Digital Panel MetersLarsen & Toubro (L&T) is a technology-driven company that infuses engineering with imagination. The Company offers a wide range of advanced solutions, in the fields of Engineering,Construction,Electrical&Automation,MachineryandInformation Technology.L&TSwtichgear,whichformspartoftheElectrical& Automationbusiness,isIndias largest manufacturer of low voltage switchgear, with the scale, sophistication and range tomeetglobalbenchmarks.Withoverfivedecadesofexperienceinthisfield,the Company today enjoysa leadership position in theIndian market with growing presence in International markets.It offers a complete range of products including: controlgear, powergear,motor starters, energy meters, wires and host of other accessories. Most of our products conform to International standards, carry markings and are certified. L&T manufactures and markets a comprehensive range of high quality electronic energy meters and metering solutions for utilities, industries and commercial establishments.L&T products are designed and developed in-house and conform to relevant Indian andInternationalstandards.TheproductsaremanufacturedatL&TsMysoreCampus, which is equipped with latest test facilities.L&T through its emphasis on innovation, technology and quality is committed to support its customers with accurate, reliable and easy to use electronic metering solutions.CONTENT VEGAQUASARNOVAACRUXGEMiNi

mi - ENERGY 1812141517VEGA1Single Function Digital Panel Meter VEGAllField programmable CT/PT ratio with password protectionlAuto scaling of Kilo and MegalDisplays average and phase quantities*lErgonomic design lEase of installation and usagelStandard size of 96 x 96 mmlAuto and manual scrolling*lPhase indication of displayed parameter through LED*lAmmeter with secondary currents of 1 A and 5 A* Applicable to 3 Phase MetersWide operating range of auxiliary supplyVAF Digital Panel Meters VEGA3 line LED displayMeasures V, A, f and RPMModels with secondary current of 5 A and 1 A Password protected programming mode through keypad includesRPM : Number of poles programmable from 2 to 16CT/PT ratioSuitable for 50/60 Hz electrical systemsAuto scaling of Kilo & Mega LEDsRugged design for industrial use Compact size of 96 x 96 mmllllllllMultifunction Digital Panel Meters 3 Line LED displayParameters measured - V, A, f, pf, neutral Current, phase angle, power, energy, MD kVA, MD kW, average loadModels with secondary currents of 5 A and 1 AUnidirectional / bidirectional recordingCumulative import & export and recording of reset parameters Current reversal indicationsTotal Harmonic Distortion (THD) displayProgrammability and communication through RS485 portEasy programmability through key padField programmable CT & PT ratios with password protectionTwo relays provided for tripping fault circuits on preprogrammed abnormal system conditions (Optional)Available in three ranges - Model A, B, CAuto scaling of Kilo, Mega & Giga LEDsStandard size of 96 x 96 mmRugged design for industrial useVEGAlllllllllllllllTechnical Specifications:(Common for Single Function, VAF & Multi-Function Panel Meters)Auxiliary voltageAuxiliary burdenFrequency rangeClass of accuracy Measurement circuit burdenInput voltage measurement rangeBasic currentInput current measurement rangeVoltage range for class of accuracyCurrent range for class of accuracyInput frequency rangeImpulse voltage testAC voltage testInsulation resistanceTest of power consumptionVoltage dips and interruptsShort time over current protectionFast transients burst testImmunity to electrostatic dischargeRadiated, radio-frequency, electromagnetic field immunity testImmunity to electromagnetic HF fieldsthrough conducted linesSurge immunity testRated power frequency magnetic fieldsEmissionOperating temperatureStorage temperatureHumidityShock VibrationCasingWeightDimensionsSingle function: 90 to 300 V ACVAF : 90 to 300 V ACMultifunction: 80 to 300 V AC< 4 VA50 Hz 5%For voltage, current and energy : Class 1.0For frequency : 0.2% of mid frequency(Parameters as applicable to individual meters)< 0.2 VA per phase10 V to 300 V (P-N)17.32 V (P-P)to520 V (P-P)-/5 A, -/1 A2% to 120% of basic current57.7 V (P-N) to 277 V (P-N)100 V (P-P) to 480 V (P-P)5% to 120% of basic current45 Hz to 65 Hz4 kV as per IEC 62053-214 kV double insulation as per IEC62053-21500 V DC as per IS 13779as per IEC 62053-21 as per IEC 61326-1For Multifunction, VAF and Ammeter :20 times of Ifor half a second as per 7.2 of IEC 62053-21max(Not applicable for Voltmeter and Frequency meter)4 kV as per IEC 61000-4-48 kV air discharge, 6kV contact discharge as per IEC 61000-4-210 V/m as per 61000-4-33 V as per IEC 61000-4-64 kV as per IEC 61000-4-51 A/m as per IEC 61000-4-8Class B as per CISPR 22 o o0 C to +55 Co o-20 C to +70 C0 to 95% relative humidity non-condensing40 g in 3 planes10 to 55 Hz, 0.15 mm amplitudePlastic mould protected to IP51 from front sideVEGA ModelAuxiliary SupplyMeasuring Circuit(Parameters as applicable to individual meters)Insulation PropertiesElectrical RequirementsElectro-Magnetic Compatibility (EMC)Operating ConditionsMechanical TestsDimensionsVEGA2Single function: 255 g (approx.)VAF : 350 g (approx.): 400 g (approx.) MultifunctionSingle Function : 96* 96* 45 mm (approx.)VAF : 96* 96* 45 mm (approx.)Multifunction: 96* 96* 65 mm (approx.)Display ParametersSingle Function Digital Panel MeterVAF Digital Panel MeterDisplay parameter list1Phase Voltmeter3 phase Voltmeter1Phase Ammeter3Phase AmmeterFrequency MeterVoltageCurrentFrequencyR PhaseY PhaseB PhaseLine voltageAverage R PhaseY PhaseB PhaseAverage VEGA3Display Parameter List VAF MeterVoltageCurrentFrequencyRPM (Rotations per minute)R PhaseY PhaseB PhaseLine voltageAverage R PhaseY PhaseB PhaseAverageParameters Model A Model BModel CV1 V2 V3 V V12 V23 V31avg A1 A2 A3 AavgAnF% Load% A Unbal, % V UnbalPF-tPF-1 PF-2 PF-3RPM (Rotations per minute)Phase Angle A1 A2 A3W1 W2 W3 WsumVA1 VA2 VA3 VAsumVAR1 VAR2 VAR3 VARsumMaximum demand MD VA, MD W, Max Avg ARising demand RD VA (Import & Export), RD W, Avg ATime remaining (Import & Export) for VAHr MD/Max occurred (VA, W, A)Import WhImport VahImport VArh (Lead & Lag)Import run hoursExport WhExport VahExport Varh (Lead & Lag)Export run hoursON hoursINTRNo. of ResetsReset MD VAReset MD WReset Max Avg AImport WhImport VahImport Varh (Lead & Lag)Import run hoursExport WhExport VahExport Varh (Lead & Lag)Export run hoursV V1 V2 V3 - harmonic A A1 A2 A3 - harmonic Modbus slave IDBaud rate value2 Relays for fault trippingInstantaneous ParametersDemand/ LoadParametersCumulative ParametersReset MDReset Cumulative ParametersHarmonicModbusRelays (Optional)VEGA4Multifunction Digital Panel MeterOverall Dimensions (mm)(Common for Single Function, VAF & Multi-Function Panel Meters)

Connection DetailsSingle Function MetersSingle Phase Voltmeter Three Phase VoltmeterSingle Phase AmmeterFrequency Meter123456789101234567891012345678910111213141516171819201112131415161718192011121314151617181920VegaPanelMeterVegaPanelMeterVegaPanelMeterNNNPPPLLNN(AUX. SUPPLY)(AUX. SUPPLY)(AUX. SUPPLY)R NS1S2Three Phase Ammeter1234567891011121314151617181920VegaPanelMeterNP(AUX. SUPPLY)1234567891011121314151617181920VegaPanelMeterNP(AUX. SUPPLY)RRYYBBNNS1S2S1S2 S1S2VEGA59265 9Panel Cutout Dimensions 92 mm x 92 mmAll Dimensions are in mm9696R YB ND-D+RL1NRL1CRL2NRL2CPN (AUX SUPPLY)S2 S1S2 S1S2 S1S2 S11098765432120191817161514131211VegaModelA/B/CVAF MetersNote: Connection of point 17 and 18 is not applicable for Model AD- and D+ are for communication using RS485RL1 and RL2 are relay connectionslllRS485 Connection Diagram3 Phase 3 WireR Y B1098765432120191817161514131211D-D+RL1NRL1CRL2NRL2CPN (AUX SUPPLY)S2 S1S2 S1VegaModelA/B/CMultifunction Meters3 Phase 4 WireR Y B N1234567891011121314151617181920VegaPanelMeterNPAuxSupplyS2S1S2S1S2S1D+D-TerminationResistorRS232 toRS485ConverterPCTerminationResistorVEGA VEGA VEGA VEGA VEGAVEGA6Ordering InformationSingle Function Meters VAF MetersMultifunction MetersVEGA7Type of Meter Cat. No. Relay Current RatingModel AModel BModel C5 A1 A5 A1 A5 A1 AWith RelayWithout RelayWith RelayWithout RelayWith RelayWithout RelayWith RelayWithout RelayWith RelayWithout RelayWith RelayWithout RelayWDM303FDWA0WDM303FDWA1WDM303ODWA0WDM303ODWA1WDM303FDNB0WDM303FDNB1WDM303ODNB0WDM303ODNB1WDM303FDNC0WDM303FDNC1WDM303ODNC0WDM303ODNC1Type Current Rating Cat. No.VAF Meters90-300 V Aux. Supply5 A1 AWDV303FC000WDV303OC000Type of MeterVoltmeterAmmeter(5 A secondary)Ammeter(1 A secondary)Frequency MeterWDS101FEV00WDS301FEV00WDS101FCA00WDS301FCA00WDS101OCA00WDS301OCA00WDS121FCF00Cat. No. 1 Phase / 3 Phase1 Phase Meters3 Phase Meters1 Phase Meters3 Phase Meters1 Phase Meters3 Phase MetersTechnical Specifications:For power For voltageFor currentIEC 62052-11, 62053-21/ IS 137793 Ph 4 W- 415 V AC (-40% to +20%)3 Ph 4 W- 110 V AC (-40% to +20%)3 Ph 3 W- 110 V AC (-40% to +20%)5 A or 1 A (I= 2In) max0.2% in (Class 1.0) 50 Hz 5%< 8 VA in potential circuit< 0.5 VA in current circuitAs Per IEC 62052-11, 62053-21, Test Level: 4 kV, 5k HzAs Per IEC 62052-11, 62053-21, Test Level: 4 kV20 times Ifor 0.5 sec at rated frequency. As per IEC 62053-21maxPlastic moulded protected to IP51- IEC 62052-11, 62053-21/IS 13779 (Class 1.0) (with panel)As per IEC 62052-11, 62053-21 / IS 13779 (Class 1.0) 2 kV AC RMS, 50 Hz for 1 minute as per IEC 62052-116 kV, 1.2/50 sec, as per IEC 62052-11As per IEC 61000-4-11Backlit LCD, 10 mm height digitsClass 1.010%0.5% of readout 2 digitsQUASARQUASAR8Voltage (Vn)Current (In)Starting CurrentFrequencyLoad CharacteristicsElectromagnetic Compatibility:Electrical Fast TransientSurge ImmunityInfluence of Short Time Over CurrentsCase MaterialInsulation Properties:Insulation ResistanceAC voltage TestImpulse VoltageVoltage Dips and InterruptsDisplayPulse OutputTemperatureIntelligent Panel Meter QUASARThemeterisdesignedwithDSPtechnologytocombine measurement of both instantaneous and cumulative values in anelectricalfeeder.Theparametersaredisplayedover22 screensthatcanbescrolledup&downbyfrontpanelpush buttons.lClass 0.5 & 1.0as per IS & IEC standardslkWh, kVArh & kVAhlLCD with back lightlCT/PT ratio programminglRS485 communicationlPhase sequencelHarmonic measurementModelPulses/kWh2,500 / (external CT* PT)12,500 / (external CT* PT)10,000 / (external CT* PT)50,000 / (external CT* PT)o o-10 C to 60 C for operationo o-20 C to 70 C for storage95% RH non condensing 96 x 96 mm - depth 105 mm< 600 gmsVoltage/Current3 Ph 4 W 415 V (L-L) / 5 A3 Ph 4 W 415 V (L-L) / 1 A3 Ph 4 W / 3 W 110 V (L-L) / 5 A3 Ph 4 W / 3 W 110 V (L-L) / 1 AHumidityDimensionWeightAccuracyDisplay Parameters:Screen 1- - - - - - - - - - - - - - - - - - - - - Screen 2- - - - - - - - - - - - - - - - - - - - - Screen 3- - - - - - - - - - - - - - - - - - - - - Screen 4- - - - - - - - - - - - - - - - - - - - - Screen 5- - - - - - - - - - - - - - - - - - - - -Screen 6- - - - - - - - - - - - - - - - - - - - -Screen 7- - - - - - - - - - - - - - - - - - - - -Screen 8- - - - - - - - - - - - - - - - - - - - - Screen 9 - - - - - - - - - - - - - - - - - - - - - Screen 10- - - - - - - - - - - - - - - - - - - - -Screen 11- - - - - - - - - - - - - - - - - - - - - Screen 12 - - - - - - - - - - - - - - - - - - - - -Screen 13- - - - - - - - - - - - - - - - - - - - -Screen 14- - - - - - - - - - - - - - - - - - - - - Screen 15- - - - - - - - - - - - - - - - - - - - -Screen 16- - - - - - - - - - - - - - - - - - - - -Screen 17- - - - - - - - - - - - - - - - - - - - -Screen 18- - - - - - - - - - - - - - - - - - - - -Screen 19- - - - - - - - - - - - - - - - - - - - - Screen 20- - - - - - - - - - - - - - - - - - - - - Screen 21- - - - - - - - - - - - - - - - - - - - - V, A, kWR-Y-B VoltagesR-Y-B CurrentsR-Y-B kWR-Y-B kVArR-Y-B kVAR-Y-B pFR-Y-B Volt anglesR-Y-B Phase angleskW+kVAr+kVAPd+pF+FkWhkVArh (L)kVArh (C)kVAhR ph. Voltage - HarmonicsY ph. Voltage - HarmonicsB ph. Voltage - HarmonicsR ph. Current - HarmonicsY ph. Current - HarmonicsB ph. Current - HarmonicsOverall Dimensions (mm)Panel Cutout 92 x 92 mm112.597.55.690.069.096.096.0QUASAR9Connection Details (Wiring Diagram)R Y BBBBAAAbbbaaaaKKKkkk910111212LLLIII3456MicroControllerCircuitTx+Tx-781 AV (L-N) n63.5 V240 VIn5 AQuasar3 Ph. 4 Wire with CT & without PT3 Ph. 3 Wire with CT & PTR Y BABABabab910111256K kTx+Tx-78K kL lQuasarMicroControllerCircuit3 Ph.3 Wire with CT & without PTR Y BKKkkLLII910111256Tx+Tx-78QuasarMicroControllerCircuitQUASAR103 Ph. 4 Wire with CT & PTMicroControllerCircuitR Y BKKKkkk910111212LLLIII3456NTx+Tx-78Quasar1 AV (L-N) n63.5 V240 VIn5 A1 AV (L-L) n110 VIn5 A1 AV (L-L) n110 VIn5 A3 Ph, 4 W3 Ph, 3 W3 Ph, 4 W3 Ph, 4 W3 Ph, 3 W3 Ph, 4 W WI300FC1300WI300FC13RSWI300FC5300WI300FC53RSWI301FC1300WI301FC13RSWI301FC5300WI301FC53RSWI300FB1300WI300FB13RSWI300FB5300WI300FB53RSWI300FC1200WI300FC12RSWI300FC5200WI300FC52RSWI301FC1200WI301FC12RSWI301FC5200WI301FC52RSWI300FB1200WI300FB12RSWI300FB5200WI300FB52RS1 A5 A1 A5 A1 A5 A1 A5 A1 A5 A1 A5 A240 V ( L-N)110 V ( L-L)240 V ( L-N)110 V ( L-L)Class 1Class 0.5Accuracy Voltage Secondary Current Type RS485 Cat. No.QUASAR11Ordering InformationTechnical Specifications:Display Parameters:llllllCumulative EB energy kWhAverage voltageAverage currentTotal active powerFrequencyPower factorR Phase voltageY Phase voltageB Phase voltageR Phase currentY Phase currentlllllB Phase currentR Phase active powerY Phase active powerB Phase active powerPhase sequencelllllNOVA12EnclosureDimensionConnectionDisplayTypeMeasurementsStarting CurrentClass of AccuracyCurrentVoltage (P-N)FrequencyAuxiliary SupplyWeight Weight with PackagingEngineering plastic complying to IP5196 x 96 mm x 105 mm (HxWxD)Panel cutout: 92 x 92 mm3P 4WBacklit LCDkWh MeterkWh / kW / Frequency / Voltage / Current0.2% of rated current (5 A)Class 1.05 A (rated), 10 A (max)3 x 240 V (-30 % to +20 % ofV Ref)50 Hz 5%88 V to 300 V AC/DC450 gm 5%610 gm 5%Model NOVAThree phase MFM NOVANova is a compact, digital, panel mount meter for kWh measurement. Nova is flush mount 3 Phase 4 Wire CT operated kWh meter with lAccuracy class - 1.0lMeasures kWh & kWlForwarded energy registration in case of current reversallPhase wise Voltage, Current & Power on displaylAverage Voltage & Current on displaylPhase sequence on displaylRS485 MODBUS communicationlAuto & manual display modelUser friendly menu driven LCD displaylField programmable CT/PT ratiolCustomised LCD display & Push Button navigationlScroll lock feature for locking of a desired parameter on displaylLow CT/PT burdenlHigh resolution energylAuxiliary supply 88 V to 300 V AC/DCRS485 MODBUS communication.llMake the CT connections on terminals 1-2 (R-Ph), 3-4 (Y-Ph) and 5-6 (B-Ph)lMake the PT connections on the terminals 9 (R), 10 (Y), 11 (B) and 12 (N)lConnect the Auxiliary Supply (88 V to 300 V AC/DC) to the terminals 13 (-ve) and 14 (+ve) to power ON the meter; it can be done by shorting one phase with auxiliary as shown in the above pictureMeter connection should be done exactly as shown in above diagramsOrdering InformationRY B N1 92 103 114 125 136 147 15 D +D -8 16ln = 1 A ; 5 ARS485Aux. Supply : 88V to 300V AC/DCS1S1S1S2S2S2AUX. SUPPLYAC / DCLN+-Overall Dimensions (mm)Panel Cutout 92 x 92 mm112.597.5 5.690.069.0Connection DetailsNOVA13WM30KFC3CRS 3 Ph 4 W 240 V 5 A with RS485 ( kWh meter with RS485 port ) - NovaCat. No. DescriptionDisplay Parameters:Cumulative Energy kWhOverall Dimensions (mm) 104963Phase 4 WireElectronic Energy MeterkWh10k 1k 100 10 1 0.1Voltage: 3x240V Current: 3x-/5APulse/Unil: 1280 Frequency: 50 HZM.F : 1 Class : 1Manufactured by LARSEN & TOUBRO LIMITED.Acrux8488 996Panel Cutout92 mm X 92 mmAll Dimensions are in mmTechnical Specifications:ACRUX14Counter Type kWh Meter ACRUXThisisanidealproductforcontrolpanelstomeasurekWh energy.Compactnessofthemeterensuresthatitwillfitin smartly into any panel. L&T offers this product in 3 phase 4 wire. lClass 1.0 accuracylActive energy measurementlStepper motor counter displaylPulse output LEDlTerminal covers with sealing provisionAccuracy Voltage Rating Current Rating (Ib) Frequency Maximum Current Starting Current Operating Temperature Display Enclosure Weight MountingClass 1.0 as per IS 13779240 V (3 Phase 4 Wire)5 A & 1 A50 Hz 5%200% of Ib0.4% of Ibo0 to 55 C6 Digit stepper motor counterPolycarbonate500 g (approximate)Flush mountingConnection Details3 P 4 W with CT 240 V-1 A & 5 AR Y B N P1M1L1M2L2M3L3k KILKkILk KNCP0NCP3P2Ordering InformationCat. No.WM301FC1C10WM301FC3C10Description3 Ph 4 W240 V 1 A (kWh meter counter type) - Acrux3 Ph 4 W240 V 5 A (kWh meter counter type) - AcruxACRUX ModelTechnical Specifications:Dual Energy Registers:Two separate energy registers are provided, one for EB (Electricity Board supply) and another for G (Generator Supply). Normally meter accumulates energy in EB register. Whenever the DG sensing signal (18 to 60 V DC /80 to 300 V AC) is present, meter accumulates energy in G register. Separate LED indication is provided on the meter front Panel, which glows when DG sensing signal is present.Display Parameters:lllllCumulative EB energy kWhCumulative gen. energy kWhAverage voltageAverage currentTotal active powerFrequencyR Phase voltageY Phase voltageB Phase voltageR Phase currentlllllllllllY Phase currentB Phase currentR Phase active powerY Phase active powerB Phase active powerPhase sequenceGEMiNi15EnclosureDimensionConnectionDisplayTypeMeasurementsStarting CurrentClass of AccuracyCurrentVoltage (P-N)FrequencyAuxiliary SupplyDG Sensing InputWeight Weight with PackagingEngineering plastic complying to IP5196 x 96 mm x 105 mm (HxWxD)Panel cutout: 92 x 92 mm3 P 4 WBacklit LCDkWh MeterkWh / kW / Frequency / Voltage / Current0.2% of rated current (5 A)Class 1.05 A (rated), 10 A (max)3 x 240 V (-30 % to +20 % ofV Ref)50 Hz 5%88 V to 300 V AC/DC18 V-60 V DC/80 V-300 V AC470 gm 5%630 gm 5%Model GEMiNiDual Source Meter GEMiNiAninnovativepanelmeterdesignedfordualsourceenergymeasurement.Itservesasareplacementfortwoseparate energy meters necessary for metering same application with dual energy sources.lClass 1.0 accuracy as per IS & IEC standardslDual energy register for dual energy sourcelRS485 MODBUS communicationlField programmable CT, PT Values & Meter IDlllllMeter connection should be done exactly as shown in above diagramMake the CT connections on terminals 1-2 (R-Ph), 3-4 (Y-Ph) and 5-6 (B-Ph)Make the PT connections on the terminals 9 (R), 10 (Y), 11 (B) and 12 (N)Connect the Auxiliary Supply (88 V to 300 V AC/DC) to the terminals 13 (-ve) and 14 (+ve) to power ON the meter; it can be done by shorting one phase with auxiliary as shown in the above pictureConnect the DG sensing input (18 V-60 V DC/80 V-300 V AC) on terminal 15 (-ve) & 16 (+ve)Ordering Information12345678S1S1S1S2S2S2D+D-RS485In1ADG SENINGAUX. SUPPLYAC/DCAC/DC5AAux. Supply : 88 V to 300 V AC/DCDG Sensing Input : 18 V-60 V DC / 80 V-300 V ACR Y B N910111213141516DGLNOverall Dimensions (mm) Panel Cutout 92 x 92 mmConnection Details112.597.5 5.690.069.0GEMiNi16Cat. No. DescriptionWM30DFC3CRS 3 Ph 4 W 240 V 5 A with RS485 (Dual source kWh meter) - GEMiNi17mi-ENERGY mi-ENERGYmi-ENERGY is L&T's DIN rail mounted meter. Availablein3phaseand1phasemodels,thesemeterscanbe mountedinsidedistributionboxestomonitorelectric consumption of identified loads, circuits and areas.LCD displayClass 2 accuracyDisplays day, week, month and push-to-push kWh consumptionPush Button for parameter scrollingLow starting currentReverse current indication*Compact size and easy mounting* For 3 Phase MeterlllllllDisplay ParametersParameters 3-Phase Meter 1-Phase MeterPhase voltage Phase current Power factor Active power Reactive power Apparent power Frequency Present month Previous month Total Present day Present week Present month Push-to-push Previous day Previous week Previous month MaximumDemandkWhConsumptionInstantaneousParameters18TypeHeightClass of accuracyMeasurement circuit burdenRated VoltageCurrentStarting currentVoltage range for class of accuracyCurrent range for class of accuracyInput frequency rangeImpulse voltage testAC voltage testInsulation resistanceTest of power consumptionVoltage dips and interruptsShort timeover current protection6 digit LCD6 mm (10 mm in case of 3 Phase meter)Class 2 as per IEC 62053-21