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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.
Grewin Overhead Line Fault Indicator LED Alarm

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.
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