡胶绝缘和护套铜丝编织铜带绕包屏蔽耐高温变频电力电缆。
ZR-BPGGP3硅橡胶绝缘和护套铝聚酯复合膜绕包屏蔽耐高温变频电力电缆。
ZR-BPGVFP硅橡胶绝缘丁腈护套铜丝编织屏蔽耐高温变频电力电缆。
Low smoke zero halogen flame retardant cable insulation using crosslinked poly (do not contain halogen, sheath used do not contain halogen polyethylene thin hydrocarbon material, so the set of all materials do not contain halogen, chung cable cable released when small amounts of smoke, it won't produce a strong acid mist, functioning, toxicity is small.
DJFFP氟塑料计算机电缆,DJFPFR氟塑料仪表电缆用于额定电压300/500V及以下有耐高温系统的信号传输及检测仪器连接氟塑料绝缘耐高温计算机仪表电缆氟塑料计算机电缆,氟塑料仪表电缆应用范围本产品用于额定电压300/500V及以下有耐高温、低温、耐酸碱腐蚀要求的电子计算机、监控网络、自动化控制系。
IA-DJVP2V2R IA-DJYP2V2R IA-DJYJP2V2R 本安型、本安型、铜塑复合膜分对屏蔽、总屏蔽软结构 。
IA-DJVP3VP3R IA-DJYP3VP3R IA-DJYJP3VP3R 本安型、本安型、铝塑复合膜分对屏蔽、总屏蔽软结构。
HB型步进电机的定子有槽，线圈为集中方式，为达到机械绕线的目的，绝缘构造也加以改进。
以图左为例，日本伺服(股份)公司用的槽绝缘插入绕线的定子，绕线如右图所示。
该方式如上左图所示，定子铁心厚度为电机厚度的1/2，用裙状绝缘材料插人槽中，铁心槽侧面全部被树脂覆盖,利用绕线机的梭子牵引线机械绕制，线圈一个端点固定在接线柱上，另一端连接固定后从引出线出口引出。
用此方法，电机定子与引出线部分可分开生产，便于部件标准化。
使用特性•工频额定电压U0/U:0.6/1kV。
单芯电缆不允许敷设在磁性管道中。
本产品适用于各种火灾危险较大，消防安全重要性较高场所的电气装备及控制系统作连接线。
一、产品特点及用途耐高温防火控制电缆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断路故障，在火灾发生时，有利于减少损失。
RVVP、KVVP这类的线材，有屏蔽网，但其PVC绝缘的介质损耗实在让人无法忍受，更难实现高速远距离传输。
当高速、远距离通信，或者处于干扰恶劣的工业环境下，选择传输介质就显得十分重。
采用阻抗相匹配的RS485电缆有利于降低信号的回波反射；其双绞对称、多重隔离屏蔽等独特的结构，通过正确的接地，提高了信道的抗干扰性能；其高频低衰减的特性，可实现信号长线传输距离最大化。
三、产品结构:四、低烟无卤电缆产品表示方法1、低烟无卤电缆的型号由燃烧特性代号和电缆型号两部分组成燃烧特性代号名称代号阻燃A级ZA阻燃B级ZB阻燃C级ZC阻燃D级ZD耐火N无卤低烟WD用途代号名称代号电力省略控制K布线B材料代号名称代号铜导体省略交联聚乙烯绝缘YJ聚稀。
在一定条件下可用于传输2048kbit/s以上的数字信号。
适用于城市、近郊及厂矿局部区域的电信线路中，电缆的工作环境温度为-30～+60℃，敷设环境温度不低于-5℃。
用途本产品是为市内通信网而设计的市内通信电缆，主要用于传输音频、150KHz及以下的模似信号和2048kbit/s及以下的数字信号。
Specification range of frequency conversion cables; 1, some conclusions: 3 core nominal section (1.5 ~ 240 ㎜ 2). 2, some conclusions: 6 core (3 + 3) nominal section (thread core section: 2.5-240 ㎜ 2, line core section: 0.5 ㎜ 35 (2). Example: copper 0.6/1 kv crosslinked polyethylene insulated copper wire braided shielding, polyvinyl chloride sheathed flame-retardant the main loop of the inverter with cable, 3 x 185 + 3 x 35 was expressed as: BPYJVP - 0.6/1 kv 3 x 185 + 3 x 35 note: detailed technical parameters of ball I on cable company LTD.
1、产品名称：自承式控制电缆KVVRC行车控制电缆2、型号：KVVRC、KVVPRC、KVVP2RC、KVVRPRC3、产品说明：型号名称KVVRC自承式铜芯聚氯乙烯绝缘聚氯乙烯护套行车控制电缆KVVPRC自承式铜芯聚氯乙烯绝缘聚氯乙烯护套编织屏蔽行车专用电缆KVVP2RC自承式铜芯聚氯乙烯绝缘聚氯。
，所示电路，按瞬时极性法判断。
设同相输入端u+有一瞬时增量，则输出uo为，经电阻Rf返送至反相输入端，使u-为，即反馈信号的瞬时极性为。
通过比较反馈信号与输入信号的瞬时极性来判断电路引入的是正反馈还是负反馈。
当输入信号和反馈信号不在同一节点引入(其中一个节点为基极,另一个节点为发射极，或不同输入端)))如差动放大电路、集成运算放大电路等)时,若两者的瞬时极性相同，则为负反馈；两者的瞬时极性则为正反馈。
Temperature (25 ℃) 20 to 30 to 35 40 to 45
Flame-retardant audio cable; ZC manufacuring HYA, ZC HYAC, ZC - HYAT, ZC - HYA53, ZC HYAT53, ZC HYV, ZC - HYA23, ZC - HYAT23, ZC HYA22, ZC HYAT22 product description: our factory produced communication cable is suitable for the fixed overhead laying or buried in the city ZR - manufacuring HYA: copper solid tidal polyolefin insulation layer of flame retardant polyethylene sheath duct ZC - HYAT: Copper solid tidal level flame retardant polyolefin insulated filled type PE sheathed in communication cable ZC - edge tidal layer PE sheathed gangsu belt sheathed flame-retardant PE sheathed in communication cable ZC - HYAT53: copper solid polyolefin insulated filled type HYAC: copper solid polyolefin insulation messenger tidal level flame retardant polyethylene sheath duct ZC - HYA53: copper solid polyolefin unique tidal layer PE sheathed gangsu belt sheathed flame-retardant PE sheath duct ZC - HYA22: Copper solid tidal polyolefin insulation layer polyethylene sheath steel tape armoured flame retardant PVC sheathed in communication cable ZC - HYA23: copper solid tidal polyolefin insulation layer polyethylene sheath steel tape armoured flame retardant polyethylene sheath duct ZC - HYAT22: copper solid polyolefin insulation filling type tidal layer polyethylene sheath steel tape armoured flame retardant PVC sheathed in communication cable ZC - HYAT23: copper solid polyolefin insulated filled type tidal layer PE sheath steel tape armoured flame retardant PE sheathed communication cable in the city