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Wound primary current transformers
B SERIES
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Download catalog
Download Type Test
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Indoor
3.6- 7.2 - 12 - 17.5 -24 - 36 KV
Primary current from 0 to 800 A
Ith up to 1000 Ipn
Connection by bar
Cast-rein insulated
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Current transformers vacuum Moulded in self-extinguishing epoxy resin for the measurement of AC currents up to 800A.
This range is particularly suitable when primary connection using bars is required
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Technical data
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Rated insulation level
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3.6/10/40 kV to 36/70/170 kV
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primary current Ipn
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Up to 800A
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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 10
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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,ANSI C57.13 , IEC60044-6
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Other characteristics on request
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Secondary current Isn
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0.005 to 10 A
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Multiple cores
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Up to 5 separate 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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G
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J
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K
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L
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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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B2
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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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235
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290
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55
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60
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115
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236
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196
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B3
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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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235
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290
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55
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60
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115
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236
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196
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B5
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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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260
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315
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55
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50
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125
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236
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200
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B20
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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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290
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350
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60
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60
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160
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220
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180
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B22
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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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293
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353
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60
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60
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180
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220
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180
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B30
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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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330
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390
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60
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60
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185
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220
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180
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B32
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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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346
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406
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60
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60
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180
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220
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180
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*This document is the property of Pars Shar and maybe changed without prior notice*
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