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Datasheet as PDF
4 kVA up to 35 kVA, Threephase power dry transformers, Multiphase isolating transformers
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Fields of application
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Isolating transformer conform to IEC/EN 61558-2-4 for general purpose, e.g. as safe isolation for devices according to the requirements of VDE 0700 / EN 60335, or as net distribution transformer for TN-net systems. Suitable for potential free nets, test systems and as power-ratio transformer.
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Description
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Three-phase transformer, built as an isolation transformer conform to EN 61558-2-4. Basically this type size can be built in any vector group. If there is no vector group given, we use Dyn5 as default (star point can have full load from the outside conductor).
Please consider the difference between outside conductor voltage and phase voltage to star point at the different vector groups.
For a safe and easy transport, the transformers have crane hooks at the upper side. The used block terminals are shock proof conform to VBG4. A vacuum varnishing makes a low hum-noise possible.
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Table
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Type
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Type size
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Sec
power
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Efficiency
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Dimensions in mm
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Mounting holes
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Copper
weight
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Total
weight
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b
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l
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l1
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h
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h1
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f1
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f2
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f3
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TEO
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250/250/52 LK
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4 kVA
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96 %
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305
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115
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124
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260
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320
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94
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224
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10
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14 kg
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32 kg
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TEO
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250/250/65 LK
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4,5 kVA
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97 %
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305
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127
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137
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260
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320
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107
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224
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10
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14 kg
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34 kg
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TEO
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280/280/58 LK
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5 kVA
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97 %
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342
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130
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140
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288
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350
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110
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248
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10
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14 kg
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36 kg
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TEO
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300/300/63 LK
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6,3 kVA
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97 %
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370
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142
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155
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306
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380
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125
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264
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10
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16 kg
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45 kg
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TEO
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300/300/78 LK
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8 kVA
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97 %
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370
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157
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170
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306
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380
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140
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264
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10
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17 kg
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52 kg
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TEO
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350/350/73 LK
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10 kVA
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98 %
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430
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160
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175
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362
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440
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143
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316
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12
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17 kg
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62 kg
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TEO
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350/350/88 LK
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12,5 kVA
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98 %
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430
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175
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190
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362
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440
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158
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316
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12
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19 kg
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76 kg
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TEO
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350/350/103 LK
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16 kVA
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98 %
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430
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190
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205
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362
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440
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173
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316
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12
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22 kg
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92 kg
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TEO
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350/350/133 LK
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20 kVA
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98 %
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430
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220
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235
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362
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440
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203
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316
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12
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24 kg
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108 kg
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TEO
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400/400/83 LK
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25 kVA
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98 %
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490
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180
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195
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415
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490
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157
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356
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15
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43 kg
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114 kg
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TEO
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400/400/110 LK
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30 kVA
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98 %
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490
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220
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222
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415
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490
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184
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356
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15
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47 kg
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137 kg
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TEO
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400/400/140 LK
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35 kVA
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98 %
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490
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250
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252
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415
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490
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214
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356
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15
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50 kg
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165 kg
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Technical changes and optimisation reserved. All details are guide values, variations are possible.
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03/2012
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