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Wound primary current transformers
T SERIES
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Indoor
3.6- 7.2 - 12 - 17.5 -24 - 36 KV
Primary current from 0 to 600 A
Ith up to 1000 Ipn
Cast-resin insulated
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Current transformers vacuum moulded in self-extinguishing epoxy resin for the measurement of AC currents up to 600A.
This range is also available with double ratio up to 300-600A by primary change-over.
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Technical data
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Rated insulation level
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3.6/10/40 to 36/70/170 kV
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primary current Ipn
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Up to 600A
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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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Rated output
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1 to 100 VA
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Accuracy class
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0.1 - 0.2 - 0.2S -0.5-0.5S-1-3-5P-10P-ClX
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Security factor
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5 to 20
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Accuracy limit factor
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5-10-15-20-30
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Continuous thermal current
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1.2 Ipn
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Short-time thermal current Ith
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Up to 1000 Ipn
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Dynamic current Idyn
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2.5 Ith
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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,IEC60044-6
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Other characteristics on request
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Double- ratio
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5-10 to 300-600 A by primary change -over
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Secondary current Isn
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0.05 to 10 A
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Multiple cores
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Up to 3 cores
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Continues thermal current
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1.2 to 1.5Ipn and 2Ipn
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Ambient temperature
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Up to + 110C°
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Standard
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ANSI C57.13, CAN13- AS1675
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Selection and dimentiontable:
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Type
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Un
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Weight
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A
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B
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C
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D
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E
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F
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J
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K
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L
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G
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kv
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kg
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mm
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mm
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mm
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mm
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mm
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mm
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mm
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mm
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mm
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mm
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T2
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17.5/38/95
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11
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178
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170
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215
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250
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35
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103
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110
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240
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206
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71.5
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T3
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17.5/38/95
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13
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178
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190
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215
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250
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35
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116
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120
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240
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206
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72
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T5
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17.5/38/95
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25
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212
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280
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255
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290
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35
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-
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125
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240
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206
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-
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T20
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24/50/125
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18
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255
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176
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295
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340
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35
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-
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160
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220
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180
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-
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T22
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24/50/125
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25
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252
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232
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270
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305
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35
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80
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180
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220
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180
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60
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T30
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36/70/170
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24
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275
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212
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310
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345
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35
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40
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185
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220
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180
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60
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T32
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36/70/170
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39
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272
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254
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351
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396
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35
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-
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180
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220
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180
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-
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*This document is the property of Pars Shar and maybe changed without prior notice*
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