Siemens 7KT0310 - Technical Specifications; Display Details; Wiring Input Details; CT and PT Settings

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SMART 7KT0310 Manual
Technical
specification

Display
Typeandspecics • LargebacklitLiquidCrystaldisplay
• 4Lineswith4digitseachtoshowmeasuredvalues
• 5thLinewith8digitstoshowenergyvalues
• Graphforcurrentloadingindication
Sizeofdisplay(mmxmm) 60.3mmx60.3mm
LCDIndications
I
 Integrationofenergy
PRG Unitisincongurationmenu
 Communicationinprogress
MAX DMD MaximumandMinimumDemandPower
Display update time 1 sec. for all parameters
Displayscrolling AutomaticorManual(Programmable)
Passwordprotected Yes
Wiring input 3Ø-4wire,3Ø-3wire,1Ø-2wire
Measuring inputs
Ratedinputvoltage 11to300VAC(L-N);19to519VAC(L-L);InstallationCategoryIII(600V)
Frequencyrange 45-65Hz
Rated input current Nominal1A/5AAC(Min-11mA,Max-6Afor5A)
Auxiliary supply 95Vto240VAC,±10%,50/60Hz(±5%)
Memory (behaviour in the event of power
failure)
Retainsallenergyvalues,Onhourscountervalueandcongurationsettingsincaseof
powerfailure
CT/PT Settings
CTType MeasurementC.T,FS10
CTPrimary 1A/5Ato10,000A(ProgrammableforanyValue)
• 1Ato10,000AwhenCTsecondaryis1
• 5Ato10,000AwhenCTsecondaryis5
CTSecondary 1Aor5A(Programmable)
Burden 0.5VA@5Aperphase
PTPrimary 100Vto500kV(Programmableforanyvalue)
PTSecondary 100Vto500VAC(L-L)(Programmableforanyvalue)
Power consumption Lessthan8VA
Environmental conditions • Temperature(Operating):-10°Cto55°C
• Temperature(Storage):-20°Cto75°C
• Humidity:Upto85%non-condensing
• Altitude:ofupto2000meters
• Indooruse
• PollutiondegreeII
Mounting Panel-doormounting
Protection Class II
Degree of protection according to IEC 60529 Front:IP65(whenmountedonthepaneldoor)
Rear:IP20
Overvoltage Category III
Dimensions and weight LxBxD:96x96x55mm
Weight:360gms
Digital Input
Number 1
Inputvoltage Maximuminputvoltage:28VDC
Switchingthresholdforsignal"1“>__VDC
Input current Forsignal“1”:typ__mA