Grewin Overhead Line Fault Indicator LED Alarm
Tianjin Grewin Technology Co.,ltd, who always pay great attention to its business philosophy "Quality and Honesty First". Grewin is specialized in the design and manufacture of wound components such as transformer,current sensors, chokes etc . windely used in communications,electronics,meters,industrial control,medical equipments and other fields.We are also a provider of power meters and instruments locators. 85% of its products exported to America, Europe, and Asia etc. We have passed ISO9001,CE,CB,SGS approval and IEC report and developed good cooperative relationship with valued customers around product quality and value-added service along with the fast efficient solution.Grewin has won a lot of customer's praise.
Name:OverheadLineFaultIndicator
Certification:
WehaveabtainedVDE,UL,CE,ROHS,ISO9000ApproalandSGSAuditSupplierinChina,Weguaranteequalityisthefirst.
Productdescription:
Built-inbatteryandpowersupplyfromtheline
Detectshortcircuit,earthfaultandlinecurrentrunningstatus
Threealarmingmethods:localdaytimeturnoveralarm,LEDalarminnightandoptionalremoteGPRS/GSM
Mainfunction:
Automaticreset
Theindicator'sresettime1-48hours(canbesetonline),Orthelocal/remoteflopreset(FlopwiththeLeddisplay)
Power
Theindicatorismadewiththenewmaterialandspecialcircuitdesigned,throughlimitinggroovetoreducepermeabilityandvortexenergyconsumptiononthemedia,Whenthelines'loadcurrentexceeds7A,theindicatorbegantotakepower
Short-circuitcriterion
Theindicatorjudgestheshort-circuitbythestandardquick-break,oversettingcurrent,parametersbesetinreal-timeitcansuppresstheinrushcurrentandpowerfeedback,ensureaconsistentwiththetransformersubstation.Itcanbesetasadaptiveloadcurrentovercurrentmutationcriterion,alsobesetasadaptiveloadcurrentshortcircuitovercurrentmutationcriterion.
Alarmfunction:
Localdaytimeturnoveralarm,LEDalarminnight
Specification
| battery | 5.4~6.5Ah/3.6Vonelong-lifelithiumbatteries |
| Takeelectricpower | 50uA-20mA/3.6V(Correspondstoaloadcurrent7A~600A) |
| Staticaveragepowerconsumption | ≤40uA/3.6V(RFinthestateofwaitingtoreceiveparametersandcommand) |
| Dynamicaveragepowerconsumption | ≤50uA/3.6V(RFsenddataonceper5minutes), ≤60uA/3.6V(RFsenddataonceperminutes), |
| Availablewirediameter | 0~40mm(Insulatedwire,barewire) |
| Availableloadcurrent | 0~600A(Default),0~100A,0~2000A,0~4000A |
| Quick-breakOvercurrentDelay |
0~9.99S,Stepping0.01s(WirelessandremoteGPRSonlinecanadjusttheparameters) |
| Quick-break,overcurrentsettings | 0~700A(Phasesequence0~4000A/Zerosequence0~70A),Stepping1A(WirelessandremoteGPRSonlinecanadjusttheparameters) |
| Maximumearthimpedance | 500Ω |
| Maximumshortcircuitcurrent | 40KA |
| Communicationdistance | 30~100m(11dbm,Openarea),100~300m(20dbm,Openarea) |
| Communication | mode420~440MHZ,canbedividedinto10~20Wirelessband,Eachband64-speedautomaticfrequencyhopping,bidirectionalcommunication |
| VoltageLinearity | Betterthan±5% |
| Current | Accuracy±1%(RatedCurrent100A)or±1A(Loadcurrent<20A) |
| Ambienttemperature | -35ºC~70ºC |
| Protectionclass | IP65 |
| Timesofaction | >5000times |
| Relativehumidity | ≤95% |
| OperatingAltitude | ≤2000m |
| Weight | ≤500g |
| Life | ≥10years |
| Maximumwindvelocity | 35m/s |
| Seismicity | 0.1g |
| Visualangle | 360° |
contactinformation:
Amy
Tianjin Grewin Technology Co.,Ltd.
Web: or
TEL:
Send product request
Other supplier products
 |
Toroidal Core Current Transformer | Features: lLow cost More than 50 standard sizes Non-symmetrical mounting pattern,wire leads or termianl mounting. Toroidal Silicon steel and Nick... |
 |
Ei Laminated Transformer with Wire Leads or PCB Mounting | Name:EI core Low Volatge Transformer Silicon Steel Transformer for Communication1.Product Specification:1). Models:EI28, EI30, EI35, EI41, EI48,EI5... |
 |
240V Encapsulated Dry -Type Transformer for Lighting | We have passed ISO9001:2015,CE,SGS approval and IEC report1.Product Specification:1). Models:EI28, EI30, EI35, EI41, EI57, EI66, EI... |
 |
EFD Трансформатор | Характеристики:С малой индуктивностью рассеянияС высокой эффективностьюС высокой частотойВысокий магнитный потокСильное против вмешательстваМагнит... |
 |
high efficiency Split-bobbin 200 V 50 HZ 7.0 V load low frequency power transformer for power equipment | Features: EI-core power transformers, high-quality low-power silicon steel design with load loss, high output power, high efficiency, low tempera... |
Same products
 |
China factory Transformer bushing BRDW-126/630-3 for power station | Seller: DONGFANG YOYIK (DEYANG) ENGNIEERING CO; LTD | "China factory Transformer bushing BRDW-126/630-3 for power station YOYIK is a research and devel... |
 |
TOROIDAL TRANSFORMER | Seller: Yu Yang Magnetic Co., LTD | Seamless toroidal core (ferrite/powdered iron) minimizes core loss (<1.1W/kg) and achieves >... |
 |
ACREL AID150 ALARM AND DISPLAY DEVICE | Seller: Jiangsu Acrel Electrical Manufacturing Co., LTD. | The AID150 insulation monitoring device schneideris designed for visual and audible indication of... |
 |
ACREL ANSVG STATIC VAR GENERATOR | Seller: Jiangsu Acrel Electrical Manufacturing Co., LTD. | ANSVG series of reactive power and harmonic hybrid compensation devices are connected in parallel... |
 |
The Working Principle of Active Power Filter | Seller: Jiangsu Acrel Electrical Manufacturing Co., LTD. | Active power filter is a new type of power electronic device used to dynamically suppress harmoni... |
