该页无缩略图
LinkBox
Linkboxwithout/withSVL,Crossbondinglinkbox
Application
Toprotect thehigh voltage line fromtheovervoltage induced bylightning,faultcurrentand switchingoperations,especially theterminationand joint point byconnectingtocablemetal sheath.
Design
?Fortermination,joint
304#/316#Stainlesssteelshell
Epoxy/AirInsulated
Smallsize,lightweight,good sealing
Easyforinstallation
Different surgevoltage limiterare optional
| Description | Link boxwithoutSVL | Link box with SVL | Cross bonding link box |
| Model | ZJDThreephase,single core cable ZJD-DKiepaseixways | ZJDB Three phase,single core cable ZJDB-I/epasesixays | FCDThree phase,coaxial cable FCD-LThree phase,six ways |
| Material | IP68 | IP68 | IP68 |
| Protectionclass | Stainlesssteel | Stainlesssteel | Stainless steel |
| Voltagerange(kV) | 10-500 | 10-500 | 10-500 |
| SVL | With | With,3SVL/6SVLS | With,3SVL/6SVL |
| Dimensions | ZJD:480×377×228 ZJD-I1:：595×531427 ZJD-DK:460×380×278 | ZJDB:480×377×268 ZJDB-1:595x531×327 ZJDB-DK:460×380×278 | FCD-L:5519 |
| SVLModel | FBY-4 | FBY-6 | FBY-12 |
OIL-IMMERSEDDISTRIBUTIONTRANSFORMER
の@图
Power Low-Carbon BicciyEowSmrPuw
OVERVIEW
1、经济性能好：空载电流平均下降60%\~80%，空载损耗平均下降25%\~35%。
2、使用寿命长：变压器油箱采用全密封结构，油箱与箱沿可用螺栓连接或焊接，变压器油不与空气接触，延长了使用寿命。
3、运行可靠性高：油箱密封有关零部件进行改进，增加了可靠性，提高工艺水平以保证密封的可靠性。
4、占地面积小：变压器油箱采用波纹板式散热器，当油温变化时波纹板热胀冷缩可取代储油柜的作用，波纹板式油箱外形美观，占地面积小。
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2stinloldlnotcomeintocontactwiththeair,extendingtheservicelife.
3Highpatielempdeeimpereliabilty of the seal.
4SmalfootpitsiladotsedaoiepuesoaedaeaexsioadcontractincanreplacetheroleoftheoilconsevatorTecorugatedplateoiltankhasabeautifulappearanceandasmafootprint
| 额定容量 Rated | Rated压分pingrange | 联结组别 Vector group | 空我电流 No load current | 阻抗电压 Impedance voltage | 空载捉耗 No load losses | 负载损耗 Onload losses | ||
| 高压HV | 分接范围（%） Tappingrange | 低压LV | ||||||
| capacity 3150 | 35-38.5 | +2×55 | 35310 | Yd11 | 0.36 | 7.0 | 1.7 | 20.7 |
| 0.36 | ||||||||
| 5000 | 22 | 22 | ||||||
| 6300 | 2.9 | 315 | ||||||
| B000 | 0.36 0.28 | 4.0 | 34.6 | |||||
| ±2×2.5 | 33 63 6.6 10.5 | YNd11 | 0.24 | 8.0 | 455 | 40.8 | ||
| 12000 | ||||||||
| 16000 | 0.24 | 6.7 | 59.2 | |||||
| 2000 | 0.24 | 7.9 | 71.6 | |||||
| 25000 | 0.20 | 10.0 | 9.4 | 846 | ||||
| 31500 | 0.20 | 11.1 | 100.8 | |||||
| 额定容量 Rated | Ratedo压分ingrange | 联结组别 Vector group | 空载电流 | 阻抗电压 Impedance voltage | No load losses | 负载 On load losses | ||
| 高压HV | 分接范围（%） Tappingrange | 低压LV | No load current | |||||
| capacity 3150 4000 | 35-38.5 | ±3×2.5 | 0.40 | 7.0 | 18 | 222 | ||
| 6.3 Yd11 | 0.40 | 2.1 | 262 | |||||
| 10.5 | 0.40 | 2.6 | 30.8 | |||||
| 500J 6300 | 6.3 6.6 | YNd11 | 0.40 D.32 | 7.5或 | 3.1 4.3 | 33.0 36.5 | ||
| 8000 | 5.1 | 432 | ||||||
| 10000 | 0.32 | |||||||
| 12500 | 0.28 | 80 | 6.0 | 51.1 | ||||
| 16000 | 0.28 | 7.2 | 63.3 | |||||
| 20000 | 028 | 85 | 744 | |||||
| 25000 | 0.24 | 10.0 | 100 | 184.0 | ||||
| 额定容量 RatedVapacity | Rated分pingrange | 联结组别 | 空载电流 Nuroad | 阳抗电压 Impedance | 空载 No oad | （kW） | |||||
| 高压HV | p图(%) | 低压LV Vector | Dyn11/Yzn11 | Yyno | |||||||
| 30 | .0.4 | 120 1.04 | 65 | 455 | 430 | ||||||
| 50 | 6 10 10.5 | =2×2.5 15 | 80 | 655 | 625 | ||||||
| 63 | 0.46 | 90 | 785 | 745 | |||||||
| R0 | 0.96 | 105 | 945 | 900 | |||||||
| 100 | 0.88 | 120 | 1140 | OB0 | |||||||
| 125 | 0.82 | 135 | 1360 | 295 | |||||||
| 160 | 0.80 | 160 | 1665 | 585 | |||||||
| 200 | 80 | 190 | 1970 | 870 | |||||||
| 0.72 | 230 | 2.300 | 2 | ||||||||
| 255 | |||||||||||
| 330 | 3250 | 3095 | |||||||||
| 400 | 0.64 | 385 | 3900 | 3710 | |||||||
| 500 | 0.64 | 460 | 4460 | ||||||||
| 630 800 | 0.48 0.48 | 4.5 | 560 | 5400 | |||||||
| 1000 | 0.48 | 7415 | |||||||||
| 1250 | 040 | 665 780 | 8640 | ||||||||
| 600 | 0.40 | 940 | 10440 | ||||||||
| 2000 | 0.32 | 5.0 | |||||||||
| 1066 | 1320 | ||||||||||
| V | 0.80 | |||||||
| 200 | 6 6.3 10 10.5 | ±4*2.5 | Dyn11 | 0.31 0.35 | 2.90 | |||
| 250 | 0.72 072 | 3.42 | ||||||
| 315 | ∠0 | 043 | 410 | |||||
| 400 | 0.64 | 0.51 | 4.95 | |||||
| 500 | 0.64 | 0.61 | 5.89 | |||||
| 630 | 0.48 | 0.77 | 7.26 | |||||
| 800 | 0.90 | 8.89 | ||||||
| 1000 | 0.48 0.48 | 4.5 | 1.09 | 10.4 | ||||
| 1250 | 0.40 | 125 | 12.3 | |||||
| 1600 | 0.40 | 1.54 | 14.7 | |||||
| 2000 | 0.32 | 1.82 | 186 | |||||
| 2500 | 0.32 | 5.0 | 2.14 | 21.6 | ||||
金の园
Power Low Carbon Eectcity Empower SmartPowe
OVERVIEW
该产品是全充油密封型。原理同密封型电力变压器。非晶合金的基础元素是铁、镍、钴、硼、碳等组成。是一种向同性的软磁材料，磁化功率小，不存在阻碍畴壁移动的结构缺陷。
ThisproductisfulyodseaedtyTsestafeadeasfossitsaml ped hinder the movement of domain walls.
PERFORMANCEADVANTAGE
1、低损耗：非晶合金材料的磁化性能优于传统硅钢片，空载损耗降低60%\~80%，显著减少电网“待机能耗”。
2、高能效：由于损耗降低，减少了发电需求，相应地也减少了二氧化碳等温室气体的排放，具有良好的环保效益，符合节能减排的要求。
3、温度稳定性强：非晶合金在宽温度范围内保持稳定磁性能，适应复杂工况。
1lowlosmgeipefoafsatealiseeaafadscd by60%to8o%,significantlyreducing the"standbyenergyconsumption”of thepowergrid.
2.hignergyefiincyduetotductiofodcendfoweneatioespodigldetmissisfs gasessuchascarbondioxide,witgodevironentalbenefitsininewiththrequirementsofenergyconservationandemissineduction
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NEWENERGYTRANSFORMER
8
Power Low-Carbon Eectncity Empower SmartPower
OVERVIEW
新能源变电站是专为新能源发电系统设计的电力转换和配电设备，主要用于将新能源发电系统产生的低压交流电转换为中压或高压交流电，并将电能馈入国家电网。它广泛应用于石油、化工、钻井平台、城区、农村等10\~110kV中小型变（配）电所、厂矿及流动作业用变电所的建设与改造。本产品具有智能化、节能环保、优良电气性能、创新性结构设计等特点。
Thnewegbiiwtiielliteic manlsedtotaeaietaedbheogeaieitgee ateatitddeldid mdud reses tive structural design.
| 额定容量 | Rated压ppngrange | 联结组别 group | 空载电流 | 阳抗电压 Impedance | 空载耗 Nos oad | 负载 On loed | |||
| Rateity | 高压HV | T范% | 低压LV | Nurroad | |||||
| 1000 | 35-38.5 | ↓2×2.5 | 0.4-1.14 | 0.52 | 6.0-14.0 | 0.6 | 10.4 | ||
| 1250 | 0.44 | 0.8 | 12.5 | ||||||
| 1600 | 0.36 | 0.9 | 149 | ||||||
| 2000 | 0.36 0.36 | 1.2 | 16.5 | ||||||
| 2500 | 1.4 | 17.6 | |||||||
| 3000 | Dy11 0.36 Yd11 | 1.6 | 20.3 | ||||||
| 3150 | 0.36 | 1.7 | 20.7 | ||||||
| 4000 | 0.36 | 2.0 | 24.6 | ||||||
| 4500 | 0.36 | 2.2 | 27 | ||||||
| 5000 | 0.36 | 2.4 | 28.2 | ||||||
| 5500 | 0.36 | 2.6 | 30.3 | ||||||
| 6300 | 0.36 | 2.9 | 31.5 | ||||||
| 8000 | 0.28 YNd11 | 4.0 | 34.6 | ||||||
| 10000 | 0.28 | 48 | 40.8 | ||||||
| 12500 | 0.24 | 5.6 | 50.7 | ||||||
| 额定容量 | 额定电压及分接范围 | 空载电流 | 阻抗电压 Impetance | 空载损耗 | 负载损耗 | |||
| 500 | 10-12 | ±2×2.5 ±5 | 0.4-1.14 | Dy11 Yd11 | 0.64 | 4.0-8.0 | 0.385 | 39 |
| 630 | 0.48 | 0.46 | 4.46 | |||||
| 800 | 0.48 | 0.56 | 5.4 | |||||
| 1000 | 0.48 | 0.665 | 7.415 | |||||
| 1250 | 0.4 | 0.78 | 8.64 | |||||
| 1600 | 0.32 | 0.94 | 10.44 | |||||
| 2000 | 0.32 | 1.085 | 13.18 | |||||
| 2500 | 0.32 | 1.28 | 1527 | |||||
| 3000 | 0.32 | 1,547 | 16.797 | |||||
| 3750 | 0.32 | 1.606 | 17.978 | |||||
PREFABRICATEDCABINSUBSTATION
OVERVIEW
预制式模块化变电站通常采用“整站”设备预制的模式，即将高压开关配电装置、变压器、中压开关配电装置、补偿装置、综合自动化系统、交直流电源系统、环境控制系统和舱体进行集成化设计，所有站用设备在工厂内预制安装完毕，调试合格后，分模块运输到现场对接、安装、调试即可投运。
预制式模块化变电站充分发挥“提高建设效率、节省建筑占地、节约运维成本、降低能耗、降低污染”等方面的显著优势，在电力、石油、化工、船舶、通讯、民用建筑、铁路建设领域得到了广泛应用，同时，随着站内电力设备技术的成熟及发展，变电站设备将越来越趋于小型化和高可靠性，将进一步提升预制式模块化变电站的可靠性和适用性，在新基建领域也必将有广阔的应用前景。
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金8
Power Low-Carbon Eectncty Empower SmartPowe
OVERVIEW
逆变升压一体机是一种集成逆变器与升压变压器功能的电力设备，主要用于将直流电转换为高压交流电，以满足电网接入或大功率用电需求。其具备高效转换、集成化设计、智能控制、宽输入电压范围、高可靠性与环保性等核心特性，可应用于可再生能源领域和工业与电力系统等场景，逆变升压一体机作为可再生能源系统的核心设备，凭借高效、集成、智能等优势，在光伏、风电、储能等领域发挥关键作用，未来将向更大容量、更高可靠性及多场景适配方向演进
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THREE-PHASEPAD-MOUNTEDTRANSFORMER
金图
PowerLow-Carbon EecnotyEmpowerSmartPowr
OVERVIEW
三相美式箱变是适用于公用事业、商业或工业应用的紧凑型电力中心，旨在承受多种类型的环境。产品具有紧凑小型化、全绝缘设计、密封性能好、防腐能力强、组合灵活等结构特点，这些变压器可以位于建筑物外部或内部，以提供节能且更安全的解决方案。流体填充变压器有多种配置可供选择，并且可以与多种配件搭配使用，以满足最基本和最复杂的规格。三相美式箱变以其独特的优势在多个领域得到了广泛应用。
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| 额定容量（kVA） Rated capacity | 高压HV | 低压LV | 效率Efficiency | |
| DOE(2016) | CSA(2023) | |||
| 225 | 9923 | 99.17 | ||
| 300 | 9927 | 99.21 | ||
| 500 | 99.35 | 99.30 | ||
| 750 1000 | 99.40 | 99.35 | ||
| 1500 | 99.43 99.68 | 99.38 | ||
| 99.44 | ||||
| 2000 | 99.51 | 99.47 | ||
| 2500 | 99.53 | 99.49 | ||
SINGLE-PHASEPAD-MOUNTEDTRANSFORMER
图
Power Low-Carbon Electricity EmpowerSmat Powe
OVERVIEW
单相美式箱变额定容量为15-250kVA。单相美式箱变一般用于民用需要单相电源的地方，如家用电器等，其容量相对三相美式箱变要小。
Thesingle-phasepad-mountedtransformerisratedat15-250kVASingle-phasepad-mountedtransformerisgenerallusedinplaceswhere singlepsepowrplsdfciecsuseodaesetcdisapcitslntatfteedont edtransformers.
| 额定容量（kVA） | 高压HV | 低压LV | 效率Efficiency | |
| Rated capacity | DOE(2016) | CSA(2023) | ||
| 15 | 34.5kV/19.92kV 13.8kV/7.96kV 13.2kV/7.62kV 12.47kV/7.20kV or others | 120-240V 240-480V 347V 600V orothers | 98.82 | 99.73 |
| 25 37.5 | 98.95 | 98.87 | ||
| 50 | 99.05 99.11 | 98.97 | ||
| 75 | 99.19 | 99.04 99.13 | ||
| 100 | 99.25 | |||
| 16/ | 99.19 | |||
| 99.33 | 99.28 | |||
Single-phasetransformermountedonapole--CsPType2HVShell
General
Ourfullyself ingdistributiontransformerisdesignedtosupplyelectricitytolightingsystems, agriculturalproductionfacilities,andindustrialoperationsinruralareas,remoteregions,andscatred villages.Itisalsosuitablefordistributionlinesinstaledonrailwaypolesandurbanpower grids.The transformerisequippedwithhigh-voltagefuses,high-votageovervoltagedischargedevices,low-voltage switches(withoverloadlight indicators),andhigh-qualitylow-voltageovervoltagedischargedevices, providingprotectionagainstshortcircuits,lightningstrikes,andatmosphericelectricaldischarges.
Standards
IEEE&ANSIC57.12.00,IEEE&ANSIC57.12.00,IEEE&ANSIC57.12.90,ANSIC62.11
Technical specificationfortheCSPseries
| Model | Capaity | AT(V) | Switch | BT(V) | Perdida (w) | Dimension (mm) | Wcight(kg) | |||||||
| Sin Loss Losdcharge | Loss Charge load Complete | A B | C | D | E | Oil weight | Content Ofoil Liters | Total peso | ||||||
| DL1225/7.2 -0.24-20% | 25 | 124700 | -20% | 120/240V | 100 | 300 | 1030 | 530 | 605 | 410 | 286 | 48 | 53 | 186 |
| 21237,.57. 37.5 | 113 | 413 | 1110 | 580 655 | 410 | 286 | 62 | 69 | 258 | |||||
| DI.12-50/7.2 -0.24-20% 50 | 150 | 500 | 1185 | 580 | 655 | 460 | 286 | 63 | 70 | 302 | ||||
| DL12-25/7. 2-0.24-10% | 25 | 120/240V | 100 300 | 1030 | 530 | 605 | 410 | 286 | 48 | 53 | 186 | |||
| 2-1.237,5/7. 37.5 | 12470Y/ | -10% | 113 | 413 | 1110 | 580 | 655 | 410 | 286 | 62 | 69 | 258 | ||
| 1L.12-50/7.2- 0.24-10% 50 | 150 | 500 | 1185 | 580 | 655 | 460 | 286 63 | 70 | 302 | |||||
eaforementionedparametersrepresentypicaldesigndataforreferencepurposes;customizeddesignsarealsoavailabl
Specification
KVArating:10kVAto333KVA
Nominalvoltage:AT12470/7200V,BT120-240V
Refrigerationtype:ONAN
Basiclevelofprimaryinsulation:95kV,Level Secondary isolationbase: 3 0 \mathsf { k V }
Features
1.TheCSPseriestransformerisconstructed withahigh-effciencysiliconcore,aluminumwindingsandnoPCB (PrintedCircuitBoard).Itfeaturesahigh-voltageporcelainbushingontheprimarysideandthreelow-voltage bushings on thesecondary side,alongwith two lifting lugs.
Tofullyliftthetransformer,usetwostandardANSlsupports,apressurereliefvalve,andgroundingterminals.
2.TheCSPseriestransformerisequippedwithaprimary fuse,ahigh-voltageovervoltagedischargedevice for heavy-dutyapplications,alow-voltageovervoltagedischargedeviceforlight-dutyapplications,andasecondary automaticswitch,providingprotectionagainst shortcircuits,lightning strikes,andelectrical storms.
O
FigureA:Secondaryautomaticswitchwithanoverload indicationlight FigureB:Fusibleprincipal FigureC:Pararrayosprincipaldealtaresistencia
Type1:Nominalvoltageof9kV,MCOVof 7 . 6 5 \ \mathsf { k V } heavy-dutyservice,10kA,polymerictype Type2:fornominalvoltage of 1 0 k V MCOVof 8 . 4 1 x V heavy-dutyservice, 1 0 k A polymeric type. FigureD:Secondaryovervoltagedischargedevice:nominalvoltage240V5kA,forlightdutyusepolymetricaltype
Single-phase pole-mounted transformer-CsPtype withasecondary cable cabinet
General
Ourfullself-protectiondistributiontransformerisdesignedtosupplyelectricitytolightningprotectionsystems, agriculturaloperations,andindustrialfacilitesinruralareas,remoteregions,andscatteredvillages.Itisalso suitablefordistributionlinesinstalldonrailwaypolesandurbanpowergrids.Thetransformerisequippedwithhighvoltagefuses,high-voltageovervoltagedischargedevices,low-voltagecircuitbreakers(withoverloadindicator lights)andhigh-qualitylow-voltageovervoltagedischargedevices,providingprotectionagainstshortcircuits, lightningstrikes,andatmosphericdischarges.
Theseriesincludesasecondaryconnectionboxtopreventelectricitytheft.
Standards
IEEE&ANSIC57.12.00,IEEE&ANSIC57.12.90,ANSIC62.11,ASTMD3487
Technical specification forthe CsP series,includinga secondary cable box
| Customer | Capaitiy | AT (V) | Switch | BT(V) | Loss (W) | Dimension(mm) | Wcight (kg) | |||||||
| Lossng | A | B | C | Oilwei- | Totml peso | |||||||||
| 0L12-1072- | 10 | 520/240 | 40 | 150 | 1040 | 515 | 745 | 380 | 286 | 42 | 47 | 169 | ||
| 15 | 60 | 180 | 1050 | 535 | 775 | 410 | 286 | 49 | 54 | 199 | ||||
| DL121517.2 0.12-2517.2- 25 | 124700 +1/-3*2.5% | 100 | 300 | 1040 | 535 | 775 | 410 | 286 | 49 | 54 | 208 | |||
| 0L12-7.572 37.5 | 113 | 413 | 1100 | 605 | 835 | 460 | 286 | 60 | 67 | 276 | ||||
| 150 | 500 | 1185 | 605 | 835 | 460 | 286 | 62 | 69 | 323 | |||||
| 0.12-50/72 0.12-75/7.2- | 50 75 | 225 | 750 | 1280 | 640 | 880 | 496 | 591 | 88 | 98 | 405 | |||
Theaforementionedparametersrepresentypicaldesigndataforreferencepurposes.Customizeddesignsarealsoavalable
Specification
KVArating:10kVAto333KVA
Nominalvoltage:AT12470/7200V,BT240-120V
Refrigerationtype:ONAN
Monophasic-Hertz:60
Tomas:± 2 ^ { \ast } 2 . 5 % 0 +1/-3\*2.5%(ATside)Basic primaryinsulation
level:95kV;Basicinsulationlevel
Secondary:30kV
Characteristics
1.TheCSPseriestransformerfeaturesahigh-eficiencysiliconcore，aluminumwinding，andisPCB-freeand mineral-oil-filed.Itincludes:1high-voltageporcelainbushingontheprimarysideand3low-voltagebushingson thesecondaryside;2liftinglugsforfulltransformerelevation;2standardANSlsupports;1pressurereliefvalve; and groundingterminals.
2.TheCSPseriestransformerisequippedwithaprimaryfuse,ahigh-voltageovervoltagedischargedevicefor heavy-dutyservice,alow-voltageovervoltagedischargedeviceforlight-dutyservice,andasecondaryautomatic switch,providing protectionagainst short circuits,lightning strikes,and electrical storms.
FigureA:Secondaryautomaticswitchwithan overload indication light
FigureB:Fusibleprincipal
FigureC:Pararrayosprincipaldealtaresistencia
Type1:Nominalvoltageof 9 \mathsf { k V } MCOV(MaximumCurrentOverloadProtection) of7.65kV,heavydutyservice,currentcapacityof 1 0 k A polymetrictype. Type2:Nominalvoltageof 1 0 k V MCOVof 8 . 4 1 x V heavy-dutyservice, 1 0 k A polymetricaltype.Figure
D:Secondaryovervoltagedischargedevice:nominalvoltage240V5kA,forlight-dutyuse,polymetricaltype
CURRENTAND VOLTAGE TRANSFORMER
Description
Thecurrenttransformerisbusbartypecasting insulated outdoortypeproduct.Itisused for measuring current,electricitypowerand relayprotection in theAClineorrated frequency 6 0 H z atedvoltage6ooVandbelow.
Thecurrenttransformercanbeexecutedaccording to thestandard IEC61869-2.
TechnicalData
Coreandwirematerial:nano-amorphousand polysterenameledwil
Ratedinsulationlevel:0.72/3/10kV
Testvoltageinsecondarywindings:3kVef
InsulationLevel:ClassA
Regime:continuous
Ratedprimarycurrent:upto2000A
Ratedsecondarycurrent:5A
Ratedshort time thermal.current(Ith):80ln/1s
Rateddynamiccurrent(ldyn):2.5x80ln(2.5lcc)
Powerfrequencywithstandingvoltage:2kV/1min.or3kV/1min
nstrumentsecurityfactor(FS): \yen 5 (FS5)or≤10(FS10)
Permanentovercurrentextended range: 12 0 %
Timeofoverload1.2ln:Permanent
Timeofoverload 1 . 3 1 n / 1 . 5 1 n ; 8hours/1hour
9
| Model | Ratedprimary current(A) | Window size (mm) | Rated output(VA) | Accuracy Class | Remarks |
| LMZW3-0.72 | 100/5,200/5,300/5 | 40 | 5 | 0.5S | |
| 400/5,500/5 | 50 | 5 | 0.5S | ||
| 600/5··1200/5 | 60 | 10 | 0.5S | ||
| 1500/5,200/5 | 75 | 10 | 0.5S | ||
| LMZW3-0.72 | 200-400/5 | 40 | 5 | 0.5S |
Outline drawing
1Description
LMCVT4-0.72Wadopts plastic casing，epoxy resin potting and sealingstructure,andits electricalperformanceandweatherresistancearegood.
Transformershavetheircore,coilsandothercomponentsoftheirstructure,encapsulatedand hermeticallysealed withthermoplasticresinorothersuperiorcharacteristics thatpreventthe entry of moisture.
Resininsulationofhighdielectricstrength,resistancetotheactionofultravioletrays,hardness andmechanical flexibility.The voltageclampdesignedwith piercesthecable insulation to measurethevoltageand powerfortheconnected smartmeterdevice.
TheLMCVT4-O.72Wsensorsareinsulatedwith highperformance，suchasexcellent mechanical,thermal,andaccuracycharacteristics,impact-resistantthermoplastictopreserve qualityand performancein harshenvironmental conditions.
TheLMCVT4-0.72Wareintendedtobeinstalledoutdooronthedistributiontransformers bushing,theyconformtothedegreeofprotectionIP65asgiveninIEC60529.Theyalsohave weatherproof coversandoperateattheiraccuracy levels intherequired climaticconditions.
2Type
3Model
3.1Description:LVcurrent transformers dedicated to transmit signals tomeasurement devices.
| a) | IEC61869-1:2007 | Instrumenttransformers-Part1:General requirements |
| b) | IEC61869-2:2012 | currenttransformers |
| c | IEC60529:2013 | Degreesofprotectionprovidedbyenclosure(IPcode) |
4ServiceConditions
4.1Environment temp: - 5 ~ 4 0 ^ { \circ } C
4.2Installationsite:Outdoor
5Main TechnicalData Sheet(Form2)
| No | Item | Description |
| a) | Type | Windowtype |
| b) | Mounting | Outdoor（IP65) |
| Insulation type | Drytype | |
| d | Insulationclass(heating) | ClassA |
| e | Mainfrequency | 60Hz |
| f | Operatingvoltage | 0.6kV |
| g | Maximumvoltageofequipment | 0.72kV |
| h） | Basic pulse level | 10kV |
| i | Testvoltageatratedfrequency | 3kV |
| j) | Secondary windingtestvoltage | 3kV |
| k) | Ratedcontinuousthermalcurrent （lcth) | 1.2xln |
| 1 | Rated short-time thermal current | 80xln/1s |
| m | (lth) Rateddynamiccurrent(Idyn) | 2.5×lth |
| n） | Instrumentsecurityfactor(FS) | FS≤5orFS≤10 |
| 。 | Secondary connection | Positioningwithmultipinconnector,sealable, withcontrol cable,which hasphasecurrent andvoltagesignals.Thedesignshallallowfor |
| p) | Conductor type | thereplacement of cables when necessary. 3×14AWG(THHN) rubberconductorwith UVprotection. |
| q | Colorof signal line | Voltagesignal:V:Red Current signal:S1:Black S2:Green |
| r | Protection ofmulti pin connectors | IP68,waterproof through gaskettoprevent contactwithforeignmatters |
| s) | Phase voltage | Itmustprovideaconnectionpoint integrated withtheCTbodytosendavoltagesignalfrom thedistributionnetworkthroughthe |
| perforationdevice. Itmust haveat least threecontact points,be | ||
| t） | Drillingdevice | abletopenetrate2/0AWGto477MCM conductors,andtheinsulationthicknessmust beatleast4mm |
6Technical parameters(Form3)
| Model | Rated Ratio | Rated Accuracy | Rated Burden | Rated Short-time Thermal Current | Rated Dynamic Current | Rated insulation level |
| LMCVT4-0.72W | 200/5A 600/5A | Class0.5FS5 | 2.5VA | 80xln/1s | 2.5×lth | 0.72/3kV |
| Class0.5FS5 | 5VA | 80xln/1s | 2.5xlth | 0.72/3kV |
7.WiringDiagram
P1 P2 3 1 2 8 。 ○ V S1 S2 RedBlack Green
8.Outline Drawing
Description
Thetransformeriscastedtogetherby1CTand1PTwithsmallsize,itsavesroom.Itcanbe usedoutdoor，Its highestvoltage forequipment can be 1 7 . 5 \mathsf { k V } . Thetransformercan beexecuted.
Outdoorapplications:
Revenuemetering.
Protectionforsubstationsanddistribution lines.
Protection forpowertransformers.
Protectionforcapacitorbanks.
Outdoor-outdoor wall bushings(model CPE).
Maintechnicalparameter
MaintechnicalparameterforCurrentTransformers:
Outdooruse
Cast-resin insulated
Frequency60Hz
Ratedinsulationlevel:17.5/38/95kV
Voltageinthesecondarywindings(kVef)：3
Insulationvoltageofwiringequipment:600\
Ratedshorttimethermalcurrent(Ith):80ln/1s Rateddynamiccurrent(ldyn):2.5x8oln(2.5lcc) Instrumentsecurityfactor(FS):5 Timeofoverload1.2ln:Permanent Timeofoverload1.3ln/1.5ln:8hours Sobrecorrientepermanente,rangoextendido: 120 %
Standards:IEC60044-1&IEC60044-2IEC61869.1&4ANSIC57.13
MaintechnicalparameterforVoltageTransformers:
Thermallimitingoutput:500VA
| Type | Ratedvoltage ratio（V） | Accuracy class | Rated output (VA) | Rated current ratio | Accuracy class | Rated output (VA) | Remark |
| JLDZXW3-17.5F | 12470/V3/120 (7200/120) | 0.5 | 15 or 20 or 25 | 5-10/5 10-20/5 | 0.5S | 10 or 15 | |
| 15-30/5 | |||||||
| 25-50/5 | |||||||
| 50-100/5 | |||||||
| 100-200/5 200-400/5 |
JLSZXW3-17.5FOutdoorThree-phaseCombinedTransformer
Description
Thetransformeriscastedtogetherby3CTand3PTwithsmallsize,itsavesroom.Itcanbe usedoutdoor，Itshighestvoltageforequipmentcanbe17.5kv.Thetransformercan beexecuted.
Outdoor applications:
Revenuemetering.
Protectionforsubstationsanddistributionlines.
Protectionforpowertransformers.
Protectionforcapacitorbanks.
Outdoor-outdoorwallbushings(modelCPE).
Maintechnicalparameter MaintechnicalparameterforCurrentTransformers: Outdooruse Ratedshorttimethermalcurrent(Ith):8oin/1s Cast-resin insulated Rateddynamiccurrent(ldyn):2.5x80ln(2.51cc) Frequency60Hz Instrumentsecurityfactor(FS):5 Ratedinsulationlevel:17.5/38/95kV Timeofoverload1.2ln:Permanent Voltageinthesecondarywindings(kVef):3 Timeofoverload1.3ln/1.5ln:8hours Insulationvoltageofwiringequipment:600v Sobrecorrientepermanente,rangoextendido: 1 2 0 %
Standards:IEC60044-1&IEC60044-2IEC61869.1&4ANSIC57.13
MaintechnicalparameterforVoltageTransformers:
Thermallimitingoutput:500VA
| Type | Ratedvoltage ratio（V） | Accuracy class | Rated output (VA) | Rated current ratio | Accuracy class | Rated output (VA) | Remark |
| JLSZXW3-17.5F | 12470/V3/120 (7200/120) | 0.5 | or or 25 | 5-10/5 | 0.5S | 10 or 15 | |
| 10-20/5 | |||||||
| 15-30/5 15 | |||||||
| 25-50/5 20 | |||||||
| 50-100/5 | |||||||
| 100-200/5 200-400/5 400-800/5 |
Description
Thetransformerismadeupof threesinglephasecombined transformers.
It canbeused outdoor,Its highest voltageforequipmentcanbe17.5kV.
Maintechnicalparameter
H
Frequency60Hz Voltage in the secondarywindings(kVef):3 Insulationvoltageofwiringequipment:600V Standards:IEC60044-1&IEC60044-2 Thermal limitingoutput:500VA
Ratedshorttimethermalcurrent(Ith):80ln/1s Rateddynamiccurrent(ldyn):2.5x80ln(2.5lcc) Instrumentsecurity factor(FS):5(FS5) Timeofoverload1.2ln:Permanent Timeof overload1.3ln/1.5ln:8hours
| Rated Voltage ratio（V） | Accuracy class | Ruatput (VA) | Ratedt ratio | Accuracy class | Rutput (VA) | insuttdon level(kV) |
| 12470//3/120 （7200/120） | 0.5 | 15 | 5-10/5 ~400-800/5 | 0.5S | 10 | 17.5/38/95 |
Outlinedrawing
OUTDOOR COMMUNICATION
Overview
户外高压隔离开关是单极交流50Hz高压开关设备，用于额定电压10kV电力系统中。作为有电压无负载情况下的接通或隔离电源使用。
本陽离开关使用绝缘钩樟进行操作。
本系列户外隔离开关满足GB/T1985-2023《离压交流隔离开关和接地开关》、IEC62271-102《交流隔离开关和接地开关》以及GB/T1022《高压开关设备和控制设备标准的共用技术要求》等标准的相关规定。
Theoutdoorhgvolagedisconnectorissingle-poleAC50zhighvlagesitchgearusedinaatedvltage1Okvpowesystemtooctor disconnect thepower supplyunder voltage and no load
Thisdisconnectorisoperated byaninsulated hook rod.
ThisseriesofoutdordisconectorsmeetstherelevantprovsonsofGB19852023“HighvoitageACdisonnectorsandearthingswitches IO62271-102“ACscoectosandertsicsandGB22Comotehicaleireentsfrgagesgedtrol equipment standards\*.
Modelmeaning
| 型号 Model | 定电压 Rated voitage(kv) | 倾定电流 Rated current(A) | 蜂值耐受电流 Peak withstand currentkA) | 短时耐受电流 Shert timewithstand curnent(kA) |
| (H）GW9-12/630 | 12 | 630 | 50 | 20/4s |
| (H)GW9-12/1000 | 12 | 1000 | 50 | 25/4s |
| (H)GW9-12/1250 | 12 | 1250 | 80 | 31.5/4s |
（H)GW9 Plateau type
| 型号 Model | 额定电压 Rated voltage(kv) | 定电流 Rated current(A) | 蜂耐受电流 Peak withstand current(kA) | 短时耐受电流 Short time withstand current(kA) |
| （H）GW9-12G/630 | 12 | 630 | 50 | 20/4s |
| (H)GW9-12G/1000 | 12 | 1000 | 50 | 25/4s |
| (H)GW9-12G/1250 | 12 | 1250 | 80 | 31.5/4s |
（H）GW9（A、CType）
| 规格型号 Specifications | 额定电压 Rated voitagelkv) | 额定电流 Rated current(A) | 子板安装螺栓数量 |
| (H)GW9-12A/200 | 12 | 200 | 1 |
| (H)GW9-12A/400 | 12 | 400 | 1 |
| (H）GW9-12A/630 | 12 | 630 | 2 |
| （H）GW9-12A/800 | 12 | 800 | 2 |
| (H)GW9-12A/1000 | 12 | 1000 | 2 |
| (H）GW9-12A/1250 | 12 | 1250 | 2 |
| 规粘型号 Specifications | 额定电压 Ratedvoltage(kv) | 定电流 Rated current(A) | 端子板安装螺检数量 |
| (H)GW9-12C/200 | 12 | 200 | 1 |
| (H）GW9-12C/400 | 12 | 400 | 1 |
| (H）GW9-12C/630 | 12 | 630 | 1 |
| (H)GW9-12C/800 | 12 | 800 | 2 |
| （H)GW9-12C/1000 | 12 | 1000 | 2 |
| (H)GW9-12C/1250 | 12 | 1250 | 2 |
| 型号 Model | 定电压 Rated,voitage(kv) | 定电流 Rated current(A) | 蜂信耐受电液 Peak withstand current(kA) | 短时耐受电流 Short tme withstand current(kA) |
| {H}GW9-12N/630 | 12 | 630 | 50 | 20/4s |
| (H)GW9-12H/630 | 12 | 630 | 50 | 20/4s |
| 型号 Modet | 定电压 Rated voltage (KV) | 预定电流 Rated current (A) | 峰值耐受电流 Peak withstand current(kA) | 短时耐受电流 Short timewithstand current(kA) | 绝缘子 Insulator | 备注 Remark |
| GW9-12/630 | 12 | 630 | 20 | 50 | 瓷Porcelain | Standlation |
| HGW9-12/630 | 12 | 630 | 20 | 50 | Compsite | Standiation |
Overview
这是一款三相一体的户外高压隔离开关，用于额定电压为10Kv的电网系统中，主要用于线路有明显断开点的用途，确保线路检修、维护等绝对安全，变电站、配电所等地方进出线侧使用居多。作为一款三相一体的隔离开关，三相同步操作。安全系数高，操作简单快捷，产品符台GB／T1985-2023《离压交流隔离开关和接地开关》国家标准。
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Conditions of Use
环境温度：-40℃+40°℃：
海拔高度：普通型≤1000m，高原型≤5000m； 风压：不超过700Pa（相当于风谨34m/s）；
防污等级：三级；
地震强度：不起过8度：
冰厚度：≤20mm
无火灾，爆炸、化学腐蚀及经常性剧烈震动的场所； 出以上条件需与制造商共同商议。 Ambient temperature.-40C +40C
Aitude≤10c0mfcr commontype≤50comforplateautype
Wind pressure.nomore than 70oPa(euuivalent tc wind speed 34m/s). Anti-pollution level: Level 3;
Earthquake intensityno more than B degrees,
ce thickness≤20mm
No fire,explosicn， cherical corrosion andfrequent severe viration;
Beyond theabove condtions,itisnecessaryto discusswiththemanufacturer
Modelmeaning
Appearanceand installation dimensions
| 型号 Model | 翻定电压 Rated vottage/ky) | 超定电流 Rated current(A) | 蜂值耐受电流 Peak withstand current(kA) | 超时耐受电流 Short timewithstand currentikA) |
| (H}GW1-12/630 | 12 | 630 | 50 | 20/4s |
| (H)GW1-12/1000 | 12 | 1000 | 50 | 25/4s |
| (H)GWI-12/1250 | 12 | 1250 | 80 | 31.5/4s |
下单时请提供产品为瓷还是复合产品安装为正装还是侧装，主刀操作机构为电动或手动，是否接地，接地刀为电动或手动，操作杆长度等。
Whenplacinandepeaseproideethetheprodutisprcelainrpseprdutwetheitisstaldfrntideeterthe mainknifeoperatinassricaal,tritisroudedhtetoinknifiseticaal,tgtfthe operating rod,etc
OrderingInformation
订购本开关时须注明产品型号、赖定电流、额定热稳定电流，设备安装方式、是否接地、进线触头接地或出线触头接地等。特殊要求须与本公司进行协商。
det gouddacdaedetd company,
1
Overview
GW4系列户外离压交流隔离开关是交流50Hz的户外高压电器设备，额定电压等级有12kV、24kV、40.5kV和72.5kV用以在无负载情况下断开或接通高压线路，以便对高压线路进行转换，改变运行方式，以及对检修的母线与断路器等高压电器设备实行安全的电气隔离。隔离开关配用CS11、CS14G型手动操动机构或CJ6型电动操动机构。接地开关配CS11、CS14G手动机构。
本系列户外隔离开关满足GB/T1985-2023《高压交流隔离开关和接地开关》、IEC62771-102《交流隔离开关和接地开关》以及GB/T1022《高压开关设备和控制设备标准的共用技术要求》等标准的相关规定。
GW4serisutdorigvageACdisconecoseoudoohageelecricalequpentwitAC5andtheatedlalevelse 12kV24ed changetheopeimdeandmpementsafeeecalislatfigtaeleccalequpntsuchsssandrcteasder maintenanceThedisosreedC4GalpeaieoCecticpeimecTding switches are equipped with CS11, CS14G manual mechanisms.
ThsseesofoutdooscoectorsmeetstereleantprovsiosofGB9B522HigvageACdsoectsandgoundsihe EC6271-02CsosdissdB22echletsfesd equprnent standards".
Conditions of Use
环境温度：-40°℃+40℃：
海拔高度：普通型≤1000m，高原型≤5000m 风压：不超过700Pa（相当于风速34m/s）
防污等级：三级：
地震强度：不超过8度；
覆冰厚度：≤20mm
无火灾，爆炸、化学腐蚀及经常性剧烈震动的场所； 超出以上条件需与制造商共同商议。 Ambient temperature40°C+40°℃
AltitudeOrdinarytype≤1000m，PiateautypeE5000m
Wind pressure:not more than 7ooPa (equivalent to wind speed 34m/s). Anti-polutionlevelLevel 3
Earthquakeintensity not more than8degrees;
lce thckness≤20mm
Nofireexplosion chemical corrosionandfrequent severe vibration
Beyand theaboveconditions,itisnecessarytodiscusswiththemanufacturer
Modelmeaning
Formalweardiagram
| 型号 Model | 定电压 Rated voltage (KV) | 定电 Rated current (A) | 值耐变电流 Peak withstand current | 短时耐受电流 Shorttimewiths tand current | 工频耐压 Powerfrequency withstandvoltage | 电冲击耐受电压 Lightningim plse withstandyoltage |
| GW4-12 | 12 | 200 | 31.5 | 12.5/4s | 相间42、对地48 Phase42,ground48 | 相间75、对地85 Phase75,ground85 |
| 400 | 40 | 16/4s | ||||
| 630 | 50 | 20/4s | ||||
| 1250 | 80 | 31.5/4s | ||||
| GW4-24 | 24 | 400 | 40 | 16/4s | 相间65、对地79 Phase65,ground 79 | 15545 145 |
| 630 | 50 | 20/4s | ||||
| 1250 | 80 | 31.5/4s | ||||
| GW4-40.5 | 40.5 | 630 | 50 | 20/4s | 95d118 | 相间185、对地215 Phas 1215ground |
| 1250 | 80 | 31.5/4s | ||||
| 1600 | 100 | 40/4s | ||||
| 2000 | 100 | 40/4s | ||||
| GW4-72.5 | 72.5 | 630 | 50 | 20/45 | 相间140、对地182 Phase140,ground 182 | 相间325、对地384 Phase325,ground 384 |
| 1250 | 80 | 31.5/4s | ||||
| 1600 | 100 | 40/4s | ||||
| 2000 | 100 | 40/4s |
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Overview
GW5系列户外高压交流隔离开关是交流50Hz的户外高压电器设备，额定电压等级有40.5kV、72.5kV、126kV用以在无负载情况下断开或接通高压线路，以便对高压线路进行转换，改变运行方式，以及对检修的母线与断路器等高压电器设备实行安全的电气隔离。也可用于开，台小电容或电感电流。
本系列户外隔离开关满足GB/T1985-2023《高压交流隔离开关和接地开关》、IEC62771-102《交流隔离开关和接地开关》以及GB/T11022《高压开关设备和控制设备标准的共用技术要求》等标准的相关规定。
GW4sensoutdoohighvltageACdisconecorsareutdoorhigvltageelectricalequipmentwithAC5OHz,andthratedvolagelevelsare 12kV,24kV40dkssedtdctociageldeditehai changethopeatnmodeandimplementsafeelectricalisolationofigtageletricaleqipmentsucsusbarsandicuitreakesder maintenanceThdisoetorsareeqppdwitCS14Gmaualopengmechismso6electioperatinmechiss.Teoding switchesareequippedwith CS11, CS14Gmanual mechaniss.
ThisseriesofoutdoodisconectorsmeetstherelevantprovisisfGB/T19652023HighvoitageACdisconnectorsndgroundinswitches IEO62771-102“ACdisoosndgroudngscesdGB022otechialeqirentsfohivagewthgeadtrol euuipment standards".
Conditions of Use
环境温度：-40°℃+40℃
海拔高度：普通型≤1000m，高原型≤5000m； 风压：不超过700Pa（相当于风速34m/s）：
防污等级：三级：
地震强度：不超过8度：
覆冰厚度：≤20mm
无火灾，爆炸、化学腐蚀及经常性剧烈震动的场所； 超出以上条件需与制造商共同商议。 Ambienttemperature:-40°C+40℃
Alitude Orcinarytype≤100omPlateau type≤5000m
Windpressure.notmorethan7ooPa(ecuivalent to windspeed34m/s); Anti-polution levelLevel 3;
Earthquake intensity not more than B degrees
lcethickness≤20mm
No fireexpiosionchemical corrosion and frequent severe vibration
Beyond the above conditiorsitisnecessry to discuss with themanufacturer.
Modelmeaning
Formalweardiagram
111V
600 1200安装支架用户白备Mounting bracket
华二
| Model | Peaga kA) | Shor (kA) | (kV/min) | (ky | ||
| GW5-40.5 | 40.5 | 630 | 50 | 20/4s | 相间95、对地118 Phase95,ground118 | 相间185、对地215 Phase25ground |
| 1250 | 80 | 31.5/4s | ||||
| 1600 | 100 | 40/4s | ||||
| 2000 | 100 | 40/4s | ||||
| GW5-72.5 | 72.5 | 630 | 50 | 20/4s | 相间140、对地182 Phase140.ground 182 | 相间325、对地384 Phase325,ground 384 |
| 1250 | 80 | 31.5/4s | ||||
| 1600 | 100 | 40/4s | ||||
| 2000 | 100 | 40/4s | ||||
| GW5-126 | 126 | 630 | 50 | 20/45 | 相间185、对地258 Phase185,ground 258 | 相间450、对地553 Phase450,ground 553 |
| 1250 | 80 | 31.5/4s | ||||
| 1600 | 100 | 40/45 | ||||
| 2000 | 100 | 40/45 |
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Overview
户外低压隔离开关要用于额定电压0.5kV(380V)电力系统作为变压器低压侧在短路保护与过负荷保护，在一定在条件下可以切含空载变压器、空载线路，同时也可以在额定电压下有电压无负载用绝缘钩棒操作接通和断开隔离开关。
Outdoorlow-voltageisconnectorsareusedinpwersystemswithaatedvlageof05kv380Vasshort-ircuitprotectionandoveload protectioftagesidetrafersUderceranodisthynusedfdrafsnddite sametimetheynsobeopeatedwithinsiookodtocotanddscothdisoectderatedaewithvaend no load.
| M号e | 预定电压 Rated voltage (kv) | 翻定电池 Rated current YA) | Availablefuseecicaions |
| HRW2-0.5/200 | 0.5 | 200 | 150A |
| HRW2-0.5/400 | 0.5 | 400 | 150A、200A、300A、400A |
| HRW2-0.5/630 | 0.5 | 630 | 150A、200A、300A、400A、630A |
| HRW2-0.5/800 | 0.5 | 800 | 150A、200A、300A、400A、630A、800A |
| HRW2-0.5/1000 | 0.5 | 1000 | 150A、200A、300A、400A、630A、800A、1000A |
Appearance and installation dimensions
Overview
户外低压隔离开关要用于额定电压0.5kV(380V)电力系统作为变压器低压侧在短路保护与过负荷保护，在一定在条件下可以切合空载变压器、空载线路，同时也可以在额定电压下有电压无负载用绝缘钩棒操作接通和断开隔离开关。
Outdoorlow-vagedionecrsreusedinpowersseswithaatedvlageof.5k38asshrtrcuitprotectioandveroad protectioftheagesidftrafesUndercertansthcanbeusedfrldtrasfomsdnoldiAthe smetimetespeeditisnodttanddotedetedeie no load.
Modelmeaning
（H)JDW2-□R/0.5□无表示平板结构熔片操动式 None indicatesflat plate structure fuse operated typeW1:表示平板结构熔片固定式（JDW1） W1:indicatesflatplatestructurefusefixedtype()DW1)R1:表示支架结构熔片固定式（GWR1） R1:indicatesbracket structurefusefixed type(GWR1)RK：表示瓷架结构熔片操动式（WTRK) RK:indicatesporceiainframe structurefuseoperated type(WTRK)额定电压 Rated voltage带熔丝板 With fuse board热稳定电流 Thermal stable current设计序号 Design serial number户外 Outdoor低压断器式隔离开关 owvoltage fuse type dsconnector交流 ACH时为橡胶绝缘子，当H省略时为瓷绝缘子SiliconrubberinsulatorwhenH.poroelaininsulatorwhenHisomitte
Appearance and installationdimensions
| Mdel | (kv/min) | Ckv) | |||
| JDW2-0.5/200 | 0.5 | 200 | Phe2，on | Pe4、und | 120A、150A、220A、 300A、360A、470A、 630A |
| JDW2-0.5/400 | 0.5 | 400 | |||
| JDW2-0.5/600 | 0.5 | 600 | |||
| JDW2-0.5/800 | 0.5 | 800 | |||
| JDW2-0.5/1000 | 0.5 | 1000 |
Composite (Polymeric) Insulator
Composite(Polymeric) Insulator
General
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Product Series
（WYA)FXBW Rod composite suspension insulator （WYB)FPQ Compositepin-typeinsulator （WYC)FZSW Composite post insulator (WYD)FS Composite cross-arm insulator (WYE)FQB Electrified railwaywithwrist composite insulator （WYE)FQX Compositeinsulatorforelectrifiedrailway
ConditionsofApplication
Ambientenvironment:
a)Temperature:-40°℃≤T≤40℃ b)Altitudeabovesealevel:≤1500m c)Max.windspeed:≤35m/s d)Earthquakeintensity:≤8degree e)Frequency ofAC power:≤100Hz OThefilthyareashould be indicated.
