
TRANSFORMERSERIES:Omega30
OperatingManual
Indication
Functionaldescription
Safetyinstructions
Technicalparameters
Beforeinitialoperationweaskyoutopayfullattentiontotheseassemblinginstructionsinordertoguaranteethe
reliabilityandtoensuretheperformanceofthedevice.
CurrenttransformersofthemodelrangeOmegaareinductivesingleconductor-currenttransformersoperating
accordingtothetransformerprinciple.Duetotheapplicatedmeasuringprinciple,currenttransformersofthistype
mayonlybeinstalledinalternatingcurrent(AC)networks.
Inordertoavoidpersonalandmaterialdamagethefollowingassemblingsteps
mustbyperformedonlybyauthorised,qualifiedandtrainedpersonnel.
Ifthesecondarycircuitisoperatedwithoutaburden/load(open)highvoltages
mayappear.Thesevoltagevaluesaredangerousforpersonsaswellasforthe
functionalreliabilityofthecurrenttransformer.
Primarycurrent:30Ato4000A
Secondarycurrent:5A
Accuracyclass:(Standard)0.3,0.6,1.2
(NonStandard)1,2,3,2.4,4.8
Continuosthermalratingfactor:0.6,0.8,1,1.2,1.33,1.5,2
Ratedfrequency:60Hz
Ratedcontinuosthermal
current(standard):1,0xIn
Ratedshorttimethermal
currentIth:60xIn,1s(Max40kA)
Basicinsulationlevel:10kV
Placeof installation:Indoor
Altitude:upto2000m
Ambienttemperature:-30°Cto55
Itisforbiddentooperatethecurrenttransformerwithoutasecondary
circuit(open)!
+°C
Appliedstandards:IEEEC57.13
LowVoltage-CurrentTransformer-
Omega30Series