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Three Phase current transformers
TP SERIES
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Download Type Test
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Indoor
3.6- 7.2 - 12 KV
Primary current up to 400 A
Ith up to 80 Ipn
Cast-resin insulated
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Three phase current transformers vacuum moulded in self-extinguishing epoxy resin, for the measurement of AC current up to 400A.
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Technical data
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Rated insulation
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3.6/20/60 kV to 12/28/75 kV
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primary current Ipn
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Up to 400A
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Secondary current Isn
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5 or 1 A
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Frequency
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50 or 60 Hz
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Accuracy class
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0.1 - 0.2 - 0.2S -0.5-0.5S-1-3-5P-10P-PX
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Security factor
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5 to 10
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Accuracy limit factor
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5 - 10 - 15 - 20
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Continuous thermal current
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1.2 Ipn
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Short-time thermal current
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80 In
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Dynamic current Idyn
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2.5Ith
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Insulation class
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E
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Altitude
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1000 m
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Ambient temperature
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-5C° to + 40 C°
-25C° to + 40 C°
-40C° to + 40 C°
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Standards
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IEC60044-1, IEC61869-2,ANSI C57.13
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Other characteristics on request
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Continues thermal current
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1.2 to1.5Ipn and 2Ipn
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Ambient temperature
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Up to + 110C°
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*This document is the property of Pars Shar and maybe changed without prior notice*
Tolerances: ± 1mm
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