Siemens 7KT - Page 6

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SMART 7KT0210 Manual
IEC Standards
Description Standard
Accuracy IEC61557-12;
IEC62053-21|ActiveEnergy
EMCrequirements IEC61326-1
Degree of protection test (IP) IEC60529
Safetyrequirements IEC61010-1andIEC61010-2-030
7KT0210(3 Phase Energy Class 1)
Inputs Outputs
number of digital inputs 1
type of electrical connection at the digital inputs screw-typeterminals
operatingconditionsfordigitalinputsexternalvoltagesupply Yes
inputvoltageatdigitalinputatDCmaximum 30V
inputcurrentatdigitalinputinitialvalueforsignal<1>-recognition 10 mA
Measuring inputs
measurablesupplyvoltagebetweenLandNatACmaximumrated
value
240V
measurablesupplyvoltagebetweenLandNatAC
•minimum 11V
•maximum 300V
measurablesupplyvoltagebetweenthelineconductorsatAC
maximumratedvalue
415V
measurablesupplyvoltagebetweenthelineconductorsatAC
•minimum 19V
•maximum 519V
voltagemeasuringrangeextensionwithexternalvoltage
transformers
upto500kV
line conductors and neutral conductors internal resistance for
voltagemeasurement
1.12MΩ
measuringcategoryforvoltagemeasurement CATIII
measurable current 1A/5A
relativemeasurablecurrentatAC
•minimum 1%
•maximum 120%
current measuring range extension with external current
transformers
up to 10kA
measuring category for current measurement CATIII
Connections
type of electrical connection
•atthemeasurementinputsforvoltage screw-typeterminals
•atthemeasurementinputsforcurrent screw-typeterminals
Mechanical Design
mounting ushpanel-doormounted
sizeofPowerMonitoringDevice size96
height 99mm
width 99mm
cut-out 91.5mmx91.5mm
depth 56.9mm
installation depth 51.6mm
net weight 234g
mounting position Vertical
Environmental conditions
ambient temperature during operation
•minimum -10°C
•maximum 55°C
ambient temperature during storage
•minimum -20°C
•maximum 75°C
relativehumidityat25°Cwithoutcondensationduringoperation
maximum
85%
installationaltitudeatheightabovesealevelmaximum 2 000 m
degree of pollution 2
Certications
SMART7KTmultifunctionmeterconformstoIEC
standards,IPCelectronicsassemblystandardand
RoHS