CTs: Current Transformers Order form - studiecd.dk
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Medium Voltage DistributionIndoor instrumenttrans<strong>form</strong>ers<strong>Current</strong> trans<strong>form</strong>ersVoltage trans<strong>form</strong>ersCatalogue2008

<strong>CTs</strong>: <strong>Current</strong> <strong>Trans<strong>form</strong>ers</strong>Selection guideTechnical descriptionDE52454<strong>Current</strong> trans<strong>form</strong>ers (CT) meet standardIEC 60044-1.Their function is to supply the secondarycircuit with a current that is proportional tothat of the MV circuit on which they areinstalled.The primary is series-mounted onthe MV network and subject to the sameover-currents as the latter and withstandsthe MV voltage.The secondary generally has one of itsterminals connected to earth.The secondary must never be in an opencircuit (short circuit).Wound type primary currenttrans<strong>form</strong>erDE52455Closed core type currenttrans<strong>form</strong>er<strong>Current</strong> trans<strong>form</strong>ers<strong>Current</strong> trans<strong>form</strong>ers have two basic functions:b adapting the MV current value at the primary to the characteristics of the meteringor protection devices by supplying a secondary current with a reduced, butproportional current valueb isolating power circuits from the metering and/or protection circuit.Composition and typesA current trans<strong>form</strong>er comprises a primary circuit and a secondary circuit connectedvia a magnetic core and an insulating coating system in epoxy-silica, in the case ofSchneider Electric trans<strong>form</strong>ers.The device is of the following type:b wound: when the primary and the secondary have a coil wound on the magneticcircuitb slip-over: primary made up of a conductor that is not insulated from the installationb core: primary made up of an insulated cable.CharacteristicsThese are defi ned in standard IEC 60044-1.InsulationCharacterized by the rated voltage:b of the insulation, which is that of the installation (e.g.: 24 kV)b of the power frequency withstand 1 min (e.g.: 50 kV)b of the impulse withstand (e.g.: 125 kV).Rated frequency50 or 60 Hz.Rated primary current (Ipn)Rms value of the maximum continuous primary current. Usual values are 25, 50, 75,100, 200, 400, 600 A.Rated secondary current (Isn)This is equal to 1 A or 5 A.Rated trans<strong>form</strong>ation ratioKn = I rated primary / I rated secondary (e.g.: 100 A / 5 A)Short-time thermal current Ith - 1 secondThis characterizes the thermal withstand under short circuit conditions for 1 second.It is expressed in kA or in a multiple of the rated primary current (e.g.: 80 x Ipn)for 1 second.The value for a duration that is different to 1 second is given by:I’th = Ith/2For example 16 kA - 1 s is equivalent for 2 s to I’th = 16 x 2 = 22.6 kA.5

<strong>CTs</strong>: <strong>Current</strong> <strong>Trans<strong>form</strong>ers</strong>Selection guideTechnical description (cont.)Characteristics (cont.)Short-time thermal current peak valueThis value is standardized from Ith - 1 s at:b IEC: 2.5 Ith at 50 Hz and 2.6 Ith at 60 Hzb ANSI: 2.7 Ith 60 Hz.Accuracy loadThe value of the load on which is based the metered current accuracy conditions.Accuracy power PnApparent power (VA) that the CT can supply on the secondary for the ratedsecondary current for which the accuracy is guaranteed (accuracy load).Usual values 5 - 7.5 - 10 - 15 VA (IEC).Accuracy classDefi nes the limits of error guaranteed on the trans<strong>form</strong>ation ratio and on the phaseshift under the specifi ed conditions of power and current. Classes 0.5 and 1 are usedfor metering class P for protection.<strong>Current</strong> error ε (%)Error that the trans<strong>form</strong>er introduces in the measurement of a current when thetrans<strong>form</strong>ation ratio is different from the rated value.Phase shift or phase error ψ (minute)Difference in phase between the primary and secondary currents, in angle minutes.Table of current trans<strong>form</strong>er characteristicsCharacteristicsRated valuesRated voltage (kV) 7.2 12 17.5 24 36Insulation level:b power frequency withstand (kV) 1 minb lightning impulse withstand (kV - peak)20602875389550125Frequency (Hz) 50 - 60Primary current Ipn (A) 25 - 50 - 75 - 100 - 200 - 400 - 600...Short-time thermal current Ith (1 s)12.5 - 16 - 20 - 25 - 31.5 - 40 - 50 kAor40 - 80 - 100 - 200 - 300 x InSecondary current Isn (A) 1 - 5Accuracy power Pn (VA) 2.5 - 5 - 7.5 - 10 - 15701706

<strong>CTs</strong>: <strong>Current</strong> <strong>Trans<strong>form</strong>ers</strong>Selection guideUsing the order <strong>form</strong>sThe tables on the following pages allow you to defi ne the current trans<strong>form</strong>erreference that corresponds to the necessary and required characteristics,and to place your order.The selection factors enabling you to fi nd the reference you require are explainedin the example given below for a DIN type metering CT, in reference to the previousdefi nitions.Networkinsulation 12 kVRated primarycurrent 75 Aand secondaryoutput 5 AShort-timethermal currentMV side31.5 A - 1 sPower supplied to thesecondary 15 VA.Accuracy class0.5 defi nes the meteringerror limits.The safety factor is < 10Mark thequantity tobe orderedDE58001Insulation level and frequencyUr 12 kVUd 28 kV - 1 minUp 75 kV peakTrans<strong>form</strong>ationratioA / AShort-time Power, accuracy class,thermal current safety factor FSkA x 1 sType Reference Quantity50 / 5 12.5 15 VA cl. 0.5 Fs < 10 AD12 03811366N016 AD12 03811368N075 / 5 25 AD12 03811371N031.5 AD12 03811373N0fr 50/60 Hz 100 / 5 25 AD12 03811376N031.5 AD12 03811378N0200 / 5 25 AD12 03811380N031.5 AD12 03811382N040 AD12 03811384N0400 / 5 40 AD12 03811386N0600 / 5 50 20 VA cl. 0.5 Fs < 10 AD12 03811388N0750 / 5 50 AD12 03811390N0AD12N1 AD13N1 1000 / 5 50 30 VA cl. 0.5 Fs < 10 AD13 03811392N0Dimensions page 21 1250 / 5 50 AD13 03811394N0DE58002Calculating the power (VA)Indicative metering consumptionsDeviceAmmeter Electromagnetic 3Electronic 1Transducer Self-powered 3External powered 1Meter Induction 2Electronic 1Wattmeter, varmeter 1Indicative protection consumptionDeviceStatic over-current relay 0.2 to 1Electromagnetic over-current relay 1 to 8Indicative secondary cabling consumptionCables (mm 2 )Max. consumptionin VA (per circuit)Max. consumptionin VA (per circuit)Consumption (VA/m)1 A 5 A2.5 0.008 0.24 0.005 0.136 0.003 0.0910 0.002 0.0511

<strong>CTs</strong>: <strong>Current</strong> <strong>Trans<strong>form</strong>ers</strong><strong>Order</strong> <strong>form</strong>DIN standard 12 kV CT -single and double secondaryDE58001DE58001DE58001Insulation level and frequencyUr 12 kVUd 28 kV - 1 minUp 75 kV peakfr 50/60 HzDE58002Trans<strong>form</strong>ationratioA / ASingle secondary metering CTShort-timethermalcurrentkA x 1 sPower, accuracy class,safety factor FSType Reference Qty50 / 5 12.5 15 VA cl. 0.5 Fs < 10 AD12/N1 03811366N016 AD12/N1 03811368N075 / 5 25 AD12/N1 03811371N031.5 AD12/N1 03811373N0100 / 5 25 AD12/N1 03811376N031.5 AD12/N1 03811378N0200 / 5 25 AD12/N1 03811380N031.5 AD12/N1 03811382N040 AD12/N1 03811384N0400 / 5 40 AD12/N1 03811386N0600 / 5 50 20 VA cl. 0.5 Fs < 10 AD12/N1 03811388N0750 / 5 50 AD12/N1 03811390N0AD12 AD13 1000 / 5 50 30 VA cl. 0.5 Fs < 10 AD13/N1 03811392N0Dimensions page 21 1250 / 5 50 AD13/N1 03811394N0Insulation level and frequencyUr 12 kVUd 28 kV - 1 minUp 75 kV peakfr 50/60 HzDE58002Trans<strong>form</strong>ationratioA / ASingle secondary protection CTShort-timethermalcurrentkA x 1 sPower and accuracy class(possible double use)Type Reference Qty50 / 5 12.5 15 VA 5P10 - 7.5 VA 5P20 AD12/N1 03811367N016 AD12/N1 03811369N025 7.5 VA 5P10 AD12/N1 03811370N075 / 5 25 15 VA 5P10 - 7.5 VA 5P20 AD12/N1 03811372N031.5 7.5 VA 5P10 AD12/N1 03811374N040 AD12/N1 03811375N0100 / 5 25 15 VA 5P10 - 7.5 VA 5P20 AD12/N1 03811377N031.5 AD12/N1 03811379N040 7.5 VA 5P10 AD12/N1 03811839N0200 / 5 25 15 VA 5P10 - 7.5 VA 5P20 AD12/N1 03811381N031.5 AD12/N1 03811383N040 AD12/N1 03811385N0400 / 5 40 AD12/N1 03811387N0600 / 5 50 AD12/N1 03811389N0750 / 5 50 AD12/N1 03811391N0AD12 AD13 1000 / 5 50 10 VA 5P20 AD13/N1 03811393N0Dimensions page 21 1250 / 5 50 AD13/N1 03811395N0Insulation leveland frequencyUr 12 kVUd 28 kV - 1 minUp 75 kV peakfr 50/60 HzTrans<strong>form</strong>ationratioA / ADouble secondary metering and protection CTShort-time Metering secondary: Metering secondary: Type Reference Qtythermal current power, accuracy power and accuracykA x 1 s class, safety factor class (possibleFSdouble use)50 / 5-5 12.5 7.5 VA cl. 0.5 Fs < 10 7.5 VA 5P10 AD12/N2 03811396N016 AD12/N2 03811397N075 / 5-5 16 AD12/N2 03811398N025 AD12/N2 03811399N0100 / 5-5 25 AD12/N2 03811400N031.5 AD12/N2 03811401N0200 / 5-5 25 15 VA cl. 0.5 Fs < 10 15 VA 5P10 - 7.5 VA AD12/N2 03811402N05P2031.5 AD12/N2 03811403N040 7.5 VA cl. 0.5 Fs < 10 7.5 VA 5P10 AD12/N2 03811404N0400 / 5-5 40 15 VA cl. 0.5 Fs < 10 15 VA 5P10 - 7.5 VA AD12/N2 03811405N05P20600 / 5-5 50 20 VA cl. 0.5 Fs < 10 AD12/N2 03811406N0AD12 750 / 5-5 50 AD12/N2 03811407N0Dimensions page 21 1000 / 5-5 50 30 VA cl. 0.5 Fs < 10 10 VA 5P20 AD13/N2 03811408N01250 / 5-5 50 AD13/N2 03811409N012

<strong>CTs</strong>: <strong>Current</strong> <strong>Trans<strong>form</strong>ers</strong><strong>Order</strong> <strong>form</strong>DIN standard 24 kV CT -single secondaryDE58003DE58005DE58003DE58005Insulation level and frequencyUr 24 kVUd 50 kV - 1 minUp 125 kV peakfr 50/60 HzDE58004Trans<strong>form</strong>ationratioA / ASingle secondary metering CTShort-timethermalcurrentkA x 1 sPower, accuracy class,safety factor FSType Reference Qty25 / 5 16 15 VA cl. 0.5 Fs < 10 AD22/N1 03811410N020 AD22/N1 03811413N050 / 5 20 AD21/N1 03811416N020 AD22/N1 03811419N020 AD22/N1 03811421N075 / 5 16 AD21/N1 03811424N025 AD21/N1 03811427N031.5 AD21/N1 03811430N040 AD22/N1 03811433N0100 / 5 25 AD21/N1 03811436N031.5 AD21/N1 03811439N040 AD22/N1 03811442N0200 / 5 25 AD21/N1 03811443N0AD21 AD22 31.5 AD21/N1 03811445N040 AD21/N1 03811447N0400 / 5 40 AD21/N1 03811450N0600 / 5 50 20 VA cl. 0.5 Fs < 10 AD21/N1 03811452N0750 / 5 50 AD21/N1 03811454N01000 / 5 50 30 VA cl. 0.5 Fs < 10 AD23/N1 03811456N01250 / 5 50 AD23/N1 03811458N01500 / 5 50 AD23/N1 03811460N0AD23 2000 / 5 50 AD23/N1 03811462N0Dimensions page 21 2500 / 5 50 AD23/N1 03811464N0Insulation level and frequencyUr 24 kVUd 50 kV - 1 minUp 125 kV peakfr 50/60 HzDE58004Trans<strong>form</strong>ationratioA / ASingle secondary protection CTShort-timethermalcurrentkA x 1 sPower and accuracy class(possible double use)Type Reference Qty25 / 5 16 7.5 VA 5P10 AD22/N1 03811411N016 15 VA 5P10 - 7.5 VA 5P20 ARJD/N1 03811412N020 7.5 VA 5P10 AD22/N1 03811414N020 15 VA 5P10 - 7.5 VA 5P20 ARJD/N1 03811415N050 / 5 20 7.5 VA 5P10 AD21/N1 03811417N016 15 VA 5P10 - 7.5 VA 5P20 AD22/N1 03811418N020 AD22/N1 03811420N020 ARJD/N1 03811422N020 7.5 VA 5P10 ARJD/N1 03811423N075 / 5 16 AD21/N1 03811425N016 15 VA 5P10 - 7.5 VA 5P20 AD22/N1 03811426N025 7.5 VA 5P10 AD21/N1 03811428N025 15 VA 5P10 - 7.5 VA 5P20 AD22/N1 03811429N031.5 7.5 VA 5P10 AD21/N1 03811431N031.5 15 VA 5P10 - 7.5 VA 5P20 AD22/N1 03811432N040 7.5 VA 5P10 AD22/N1 03811434N040 15 VA 5P10 - 7.5 VA 5P20 ARJD/N1 03811435N0100 / 5 25 7.5 VA 5P10 AD21/N1 03811437N025 15 VA 5P10 - 7.5 VA 5P20 AD22/N1 03811438N031.5 7.5 VA 5P10 AD21/N1 03811440N031.5 15 VA 5P10 - 7.5 VA 5P20 AD22/N1 03811441N0200 / 5 25 AD21/N1 03811444N0AD21 AD22 31.5 AD21/N1 03811446N040 7.5 VA 5P10 AD21/N1 03811448N040 15 VA 5P10 - 7.5 VA 5P20 AD22/N1 03811449N0400 / 5 40 AD21/N1 03811451N0600 / 5 50 AD21/N1 03811453N0750 / 5 50 AD21/N1 03811455N01000 / 5 50 10 VA 5P20 AD23/N1 03811457N01250 / 5 50 AD23/N1 03811459N01500 / 5 50 15 VA 5P20 AD23/N1 03811461N0AD23 ARJD 2000 / 5 50 AD23/N1 03811463N0Dimensions page 21 2500 / 5 50 AD23/N1 03811465N0DE5800413

<strong>CTs</strong>: <strong>Current</strong> <strong>Trans<strong>form</strong>ers</strong><strong>Order</strong> <strong>form</strong>DIN standard 24 kV CT -double secondaryDE58003DE58005DE58004Insulation leveland frequencyUr 24 kVUd 50 kV - 1 minUp 125 kV peakfr 50/60 HzTrans<strong>form</strong>ationratioA / AShort-timethermal currentkA x 1 sDouble secondary metering and protection CTMetering secondary: Metering secondary: Type Reference Qtypower, accuracy power and accuracyclass, safety factor class (possible doubleFSuse)25 / 5-5 16 7.5 VA cl. 0.5 Fs < 10 7.5 VA 5P10 AD22/N2 03811466N020 ARJD/N2 03811467N050 / 5-5 16 AD21/N2 03811468N016 15 VA 5P10 - 7.5 VA 5P20 ARJD/N2 03811469N025 7.5 VA 5P10 AD22/N2 03811470N025 15 VA cl. 0.5 Fs < 10 15 VA 5P10 - 7.5 VA 5P20 ARJD/N2 03811471N031.5 7.5 VA cl. 0.5 Fs < 10 7.5 VA 5P10 ARJD/N2 03811472N075 / 5-5 16 15 VA cl. 0.5 Fs < 10 15 VA 5P10 - 7.5 VA 5P20 AD21/N2 03811473N025 AD21/N2 03811474N031.5 7.5 VA cl. 0.5 Fs < 10 7.5 VA 5P10 AD22/N2 03811475N031.5 15 VA cl. 0.5 Fs < 10 15 VA 5P10 - 7.5 VA 5P20 ARJD/N2 03811476N040 7.5 VA cl. 0.5 Fs < 10 7.5 VA 5P10 ARJD/N2 03811477N0100 / 5-5 25 15 VA cl. 0.5 Fs < 10 15 VA 5P10 - 7.5 VA 5P20 AD21/N2 03811478N0AD21 31.5 7.5 VA cl. 0.5 Fs < 10 7.5 VA 5P10 AD21/N2 03811479N031.5 15 VA cl. 0.5 Fs < 10 15 VA 5P10 - 7.5 VA 5P20 AD22/N2 03811480N040 7.5 VA cl. 0.5 Fs < 10 7.5 VA 5P10 AD22/N2 03811481N040 15 VA cl. 0.5 Fs < 10 15 VA 5P10 - 7.5 VA 5P20 ARJD/N2 03811482N0200 / 5-5 31.5 AD21/N2 03811483N040 AD21/N2 03811484N040 7.5 VA cl. 0.5 Fs < 10 7.5 VA 5P10 AD21/N2 03811485N040 15 VA cl. 0.5 Fs < 10 15 VA 5P10 - 7.5 VA 5P20 AD22/N2 03811486N0AD23 400 / 5-5 40 AD21/N2 03811487N0600 / 5-5 40 20 VA cl. 0.5 Fs < 10 AD21/N2 03811488N0750 / 5-5 40 AD21/N2 03811489N01000 / 5-5 40 30 VA cl. 0.5 Fs < 10 AD23/N2 03811490N01250 / 5-5 40 AD23/N2 03811491N01500 / 5-5 40 AD23/N2 03811492N02000 / 5-5 40 AD23/N2 03811493N02500 / 5-5 40 AD23/N2 03811494N0ARJDDimensions page 2114

<strong>CTs</strong>: <strong>Current</strong> <strong>Trans<strong>form</strong>ers</strong><strong>Order</strong> <strong>form</strong>24 kV primary conductor support CT -single secondaryDE58006DE58008DE58006DE58007DE58008Insulation level and frequencyUr 24 kVUd 50 kV - 1 minUp 125 kV peakfr 50/60 HzDE58007Trans<strong>form</strong>ationratioA / ASingle secondary metering CTShort-timethermalcurrentkA x 1 sPower, accuracy class,safety factor FSType Reference Qty25 / 5 16 15 VA cl. 0.5 Fs < 10 ARJM2/N1J 03811495N025 ARJM2/N1J 03811498N050 / 5 16 ARJP1/N1J 03811501N025 ARJM2/N1J 03811504N031.5 ARJM2/N1J 03811507N075 / 5 25 ARJP1/N1J 03811510N031.5 ARJP1/N1J 03811513N040 ARJM2/N1J 03811516N0100 / 5 25 ARJP1/N1J 03811519N031.5 ARJP1/N1J 03811522N040 ARJM2/N1J 03811525N0200 / 5 25 ARJP1/N1J 03811526N031.5 ARJP1/N1J 03811528N0ARJM2 ARJP1 40 ARJP1/N1J 03811530N0400 / 5 40 ARJP1/N1J 03811533N0600 / 5 50 20 VA cl. 0.5 Fs < 10 ARJP1/N1J 03811535N0750 / 5 50 ARJP1/N1J 03811537N01000 / 5 50 30 VA cl. 0.5 Fs < 10 ARJP3/N1J 03811539N01250 / 5 50 ARJP3/N1J 03811541N01500 / 5 50 ARJA1/N1J 03811543N02000 / 5 50 ARJA1/N1J 03811545N0ARJP3 ARJA1 2500 / 5 50 ARJA1/N1J 03811547N0Dimensions page 22Insulation level and frequencyUr 24 kVUd 50 kV - 1 minUp 125 kV peakfr 50/60 HzDE58009DE58006Trans<strong>form</strong>ationratioA / ASingle secondary protection CTShort-timethermalcurrentkA x 1 sPower and accuracy class(possible double use)Type Reference Qty25 / 5 16 7.5 VA 5P10 ARJM2/N1J 03811496N016 15 VA 5P10 - 7.5 VA 5P20 ARJH/N1J 03811497N025 7.5 VA 5P10 ARJM2/N1J 03811499N025 15 VA 5P10 - 7.5 VA 5P20 ARJH/N1J 03811500N050 / 5 16 7.5 VA 5P10 ARJP1/N1J 03811502N016 15 VA 5P10 - 7.5 VA 5P20 ARJP2/N1J 03811503N025 7.5 VA 5P10 ARJP2/N1J 03811505N025 15 VA 5P10 - 7.5 VA 5P20 ARJM2/N1J 03811506N031.5 ARJH/N1J 03811508N040 7.5 VA 5P10 ARJH/N1J 03811509N075 / 5 25 ARJP1/N1J 03811511N025 15 VA 5P10 - 7.5 VA 5P20 ARJP2/N1J 03811512N031.5 7.5 VA 5P10 ARJP2/N1J 03811514N031.5 15 VA 5P10 - 7.5 VA 5P20 ARJM2/N1J 03811515N040 7.5 VA 5P10 ARJP2/N1J 03811517N0ARJM2 ARJH 40 15 VA 5P10 - 7.5 VA 5P20 ARJH/N1J 03811518N0100 / 5 25 7.5 VA 5P10 ARJP1/N1J 03811520N025 15 VA 5P10 - 7.5 VA 5P20 ARJP2/N1J 03811521N031.5 7.5 VA 5P10 ARJP1/N1J 03811523N031.5 15 VA 5P10 - 7.5 VA 5P20 ARJP2/N1J 03811524N040 7.5 VA 5P10 ARJP2/N1J 03811840N040 15 VA 5P10 - 7.5 VA 5P20 ARJH/N1J 03811841N0200 / 5 31.5 ARJP1/N1J 03811527N040 ARJP1/N1J 03811529N0ARJP1 ARJP2 40 7.5 VA 5P10 ARJP1/N1J 03811531N040 15 VA 5P10 - 7.5 VA 5P20 ARJP2/N1J 03811532N0400 / 5 40 ARJP1/N1J 03811534N0600 / 5 50 ARJP1/N1J 03811536N0750 / 5 50 ARJP1/N1J 03811538N01000 / 5 50 10 VA 5P20 ARJP3/N1J 03811540N01250 / 5 50 ARJP3/N1J 03811542N01500 / 5 50 15 VA 5P20 ARJA1/N1J 03811544N0ARJP3 ARJA1 2000 / 5 50 ARJA1/N1J 03811546N0Dimensions page 22 2500 / 5 50 ARJA1/N1J 03811548N0DE58010DE5800915

<strong>CTs</strong>: <strong>Current</strong> <strong>Trans<strong>form</strong>ers</strong><strong>Order</strong> <strong>form</strong>24 kV primary conductor support CT -double secondaryDE58006DE58010DE58006Insulation leveland frequencyUr 24 kVUd 50 kV - 1 minUp 125 kV peakfr 50/60 HzTrans<strong>form</strong>ationratioA / AShort-timethermal currentkA x 1 sDouble secondary metering and protection CTMetering secondary: Metering secondary: Type Reference Qtypower, accuracy power and accuracyclass, safety factor class (possible doubleFSuse)25 / 5-5 12.5 7.5 VA cl. 0.5 Fs < 10 7.5 VA 5P10 ARJH/N2J 03811549N020 ARJH/N2J 03811550N050 / 5-5 16 ARJP2/N2J 03811551N016 15 VA cl. 0.5 Fs < 10 15 VA 5P10 - 7.5 VA 5P20 ARJM2/N2J 03811552N025 7.5 VA cl. 0.5 Fs < 10 7.5 VA 5P10 ARJP2/N2J 03811553N025 15 VA cl. 0.5 Fs < 10 15 VA 5P10 - 7.5 VA 5P20 ARJH/N2J 03811554N031.5 ARJH/N2J 03811555N075 / 5-5 16 7.5 VA cl. 0.5 Fs < 10 7.5 VA 5P10 ARJP2/N2J 03811556N016 15 VA cl. 0.5 Fs < 10 15 VA 5P10 - 7.5 VA 5P20 ARJM2/N2J 03811557N025 7.5 VA cl. 0.5 Fs < 10 7.5 VA 5P10 ARJP2/N2J 03811558N025 15 VA cl. 0.5 Fs < 10 15 VA 5P10 - 7.5 VA 5P20 ARJM2/N2J 03811559N031.5 7.5 VA cl. 0.5 Fs < 10 7.5 VA 5P10 ARJP2/N2J 03811560N031.5 15 VA cl. 0.5 Fs < 10 15 VA 5P10 - 7.5 VA 5P20 ARJH/N2J 03811561N040 7.5 VA cl. 0.5 Fs < 10 7.5 VA 5P10 ARJH/N2J 03811562N0ARJH 100 / 5-5 25 ARJP2/N2J 03811563N025 15 VA cl. 0.5 Fs < 10 15 VA 5P10 - 7.5 VA 5P20 ARJM2/N2J 03811564N031.5 7.5 VA cl. 0.5 Fs < 10 7.5 VA 5P10 ARJP2/N2J 03811565N031.5 15 VA cl. 0.5 Fs < 10 15 VA 5P10 - 7.5 VA 5P20 ARJH/N2J 03811566N040 7.5 VA cl. 0.5 Fs < 10 7.5 VA 5P10 ARJP2/N2J 03811567N040 15 VA cl. 0.5 Fs < 10 15 VA 5P10 - 7.5 VA 5P20 ARJH/N2J 03811568N0200 / 5-5 25 ARJP2/N2J 03811569N031.5 ARJP2/N2J 03811570N0ARJP2 40 7.5 VA cl. 0.5 Fs < 10 7.5 VA 5P10 ARJP2/N2J 03811571N040 15 VA cl. 0.5 Fs < 10 15 VA 5P10 - 7.5 VA 5P20 ARJH/N2J 03811572N0400 / 5-5 40 ARJP2/N2J 03811573N0600 / 5-5 40 20 VA cl. 0.5 Fs < 10 ARJP2/N2J 03406314F0750 / 5-5 40 ARJP2/N2J 03406332F01000 / 5-5 50 30 VA cl. 0.5 Fs < 10 10 VA 5P20 ARJP3/N2J 03406333F01250 / 5-5 50 ARJP3/N2J 03406315F01500 / 5-5 50 15 VA 5P20 ARJA1/N2J 03406335F02000 / 5-5 50 ARJA1/N2J 03406336F0ARJM2 2500 / 5-5 50 ARJA1/N2J 03406337F0DE58008ARJP3DE58009ARJA1Dimensions page 2216

<strong>CTs</strong>: <strong>Current</strong> <strong>Trans<strong>form</strong>ers</strong><strong>Order</strong> <strong>form</strong>36 kV primary conductor support CT -single secondaryDE58011DE58011Insulation level and frequencyUr 36 kVUd 70 kV - 1 minUp 170 kV peakfr 50/60 HzDE58012Trans<strong>form</strong>ationratioA / ASingle secondary metering CTShort-timethermalcurrentkA x 1 sPower, accuracy class,safety factor FSType Reference Qty25 / 5 16 15 VA cl. 0.5 Fs < 10 ARM6T/N1 03811574N020 ARM6T/N1 03811577N050 / 5 16 ARM6T/N1 03811580N025 ARM6T/N1 03811582N031.5 ARM6T/N1 03811584N075 / 5 25 ARM6T/N1 03811588N031.5 ARM6T/N1 03811590N040 ARM6T/N1 03811592N0100 / 5 25 ARM6T/N1 03811595N031.5 ARM6T/N1 03811597N040 ARM6T/N1 03811599N0200 / 5 25 ARM6T/N1 03811602N031.5 ARM6T/N1 03811604N040 ARM6T/N1 03811606N0400 / 5 40 ARM6T/N1 03811608N0600 / 5 40 20 VA cl. 0.5 Fs < 10 ARM6T/N1 03811610N0750 / 5 40 ARM6T/N1 03811612N01000 / 5 40 30 VA cl. 0.5 Fs < 10 ARM9T/N1 03811614N01250 / 5 40 ARM9T/N1 03811616N01500 / 5 40 ARM9T/N1 03811618N0ARM6T ARM9T 2000 / 5 40 ARM9T/N1 03811620N0Dimensions page 23 2500 / 5 40 ARM9T/N1 03811622N0Insulation level and frequencyUr 36 kVUd 70 kV - 1 minUp 170 kV peakfr 50/60 HzDE58012Trans<strong>form</strong>ationratioA / ASingle secondary protection CTShort-timethermalcurrentkA x 1 sPower and accuracy class(possible double use)Type Reference Qty25 / 5 16 7.5 VA 5P10 ARM6T/N1 03811575N016 15 VA 5P10 - 7.5 VA 5P20 ARM9T/N1 03811576N020 7.5 VA 5P10 ARM6T/N1 03811578N020 15 VA 5P10 - 7.5 VA 5P20 ARM9T/N1 03811579N050 / 5 16 ARM6T/N1 03811581N025 ARM6T/N1 03811583N031.5 7.5 VA 5P10 ARM6T/N1 03811585N031.5 15 VA 5P10 - 7.5 VA 5P20 ARM9T/N1 03811586N040 7.5 VA 5P10 ARM9T/N1 03811587N075 / 5 25 15 VA 5P10 - 7.5 VA 5P20 ARM6T/N1 03811589N031.5 ARM6T/N1 03811591N040 7.5 VA 5P10 ARM6T/N1 03811593N040 15 VA 5P10 - 7.5 VA 5P20 ARM9T/N1 03811594N0100 / 5 25 ARM6T/N1 03811596N031.5 ARM6T/N1 03811598N040 7.5 VA 5P10 ARM6T/N1 03811600N040 15 VA 5P10 - 7.5 VA 5P20 ARM9T/N1 03811601N0200 / 5 25 ARM6T/N1 03811603N031.5 ARM6T/N1 03811605N040 ARM6T/N1 03811607N0400 / 5 40 ARM6T/N1 03811609N0600 / 5 40 ARM6T/N1 03811611N0750 / 5 40 ARM6T/N1 03811613N01000 / 5 40 10 VA 5P20 ARM9T/N1 03811615N01250 / 5 40 ARM9T/N1 03811617N01500 / 5 40 15 VA 5P20 ARM9T/N1 03811619N0ARM6T ARM9T 2000 / 5 40 ARM9T/N1 03811621N0Dimensions page 23 2500 / 5 40 ARM9T/N1 03811623N017

<strong>CTs</strong>: <strong>Current</strong> <strong>Trans<strong>form</strong>ers</strong><strong>Order</strong> <strong>form</strong>36 kV primary conductor support CT -double secondaryDE58011DE58012Insulation leveland frequencyUr 36 kVUd 70 kV - 1 minUp 170 kV peakfr 50/60 HzTrans<strong>form</strong>ationratioA / AShort-timethermal currentkA x 1 sDouble secondary metering and protection CTMetering secondary: Metering secondary: Type Reference Qtypower, accuracy power and accuracyclass, safety factor class (possible doubleFSuse)25 / 5-5 16 7.5 VA cl. 0.5 Fs < 10 7.5 VA 5P10 ARM6T/N2 03811624N020 ARM9T/N2 03811625N050 / 5-5 16 ARM6T/N2 03811626N016 15 VA cl. 0.5 Fs < 10 15 VA 5P10 - 7.5 VA 5P20 ARM9T/N2 03811627N025 7.5 VA cl. 0.5 Fs < 10 7.5 VA 5P10 ARM6T/N2 03811628N025 15 VA cl. 0.5 Fs < 10 15 VA 5P10 - 7.5 VA 5P20 ARM9T/N2 03811629N031.5 7.5 VA cl. 0.5 Fs < 10 7.5 VA 5P10 ARM9T/N2 03811630N075 / 5-5 25 ARM6T/N2 03811631N025 15 VA cl. 0.5 Fs < 10 15 VA 5P10 - 7.5 VA 5P20 ARM9T/N2 03811632N031.5 7.5 VA cl. 0.5 Fs < 10 7.5 VA 5P10 ARM6T/N2 03811633N031.5 15 VA cl. 0.5 Fs < 10 15 VA 5P10 - 7.5 VA 5P20 ARM9T/N2 03811634N040 7.5 VA cl. 0.5 Fs < 10 7.5 VA 5P10 ARM9T/N2 03811635N0100 / 5-5 25 ARM6T/N2 03811636N025 15 VA cl. 0.5 Fs < 10 15 VA 5P10 - 7.5 VA 5P20 ARM9T/N2 03811637N031.5 7.5 VA cl. 0.5 Fs < 10 7.5 VA 5P10 ARM6T/N2 03811638N031.5 15 VA cl. 0.5 Fs < 10 15 VA 5P10 - 7.5 VA 5P20 ARM9T/N2 03811639N040 7.5 VA cl. 0.5 Fs < 10 7.5 VA 5P10 ARM6T/N2 03811640N0200 / 5-5 25 ARM6T/N2 03811641N025 15 VA cl. 0.5 Fs < 10 15 VA 5P10 - 7.5 VA 5P20 ARM9T/N2 03811642N031.5 7.5 VA cl. 0.5 Fs < 10 7.5 VA 5P10 ARM6T/N2 03811643N031.5 15 VA cl. 0.5 Fs < 10 15 VA 5P10 - 7.5 VA 5P20 ARM9T/N2 03811644N040 7.5 VA cl. 0.5 Fs < 10 7.5 VA 5P10 ARM6T/N2 03811645N0ARM6T 40 15 VA cl. 0.5 Fs < 10 15 VA 5P10 - 7.5 VA 5P20 ARM9T/N2 03811646N0400 / 5-5 40 7.5 VA cl. 0.5 Fs < 10 7.5 VA 5P10 ARM6T/N2 03811647N040 15 VA cl. 0.5 Fs < 10 15 VA 5P10 - 7.5 VA 5P20 ARM9T/N2 03811648N0600 / 5-5 40 7.5 VA cl. 0.5 Fs < 10 7.5 VA 5P10 ARM6T/N2 03811649N040 20 VA cl. 0.5 Fs < 10 15 VA 5P10 - 7.5 VA 5P20 ARM9T/N2 03811650N0750 / 5-5 40 7.5 VA cl. 0.5 Fs < 10 7.5 VA 5P10 ARM6T/N2 03811651N040 20 VA cl. 0.5 Fs < 10 15 VA 5P10 - 7.5 VA 5P20 ARM9T/N2 03811652N01000 / 5-5 40 30 VA cl. 0.5 Fs < 10 10 VA 5P20 ARM9T/N2 03811653N01250 / 5-5 40 ARM9T/N2 03811654N0ARM9T 1500 / 5-5 40 15 VA 5P20 ARM9T/N2 03811655N0Dimensionspage 232000 / 5-5 40 ARM9T/N2 03811656N02500 / 5-5 40 ARM9T/N2 03811657N018

<strong>CTs</strong>: <strong>Current</strong> <strong>Trans<strong>form</strong>ers</strong><strong>Order</strong> <strong>form</strong>17.5 - 24 - 36 kV - slip-over <strong>CTs</strong>ingle and double secondaryInsulation level and frequencyUr 17.5 kVUd 38 kV - 1 minUp 95 kV peakfr 50/60 HzUr 24 kVUd 50 kV - 1 minUp 125 kV peakfr 50/60 HzUr 36 kVUd 70 kV - 1 minUp 170 kV peakfr 50/60 HzInsulation level and frequencyUr 17.5 kVUd 38 kV - 1 minUp 95 kV peakfr 50/60 HzUr 24 kVUd 50 kV - 1 minUp 125 kV peakfr 50/60 HzUr 36 kVUd 70 kV - 1 minUp 170 kV peakfr 50/60 HzTrans<strong>form</strong>ationratioA / ASingle secondary metering CTShort-timethermalcurrentkA x 1 sPower, accuracy class,safety factor FSType Reference Qty2500 / 5 50 30 VA cl. 0.5 Fs < 10 ARO1b/N1 03811842N03000 / 5 50 ARO1b/N1 03811659N02500 / 5 50 30 VA cl. 0.5 Fs < 10 ARO2/N1 03811661N03000 / 5 50 ARO2/N1 03811663N02500 / 5 50 30 VA cl. 0.5 Fs < 10 ARO2/N1 03811665N03000 / 5 50 ARO2/N1 03811667N0Trans<strong>form</strong>ationratioA / ASingle secondary protection CTShort-timethermalcurrentkA x 1 sPower and accuracy class(possible double use)Type Reference Qty2500 / 5 50 15 VA 5P20 ARO1b/N1 03811658N03000 / 5 50 ARO1b/N1 03811660N02500 / 5 50 15 VA 5P20 ARO2/N1 03811662N03000 / 5 50 ARO2/N1 03811664N02500 / 5 50 15 VA 5P20 ARO2/N1 03811666N03000 / 5 50 ARO2/N1 03811668N0Insulation leveland frequencyUr 17.5 kVUd 38 kV - 1 minUp 95 kV peakfr 50/60 HzUr 24 kVUd 50 kV - 1 minUp 125 kV peakfr 50/60 HzUr 36 kVUd 70 kV - 1 minUp 170 kV peakfr 50/60 HzTrans<strong>form</strong>ationratioA / AShort-timethermal currentkA x 1 sDouble secondary metering and protection CTMetering secondary: Metering secondary: Type Reference Qtypower, accuracy power and accuracyclass, safety factor class (possibleFSdouble use)2500 / 5 - 5 50 30 VA cl. 0.5 Fs < 10 15 VA 5P20 ARO1b/N2 03811669N03000 / 5 - 5 50 ARO1b/N2 03811670N02500 / 5 - 5 50 30 VA cl. 0.5 Fs < 10 15 VA 5P20 ARO2/N2 03811671N03000 / 5 - 5 50 ARO2/N2 03811672N02500 / 5 - 5 50 30 VA cl. 0.5 Fs < 10 15 VA 5P20 ARO2/N2 03811673N03000 / 5 - 5 50 ARO2/N2 03811674N0DE58013DE58014ARO1bDimensions page 23ARO219

<strong>CTs</strong>: <strong>Current</strong> <strong>Trans<strong>form</strong>ers</strong><strong>Order</strong> <strong>form</strong>0.72 kV closed core CT -single and double secondaryDE58015Insulation level and frequencyUr 0.72 kVUd 3 kV - 1 minfr 50/60 HzDE58016Trans<strong>form</strong>ationratioA / ASingle secondary metering CTShort-timethermalcurrentkA x 1 sPower, accuracy class,safety factor FSType Reference Qty150 / 5 50 7.5 VA cl. 0.5 Fs < 10 ARC2/N1 03811675N0200 / 5 50 ARC2/N1 03811676N0250 / 5 50 15 VA cl. 0.5 Fs < 10 ARC2/N1 03811677N0300 / 5 50 ARC2/N1 03811678N0400 / 5 50 ARC2/N1 03811679N0600 / 5 50 20 VA cl. 0.5 Fs < 10 ARC2/N1 03811680N0750 / 5 50 ARC3/N1 03811681N01000 / 5 50 30 VA cl. 0.5 Fs < 10 ARC3/N1 03811682N01250 / 5 50 ARC3/N1 03811683N0ARC2ARC3Dimensions page 23DE58015Insulation level and frequencyUr 0.72 kVUd 3 kV - 1 minfr 50/60 HzDE58016Trans<strong>form</strong>ationratioA / ASingle secondary protection CTShort-timethermalcurrentkA x 1 sPower and accuracy class(possible double use)Type Reference Qty75 / 5 50 2.5 VA 5P20 ARC2/N1 03881124N0100 / 5 50 ARC2/N1 03881125N0150 / 5 50 5 VA 5P20 ARC2/N1 03881126N0200 / 5 50 ARC2/N1 03881127N0250 / 5 50 ARC2/N1 03881128N0300 / 5 50 ARC2/N1 03881129N0400 / 5 50 ARC2/N1 03881130N0600 / 5 50 7.5 VA 5P20 ARC2/N1 03881131N0750 / 5 50 ARC3/N1 03881302N01000 / 5 50 10 VA 5P20 ARC3/N1 03881303N0ARC2 ARC3 1250 / 5 50 ARC3/N1 03881304N0Dimensions page 23DE58015Insulation leveland frequencyUr 0.72 kVUd 3 kV - 1 minfr 50/60 HzTrans<strong>form</strong>ationratioA / AShort-timethermal currentkA x 1 sDouble secondary metering and protection CTMetering secondary: Metering secondary: Type Reference Qtypower, accuracy power and accuracyclass, safety factor class (possibleFSdouble use)250 / 5-5 50 10 VA cl. 0.5 Fs < 10 5 VA 5P20 ARC2/N2 03881141N0300 / 5-5 50 ARC2/N2 03881142N0400 / 5-5 50 15 VA cl. 0.5 Fs < 10 ARC2/N2 03881143N0600 / 5-5 50 20 VA cl. 0.5 Fs < 10 7.5 VA 5P20 ARC2/N2 03881144N0750 / 5-5 50 ARC3/N2 03881305N01000 / 5-5 50 30 VA cl. 0.5 Fs < 10 15 VA 5P20 ARC3/N2 03881306N01250 / 5-5 50 ARC3/N2 03881307N0ARC2DE58016ARC3Dimensions page 2320

<strong>CTs</strong>: <strong>Current</strong> <strong>Trans<strong>form</strong>ers</strong>DimensionsAD12DE52378DE52459AD13DE52379DE58052EN102K P1L P24 holesØ 11Secondary terminaland M5 screw typeearthing connectorAD21DE52380DE52461AD22DE52420DE52462ARJDDE52420DE52464AD23DE52381DE5246321

<strong>CTs</strong>: <strong>Current</strong> <strong>Trans<strong>form</strong>ers</strong>Dimensions (cont.)ARJP1DE52387DE52468ARJP2DE52388DE52470ARJM2DE52386DE52465ARJHDE52385DE52469ARJP3DE52389DE58045ENOptionalplastic coveron secondary290260Secondary terminaland M6 screw typeearthing connector4 locationsØ 11ARJA1DE52384DE58046ENOptionalplastic coveron secondary26040158Secondary terminaland M6 screw type333 earthing connector 1984 locationsØ 1122

<strong>CTs</strong>: <strong>Current</strong> <strong>Trans<strong>form</strong>ers</strong>Dimensions (cont.)ARM6TDE52390DE52474ARM9TDE52391DE52472ARO1bDE52392DE58049EN248Optionalplastic coveron secondaryLink betweenprimary andthe shield(length 300 mm)Secondary terminaland M6 screw typeearthing connectorTightening torque 10 Nm1304 holesØ 11ARO2DE52393DE52471ARC2DE52444DE52473ARC3DE52445DE5247523

LPCT: Electronic currenttrans<strong>form</strong>ersSelection guideTechnical descriptionDE58034LPCT’s (Low Power <strong>Current</strong> <strong>Trans<strong>form</strong>ers</strong>)meet IEC standard IEC 60044-8.These are CT’s with a direct voltage outputwhich has the advantage of having a verywide range of applications, simplifyingselection.LPCT low power current trans<strong>form</strong>ersLPCT’s are specifi c current sensors with a direct voltage output of the “Low Power<strong>Current</strong> <strong>Trans<strong>form</strong>ers</strong>” type, in con<strong>form</strong>ity with standard IEC 60044-8.LPCT’s provide metering and protection functions.They are defi ned by:bbthe rated primary currentthe extended primary currentthe accuracy limit primary current or the accuracy limit factor.bThese have a linear response over a large current range and do not start to saturateuntil beyond the currents to be broken.Examples of LPCT characteristics according to IEC standard60044-8These characteristics are summarized in the curves below. They show the maximumerror limits (as an absolute value) on the current and the phase corresponding tothe accuracy class for the given examples.They give the same error limits shown for these classes in page 9, but with muchwider current ranges, which gives an advantage to this type of sensor.Example for metering class 0.5b rated primary current Ipn = 100 Ab extended primary current Ipe = 1250 Ab secondary voltage Vsn = 22.5 mV (for 100 A on the secondary)b class 0.5:v accuracy (see defi nitions page 13) on:- the primary current module 0.5% (error y ± 0.5%)- the primary current phase 60 min (error y 30 minutes)over a range of 100 A to 1250 Av accuracy 0.75% and 45 min at 20 Av accuracy 1.5% and 90 min at 5 A.which are two metering points specifi ed by the standard.Example for class 5P protectionb primary current Ipn = 100 Ab secondary voltage Vsn = 22.5 mVb class 5P:v accuracy (see defi nitions page 9) on:- the primary current module 5% (error y ± 5%)- the primary current phase 60 min (error y 60 minutes) on a range of 1.25 kAto 40 kA.The LPCT and Sepam guarantees a veryhigh coverage range and fl exibility of usage.Example: protection system with CLP1 orCLP2 and Sepam guaranteeing a usagerange of 5 A to 1250 A.DE52476Accuracy characteristics of a LPCT (example of Schneider Electric’s CLP1):the accuracy classes are given for extended current ranges (here class 0.5 for metering from 100to 1250 A and protection class 5P from 1.25 to 40 kA).24

LPCT: Electronic currenttrans<strong>form</strong>ers<strong>Order</strong> <strong>form</strong>Primary currentrated extended(A) (A)Secondaryvoltage(mV)AccuracyclassAccuracylimitfactorFLPShort-timethermalcurrent(kA - 1 s)Ratedinsulation(kV)SecondaryconnectorInternaldiameter(mm)TypeReference Qty100 1250 22.5 0.5 – 5P 500 50 17.5 RJ45 - 8 pts CLP1 62623100 1250 22.5 0.5 – 5P 400 40 24 RJ45 - 8 pts CLP2 51238696F0100 2500 22.5 0.5 – 5P 400 40 24 RJ45 - 8 pts CLP3 AAA10474100 2500 22.5 0.5 – 5P 400 40 0.72 RJ45 - 8 pts 160 TLP160 AAA10094100 2500 22.5 0.5 – 5P 400 40 0.72 RJ45 - 8 pts 190 TLP190 AAA10095Frequency and insulationFrequency(Hz)Ur(kV)Ud(kV - 1 min)50 / 60 24 50 12517.5 38 950.72 3Up(kV peak)25

LPCT: Electronic currenttrans<strong>form</strong>ersDimensionsCLP1DE52394DE52373ENM8 x 1290Shielded cable L = 6,5 m8-pin RJ45 connector2080CLP2DE52395DE52374EN88.5Shieldedplug RJ45 8 pts96.5ShieldedcableL = 6.5 mM8 x 12Tighteningtorque 20 NmCLP3DE52396DE52375EN88.58.5Shieldedplug RJ45 8 pts96.5ShieldedcableL = 6.5 mM8 x 12Tighteningtorque 20 NmTLP160PE56703DE52376EN6.52.5Shielded cable L = 6.5 mShielded plug RJ45 8 ptsTLP190DE52397DE52377EN6.52.5Shielded cable L = 6.5 mShielded plug RJ45 8 pts26

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