Author Archives: Raith

3 Phase Isolating Transformer / Vertical mounting versionDTS 2.0 - 5.0kVA according to IEC/DIN EN61558-2-4

overviewoverviewtechnical dataPDF data sheet

Typical applications

3 phase isolating transformer according to IEC/EN61558-2-4 for general applications, e.g. for providing electrical (galvanic) isolation according to VDE0700/EN60335 regulations or network supply transformer (e.g. TN network system).

Specifications

3 phase isolating transformer according to EN61558-2-4. protection class I ready. Due to innovative vacuum impregnation in polyester varnish, the noise level is extraordinary low. Screw terminals are contact proof according to VBG4.

Any switching matrix can be realized. Standard switching matrix: Yyn0 (max. typical star load of phase current: approx. 10%). Switching matrix: Please note the distinction between different voltages (e.g. phase voltage, line voltage).

Final operation position must allow natural convection through coolant bores. For further information, don´t hesitate to contact us.

Transformer provides 2 loops for safe transportation or craning (core sizes > 3UI150/65 – 4.5 kVA).

 

3 phase isolating transformer according to IEC/EN61558-2-4

natural convection through coolant bores

Voltage range / Input, Output 200 V … 550 V
Rated frequency 50/60 Hz
Power range 2,0kVA … 5,0kVA
Max. ambient temperature 40°C
UL-Insulation system (optional) OBJY2.E181051
Insulation class (IEC85) B 130°C
Fire protection class UL94HB (V-0 möglich)
Open transformer – degree of protection IP00
Protection class (ready) I
  • Transformer completely vacuum impregnated
  • Standard switching matrix Yyn0 (typical star load approx. 10%)
  • Screw terminals contact proof according to VBG4
  • Ready for vertical mounting – including angle brackets
Rated
power
kVA
Dimensions
approx. mm
Copper
weight
KG


Total
weight
KG


Size Type
A
B
C
D
E
F
2,0
245
130
207
185
81
9,0×13,0
6,30
19,30
3UI 120/51
DTS0200
2,5 265 130
227
200
76
10,0×18,0
7,50 20,50 3UI 132/46 DTS0250
3,2 265 145
227
200
90
10,0×18,0
8,20 25,50 3UI 132/60 DTS0320
4,0
300 150
260
224
94
10,0×18,0
12,20 31,80 3UI 150/52 DTS0400
4,5*
300 165
260
224
107
10,0×18,0
11,40
36,50
3UI 150/65 DTS0450
5,0*
335 155
290
248
110
10,0×18,0
17,00
44,00 3UI 168/58 DTS0500

Please note

* Version with lifting brackets for transportation.

3 Phase Isolating Transformers Circuits and Circuit Designs

3 phase isolation transformers offer various possibilities to connect PRIMARY and SECUNDARY winding.

Each design allows specific transformer characteristics. See the following table for preferred circuit designs.

  • Neutral wire “N“ or “n”. Percentage of neutral wire current allways refers to nominal current of phase conductor.
  • Please mind:

    • Secundary star circuit allows load on neutral wire.
    • Parallel connection of transformers must comply to following criteria:
      • Nominal voltage and rated frequency
      • Circuit design
      • Short circuit voltages
      • Ratio of rated loads should not extend 3:1

3 Phase Isolating Transformer / Vertical mounting versionDTS 5.0 - 35kVA according to IEC/DIN EN61558-2-4

overviewtechnical dataPDF Datenblatt

Typical applications

3 phase isolating transformer according to IEC/EN61558-2-4 for general applications, e.g. for providing electrical (galvanic) isolation according to VDE0700/EN60335 regulations or network supply transformer (e.g. TN network system).

Specifications

3 phase isolating transformer according to EN61558-2-4. protection class I ready. Due to innovative vacuum impregnation in polyester varnish, the noise level is extraordinary low. Screw terminals are contact proof according to VBG4.

Standard switching matrix: Yyn0 (max. typical star load of phase current: approx. 10%). Switching matrix: Please note the distinction between different voltages (e.g. phase voltage, line voltage).

Final operation position must allow natural convection through coolant bores. For further information, don´t hesitate to contact us.

Transformer provides 2 loops for safe transportation or craning.

3 Phase Isolating Transformer according to IEC/EN61558-2-4; natural convection through coolant bore, without coil former, winding on glass-fibre reinforced plastic profiles

Voltage range / Input, Output 200 V … 550 V
Rated frequency 50/60 Hz
Power range 5,0kVA … 35,0kVA
Max. ambient temperature 40°C
UL-Insulation system (optional) E181051
Insulation class (IEC85) F 155°C
Fire protection class UL94HB (V-0 möglich)
Open transformer – degree of protection IP00
Protection class (ready) I
  • Transformer completely vacuum impregnated
  • Standard switching matrix Yyn0 (typical star load approx. 10%)
  • Screw terminals contact proof according to VBG4
  • Ready for vertical mounting – including angle brackets
Rated power
kVA
Dimensions
approx. mm
Copper
weight
KG


Total
weight
KG


Size Type
A
B
C*
D
E
F
6,3
360 210
345
264
125
10,0×18,0
12,0
45,0
3UI 300/300/63
DTS0630
8,0 360 225 345
264
140
10,0×18,0
12,9 52,0 3UI 300/300/78 DTS0800
10,0 420 240
395
316
143
12,0×18,0
12,0 62,0 3UI 350/350/73 DTS1000
12,5 420 255
395
316
158
12,0×18,0
14,5 76,0 3UI 350/350/88 DTS1250
16,0
480 270
440
356
157
15,0×22,0
17,9 92,0 3UI 400/400/83 DTS1600
20,0 480 270
440
356
157
15,0×22,0
24,0
98,0 3UI 400/400/83 DTS2000
25,0 480 280 450 356 167 15,0×22,0 31,0 114,0 3UI 400/400/93 DTS2500
30,0 480 300 450 356 184 15,0×22,0 41,0 138,5 3UI 400/400/110 DTS3000
35,0 480 330 450 356 214 15,0×22,0 36,5 161,0 3UI 400/400/140 DTS3500

 

3 Phase Isolating Transformers Circuits and Circuit Designs

3 phase isolation transformers offer various possibilities to connect PRIMARY and SECUNDARY winding.

Each design allows specific transformer characteristics. See the following table for preferred circuit designs.

  • Neutral wire “N“ or “n”. Percentage of neutral wire current allways refers to nominal current of phase conductor.
  • Please mind:

    • Secundary star circuit allows load on neutral wire.
    • Parallel connection of transformers must comply to following criteria:
      • Nominal voltage and rated frequency
      • Circuit design
      • Short circuit voltages
      • Ratio of rated loads should not extend 3:1

3 Phase Isolating Transformer with Module Core; Vertical mounting versionDTM 25 - 630kVA according to IEC/DIN EN61558-2-4

overviewtechnical dataPDF data sheet

Typical applications

3 phase isolating transformer according to IEC/EN61558-2-4 for general applications, e.g. for providing electrical (galvanic) isolation according to VDE0700/EN60335 regulations or network supply transformer (e.g. TN network system).

Specifications

3 phase isolating transformer according to EN61558-2-4. protection class I ready. Due to innovative vacuum impregnation in polyester varnish, the noise level is extraordinary low. Screw terminals are contact proof according to VBG4.

Standard switching matrix: Dyn5 (max. typical star load of phase current: 100%). Switching matrix: Please note the distinction between different voltages (e.g. phase voltage, line voltage). Final operation position must allow natural convection through coolant bores. For further information, don’t hesitate to contact us.

Transformer provides 2 loops for safe transportation or craning.

DTM versions providing special specs on request:

  • Short circuit voltage
  • Degree of efficiency
  • Fe- and Cu losses
  • Make current and open-circuit operation

3 phase isolating transformer according to IEC/EN61558-2-4, natural convection through coolant bore, without coil former, winding on glass-fibre reinforced plastic profiles,
usage of module core

Voltage range / Input, Output 200 V … 550 V
Rated Frequency 50/60 Hz
Power range 25,0kVA … 630kVA
Max. ambient temperature 40°C
UL-Insulation system (optional) E181051
Insulation class (IEC85) F 155°C
Fire protection class UL94HB (V-0 möglich)
Open transformer – degree of protection IP00
Protection class (ready) I
  • Transformer completely vacuum impregnated
  • Standard switching matrix Dyn5 (total single load vs. N possible)
  • Screw terminals contact proof according to BGV A3
  • Ready for vertical mounting – including angle brackets

 

 

 

 

 

 

 

 

 

Rated power
kVA
Uk
in %
Fe-
Losses
KW
Cu-
Losses
KW
Dimensions
approx. mm
Copper
weight
KG
Total
weight
KG
Size Type
A
B
C
D
E
F
25 4,8 0,12 0,67 540 290 490 2 x 180 172 11,0 46 126 440/420 – 80/80 DTM0250
31,5 3,9 0,165 0,84 540 320 490 2 x 180 199 11,0 40 145 440/420 – 80/107 DTM0315
40 3,4 0,21 0,99 540 350 495 2 x 180 229 11,0 42 176 440/420 – 80/137 DTM0400
50 3,5 0,235 0,98 540 350 505 2 x 180 229 11,td> 67 202 440/420 – 80/188 DTM0500
63 6,0 0,25 1,50 690 360 555 2 x 230 222 11,0 86 247,0 550/470 – 90/120 DTM0630
80 4,8 0,31 1,70 690 390 565 2 x 230 252 11,0 83 282 550/470 – 90/150 DTM0800
100 4,4 0,39 1,65 690 420 565 2 x 230 282 11,0 108 348 550/470 – 90/180 DTM1000
160 5,0 0,53 2,84 830 390 875 2 x 280 222 15,0 203 496 680/740 – 120/120 DTM1600
200 4,6 0,66 3,00 830 420 840 2 x 280 252 15,0 205 570 680/740 – 120/150 DTM2000
225 3,6 0,79 3,00 830 450 840 2 x 280 282 15,0 213 656 680/740 – 120/180 DTM2250
250 3,0 0,95 3,00 830 480 850 2 x 280 312 15,0 210 725 680/740 – 120/210 DTM2500

3 Phase Isolating Transformers Circuits and Circuit Designs

3 phase isolation transformers offer various possibilities to connect PRIMARY and SECUNDARY winding.

Each design allows specific transformer characteristics. See the following table for preferred circuit designs.

  • Neutral wire “N“ or “n”. Percentage of neutral wire current allways refers to nominal current of phase conductor.
  • Please mind:

    • Secundary star circuit allows load on neutral wire.
    • Parallel connection of transformers must comply to following criteria:
      • Nominal voltage and rated frequency
      • Circuit design
      • Short circuit voltages
      • Ratio of rated loads should not extend 3:1

3 Phase Isolating Transformer; Horizontal mounting versionDTL 0.25 - 2.0kVA according to IEC/DIN EN61558-2-4

overviewtechnical dataPDF data sheet

Typical applications

3 phase isolating transformer according to IEC/EN61558-2-4 for general applications, e.g. for providing electrical (galvanic) isolation according to VDE0700/EN60335 regulations or network supply transformer (e.g. TN network system).

Specifications

3 phase isolating transformer according to EN61558-2-4. protection class I ready. Due to innovative vacuum impregnation in polyester varnish, the noise level is extraordinary low. Screw terminals are contact proof according to VBG4.

Standard switching matrix: Yyn0 (max. typical star load of phase current: approx. 10%). Switching matrix: Please note the distinction between different voltages (e.g. phase voltage, line voltage).

For further information, don´t hesitate to contact us!

Any user-defined mounting position is possible.

3 phase isolating transformer, horizontal mounting version

according to IEC/EN61558-2-4

Voltage range / Input, Output 200 V … 550 V
Rated frequency 50/60 Hz
Power range 250VA … 2,0kVA
Max. ambient temperature 40°C
UL-Insulation system OBJY2.E181051
Insulation class (IEC85) B 130°C
Fire protection class UL94HB (V-0 possible)
Open transformer – degree of protection IP00
Protection class (ready) I
  • Transformer completely vacuum impregnated
  • Standard switching matrix Yyn0 (typical star load approx. 10%)
  • Screw terminals contact proof according to VBG4
  • Ready for horizontal mounting including angle brackets
Rated
power
kVA
Dimensions
approx. mm
Copper weight
KG


Total weight
KG
Size Type
A
B*
C
D
E
F
0,25
156
73
140
140
100
5,8×9,0
1,30
3,90
3UI 75/26
DTL0025
0,40 156
90
140 140 100
5,8×9,0
1,60
5,70
3UI 75/41,5 DTL0040
0,50 206
84
160
184
120
7,0×13,0
2,20
6,60
3UI 90/31 DTL0050
0,63
206 95 160
184
120
7,0×13,0
2,80
8,00
3UI 90/41,5 DTL0063
0,80
206
105
160
184
120
7,0×13,0
3,00
9,90
3UI 90/51,5 DTL0080
1,00
254 95
190
228
152
7,0×13,0
4,60
13,50 3UI 114/40 DTL0100
1,25
254
95
190
228 152
7,0×13,0
5,30
14,20 3UI 114/40 DTL0125
1,60
290
100
200
258
160
9,0×13,0
5,70
15,30
3UI 120/41 DTL0160

3 Phase Isolating Transformers Circuits and Circuit Designs

3 phase isolation transformers offer various possibilities to connect PRIMARY and SECUNDARY winding.

Each design allows specific transformer characteristics. See the following table for preferred circuit designs.

  • Neutral wire “N“ or “n”. Percentage of neutral wire current allways refers to nominal current of phase conductor.
  • Please mind:

    • Secundary star circuit allows load on neutral wire.
    • Parallel connection of transformers must comply to following criteria:
      • Nominal voltage and rated frequency
      • Circuit design
      • Short circuit voltages
      • Ratio of rated loads should not extend 3:1

3 Phase Isolating Transformer; Horizontal mounting versionDTL 2.0 - 5.0kVA according to IEC/DIN EN61558-2-4

overviewtechnical dataPDF data sheet

Typical applications

3 phase isolating transformer according to IEC/EN61558-2-4 for general applications, e.g. for providing electrical (galvanic) isolation according to VDE0700/EN60335 regulations or network supply transformer (e.g. TN network system).

Specifications

3 phase isolating transformer according to EN61558-2-4. protection class I ready. Due to innovative vacuum impregnation in polyester varnish, the noise level is extraordinary low. Screw terminals are contact proof according to VBG4.

Standard switching matrix: Yyn0 (max. typical star load of phase current: approx. 10%). Switching matrix: Please note the distinction between different voltages (e.g. phase voltage, line voltage).Final operation position must allow natural convection through coolant bore. For further information, don´t hesitate to contact us.

Transformer provides 2 loops for safe transportation or craning.

3 phase isolating transformer according to IEC/EN61558-2-4

natural convection through coolant bore

Voltage range / Input, Output 200 V … 550 V
Rated frequency 50/60 Hz
Power range 2,0kVA … 5,0kVA
Max. ambient temperature 40°C
UL-Insulation system (optional) OBJY2.E181051
Insulation class (IEC85) B 130°C
Fire protection class UL94HB (V-0 possible)
Open transformer – degree of protection IP00
Protection class (ready) I
  • Transformer completely vacuum impregnated
  • Standard switching matrix Yyn0 (typical star load approx. 10%)
  • Screw terminals contact proof according to BGV A3e
  • Ready for horizontal mounting including angle brackets
Rated power
kVA
Dimensions
approx. mm
Copper weight
KG
Total weight
KG


Size Type
A
B
C
D
E
F
2,0
290
120
200
258
160
9,0×13,0
6,30
19,30
3UI 120/51
DTL0200
2,5 290 110
220
258
176
9,0×13,0
7,50 20,50 3UI 132/46 DTL0250
3,2 290 125
220
258
176
9,0×13,0
8,20 25,50 3UI 132/60 DTL0320
4,0
330 125
250
298
200
9,0×13,0
12,20 31,80 3UI 150/52 DTL0400
4,5*
330 150
250
298
200
9,0×13,0
11,40
36,50
3UI 150/65 DTL0450
5,0*
360 142
280
322
224
9,0×13,0
17,00
44,00 3UI 168,58 DTL0500

Please note

* Version with lifting brackets for transportation.

3 Phase Isolating Transformers Circuits and Circuit Designs

3 phase isolation transformers offer various possibilities to connect PRIMARY and SECUNDARY winding.

Each design allows specific transformer characteristics. See the following table for preferred circuit designs.

  • Neutral wire “N“ or “n”. Percentage of neutral wire current allways refers to nominal current of phase conductor.
  • Please mind:

    • Secundary star circuit allows load on neutral wire.
    • Parallel connection of transformers must comply to following criteria:
      • Nominal voltage and rated frequency
      • Circuit design
      • Short circuit voltages
      • Ratio of rated loads should not extend 3:1

3 Phase Isolating Transformer; Horizontal mounting versionDTL 5.0 - 35kVA according to IEC/DIN EN61558-2-4

overviewtechnical dataPDF data sheet

Typical applications

3 phase isolating transformer according to IEC/EN61558-2-4 for general applications, e.g. for providing electrical (galvanic) isolation according to VDE0700/EN60335 regulations or network supply transformer (e.g. TN network system).

Specifications

3 phase isolating transformer according to EN61558-2-4. protection class I ready. Due to innovative vacuum impregnation in polyester varnish, the noise level is extraordinary low. Screw terminals are contact proof according to VBG4.

Standard switching matrix: Yyn0 (max. typical star load of phase current: approx. 10%). Switching matrix: Please note the distinction between different voltages (e.g. phase voltage, line voltage). Final operation position must allow natural convection through coolant bores. For further information, don’t hesitate to contact us.

Transformer provides 2 loops for safe transportation or craning.

3 phase isolating transformer according to IEC/EN61558-2-4

natural convection through coolant bore; without coil former; winding on glass-fibre; reinforced plastic profiles

Voltage range 200 V … 550 V
Rated frequency 50/60 Hz
power range (contract works!) 5,0kVA … 35,0kVA
Max. ambient power 40°C
UL-Insulation system (optional) OBJY2.E181051
Insulation class (IEC85) B 130°C
Fire protection class UL94HB (V-0 possible)
Open transformer – degree of protection IP00
Protection class (ready) I
  • Transformer completely vacuum impregnated
  • Standard switching matrix Yyn0 (typical star load approx. 10%)
  • attachment with assembly brackets for Horizontal mounting version
  • Screw terminals contact proof according to BGV A3
  • Ready for horizontal mounting including angle brackets
Rated power
kVA
Dimensions
approx. mm
Copper weight
KG
Total weight
KG


Size Type
A
B
C
D
E
F
6,3
394 185
325
358
240
9,0×14,0
12,0
45,0
3UI 300/300/63
DTL0630
8,0 394 200 325 358 240
9,0×14,0
12,9 52,0 3UI 300/300/78 DTL0800
10,0 452 200
375
408 280
13,0×20,0
12,0 62,0 3UI 350/350/73 DTL1000
12,5 452 215
375
408 280
13,0×20,0
14,5 76,0 3UI 350/350/88 DTL1250
16,0
526 215 430 472 320
13,0×20,0
17,9 92,0 3UI 400/400/83 DTL1600
20,0 526 215
430
472
320
13,0×20,0
24,0
98,0 3UI 400/400/83 DTL2000
25,0 526 225 430 472 320 13,0×20,0 31,0 114,0 3UI 400/400/93 DTL2500
30,0 526 245 435 472 320 13,0×20,0 41,0 138,5 3UI 400/400/110 DTL3000
35,0 526 290 435 472 320 13,0×20,0 36,5 161,0 3UI 400/400/140 DTL3500

3 Phase Isolating Transformers Circuits and Circuit Designs

3 phase isolation transformers offer various possibilities to connect PRIMARY and SECUNDARY winding.

Each design allows specific transformer characteristics. See the following table for preferred circuit designs.

  • Neutral wire “N“ or “n”. Percentage of neutral wire current allways refers to nominal current of phase conductor.
  • Please mind:

    • Secundary star circuit allows load on neutral wire.
    • Parallel connection of transformers must comply to following criteria:
      • Nominal voltage and rated frequency
      • Circuit design
      • Short circuit voltages
      • Ratio of rated loads should not extend 3:1

3 Phase Isolating Transformer, including wall mountable housing – degree of protection IP55DTW 0.1 - 25kVA according to IEC/DIN EN61558-2-4

overviewtechnical dataPDF data sheet

Typical applications

3 phase isolating transformer according to IEC/EN61558-2-4 for general applications, e.g. for providing electrical (galvanic) isolation according to VDE0700/EN60335 regulations or network supply transformer (e.g. TN network system)

Specifications

3 phase isolating transformer according to EN61558-2-4. protection class I ready, built in a stable sheet steel wall mountable housing (degree of protection IP55).

Due to innovative vacuum impregnation in polyester varnish, the noise level is extraordinary low. Screw terminals are contact proof according to BGV A3. DIN connectors – sizes depend on wire gauges – are used for wire bushings.

Standard switching matrix: Yyn0 (max. typical star load of phase current: approx. 10%). Switching matrix: Please note the distinction between different voltages (e.g. phase voltage, line voltage). For further information, don´t hesitate to contact us.

3 Phase Autotransformer IP55

including wall mountabe housing  IEC/EN61558-2-13

Voltage range 200 V … 550 V
Rated frequency 50/60 Hz
Power range 100VA … 25kVA
Setup exit Standard switching matrix Yyn0
(typical star load approx. 10%)
Max. ambient temperature 40°C
UL Insulation System (optional) OBJY2.E181051
Insulation class (IEC85) B 130°C
Fire protection class UL94HB (V-0 possible)
Degree of protection IP00
Protection class I
  • Including wall mountable housing – degree of protection IP55; RAL7035 (standard) pulverbeschichtet
  • Wire bushings according to DIN regulations
  • Screw terminals contact proof according to BGV A3
  • Transformer completely vacuum impregnated
Rated
power
kVA
Dimensions
approx. mm
Copper
weight
KG
Total
weight
KG
Size
Type and
Ordering No.
A
B
C
D
E
F
0,10
285
160
325
250
200
9,0
0,60
5,58
3UI 60/21 DTW0010
0,16 285 160 325 250 200 9,0 0,80 6,55 3UI 60/31 DTW0016
0,25 285 160 325 250 200 9,0 1,30 7,80 3UI 75/26 DTW0025
0,40 285 160 325 250 200 9,0 1,60 9,45 3UI 75/41,5 DTW0040
0,50 385 210 428 350 300 9,0 2,70 14,40 3UI 90/31 DTW0050
0,63 385 210 428 350 300 9,0 3,00 16,10 3UI 90/41,5 DTW0063
0,80 385 210 428 350 300 9,0 3,50 17,60 3UI 90/51,5 DTW0080
1,00 385 210 428 350 300 9,0 5,00 20,80 3UI 114/40 DTW0100
1,25 385 210 428 350 300 9,0 5,50 21,50 3UI 114/40 DTW0125
1,60 385 210 428 350 300 9,0 6,40 23,40 3UI 120/41 DTW0160
2,00 385 210 428 350 300 9,0 7,00 29,20 3UI 120/51 DTW0200
2,50 385 210 428 350 300 9,0 8,20 33,50 3UI 132/46 DTW0250
3,20 485 260 530 450 400 9,0 9,50 41,80 3UI 132/60 DTW0320
4,00 485 260 530 450 400 9,0 12,80 52,00 3UI 150/52 DTW0400
5,00 485 260 530 450 400 9,0 13,50 55,50 3UI 168/58 DTW0500
6,30 485 260 530 450 400 9,0 14,00 57,50 EI 300/300/63 DTW0630
8,00 485 260 530 450 400 9,0 14,00 75,40 EI 300/300/78 DTW0800
10,00 685 260 640 650 500 9,0 14,00 86,00 EI 350/350/73 DTW1000
12,50 685 260 640 650 500 9,0 18,00 97,00 EI 350/350/88 DTW1250
16,00 685 260 640 650 500 9,0 20,00 110,50 EI 400/400/83 DTW1600
20,00 685 410 640 650 500 9,0 31,00 181,50 EI 400/400/93 DTW2000
25,00 685 410 640 650 500 9,0 41,00 191,50 EI400/400/110 DTW2500

 

3 Phase Isolating Transformers Circuits and Circuit Designs

3 phase isolation transformers offer various possibilities to connect PRIMARY and SECUNDARY winding.

Each design allows specific transformer characteristics. See the following table for preferred circuit designs.

  • Neutral wire “N“ or “n”. Percentage of neutral wire current allways refers to nominal current of phase conductor.
  • Please mind:

    • Secundary star circuit allows load on neutral wire.
    • Parallel connection of transformers must comply to following criteria:
      • Nominal voltage and rated frequency
      • Circuit design
      • Short circuit voltages
      • Ratio of rated loads should not extend 3:1

3 Phase Isolating Transformer, base fixed housing – degree of protection IP23DTB 1.6 - 100kVA according to IEC/DIN EN61558-2-4

overviewtechnical dataPDF data sheet

Typical applications

3 phase isolating transformer according to IEC/EN61558-2-4 for general applications, e.g. for providing electrical (galvanic) isolation according to VDE0700/EN60335 regulations or network supply transformer (e.g. TN network system).

Specifications

3 phase isolating transformer according to EN61558-2-4, built in a stable sheet steel housing (degree of protection IP23).

Housing is prepared for base fixing. Due to innovative vacuum impregnation in polyester varnish, the noise level is extraordinary low. Screw terminals are contact proof according to VBG4. DIN connectors – sizes depend on wire gauges – are used for wire bushings.
Standard switching matrix: Yyn0 (max. typical star load of phase current: approx. 10%). Switching matrix: Please note the distinction between different voltages (e.g. phase voltage, line voltage). For further information, don´t hesitate to contact us!
Power > 5 kVA: For safe transportation – e.g. to crane the transformer – loops are mounted to the housing.

3 Phase Isolating Transformer IP23

base fixed housing IEC/EN61558-2-4

Voltage range input / output 1 V … 1000 V
Rated frequency 50/60 Hz
Power range 1,6 … 630 kVA
setup exit Connection symbol Standard Yyn0

starpoint capacity ca.10%

Max. ambient temperature 40°C
UL Insulation System (optional) OBJY2.E181051
Insulation class (IEC85) F 155°C / bis 6,3kVA B 130°C
Fire protection class UL94HB (V-0 möglich)
Degree of protection IP00
Protection class I
  • Housing including angle brackets; RAL7035 pulverbeschichtet (standard)
  • Wire bushings according to DIN regulations
  • STransformer connectors: Screw terminals according to BGV A3
  • Transformer completely vacuum impregnated
Rated
power
kVA
Dimensions
approx. mm
Copper 
weight
KG
Total 
weight
KG
Size
Type and
Ordering No.
A
B
C
D
E
F
G
1,6 406 320 350 182 306 11 6,00 21,0 3UI 120/41 DTB0016
2 406 320 350 185 306 11 6,70 26,0 3UI 120/51 DTB0020
2,5 406 320 350 200 306 11 7,90 28,0 3UI 132/46 DTB0025
3,2 406 320 350 200 306 11 8,80 32,0 3UI 132/60 DTB0032
4,0 426 360 396 219 340 11 13,0 39,0 3UI 150/52 DTB0040
4,5 426 360 396 219 340 11 12,2 43,5 3UI 150/65 DTB0045
5,0 576 440 546 45 243 420 11 18,0 52,0 3UI 168/58 DTB0050
6,3 576 440 546 45 259 420 11 13,0 54,0 EI 300/300/63 DTB0063
8,0 576 440 546 45 259 420 11 13,5 62,5 EI 300/300/78 DTB0080
10,0 646 520 626 45 316 500 11 13,0 71,0 EI 350/350/73 DTB0100
12,5 646 520 626 45 316 500 11 15,0 85,0 EI 350/350/88 DTB0125
16 706 560 676 53 360 540 11 24,5 110,0 EI 400/400/83 DTB0160
20 706 560 676 53 360 540 11 28 114,0 EI 400/400/83 DTB0200
25 706 560 676 53 360 540 11 33 126,0 EI 400/400/93 DTB0250
30 706 560 676 53 360 540 11 43 150,0 EI 400/400/110 DTB0300
35 706 560 676 53 360 540 11 41 173,0 EI 400/400/140 DTB0350
40 706 560 676 62 360 540 11 45 192,0 440/420-80/137 DTB0400
50 956 660 726 62 460 640 11 69 218,0 440/420-80/188 DTB0500
63 956 660 726 62 460 640 11 89 263,0 550/470-90/120 DTB0630
80 956 660 726 62 460 640 11 89 296,0 550/470-90/150 DTB0800
100 956 660 726 62 460 640 11 110 362,0 550/470-90/180 DTB1000
125 956 660 726 62 670 640 11 168 362,0 550/470-90/180 DTB1250
160 1020 780 1051 62 670 735 15 203 600 680/120 DTB1600
200 1020 780 1051 62 670 735 15 255 710 680/150 DTB2000
225 1020 780 1051 62 670 735 15 280 845 680/180 DTB2250
250 1020 780 1051 62 670 735 15 310 980 680/210 DTB2500
315 1460 1000 1300 62 684 960 15 440 1130 830/150 DTB3150
400 1460 1000 1300 62 684 960 15 540 1330 830/200 DTB4000
500 1460 1000 1300 62 684 960 15 590 1550 830/250 DTB5000
630 1740 1200 1500 62 780 1160 18 660 1680 960/1800 DTB6300

 

 

3 Phase Isolating Transformers Circuits and Circuit Designs

3 phase isolation transformers offer various possibilities to connect PRIMARY and SECUNDARY winding.

Each design allows specific transformer characteristics. See the following table for preferred circuit designs.

  • Neutral wire “N“ or “n”. Percentage of neutral wire current allways refers to nominal current of phase conductor.
  • Please mind:

    • Secundary star circuit allows load on neutral wire.
    • Parallel connection of transformers must comply to following criteria:
      • Nominal voltage and rated frequency
      • Circuit design
      • Short circuit voltages
      • Ratio of rated loads should not extend 3:1

Aluminium Transformera perfect alternative to copper transformer

overviewtechnical dataPDF data sheet

Assures through power and individuality

lighter, more efficient, reduced price

  • high efficiency factor with standard materials:
    from 60kVA over 98,5%
    from 200kVA over 99,0%
  • reduction of 45 % of the weight compare to standard transformers (lower freight costs)
  • cost reduction because there is no extra copper addition
  • power range to 2,5 MVA possible
  • optimal use of the required materials
  • available as autotransformers and isolating transformers
  • several voltage level are available
  • possible vector groups like Dyn5, Dyn11, YNyn0, Yd5, Dd0
  • short-circuit voltage can be adjusted on demand
  • class of protection: protective earthing or protective isolated
  • degree of protection from IP00 to IP66 possible
  • water cooled version
  • a version with active air cooling is possible

Aluminium transformer a perfect alternative to copper transformers lighter, more efficient, reduced price

High efficiency factor with standard materials from 60 kVA over 98,5%
from 200 kVA over 99,0%
Weight reduction of 45 % of the weight compare to standard transformers (lower freight costs)
Power range up to 2,5 MVA possible
Building type autotransformers and isolating transformers
Voltage level several levels are available
Vector groups possible vector groups like Dyn5, Dyn11,YNyn0, Yd5, Dd0
Short-circuit voltage on demand
Class of protection protective earthing or protective isolated
Degree of protection from IP00 to IP66 possible
  • attractive, efficiency-oriented and market-driven prices
  • cost reduction because there is no extra copper addition
  • optimal use of the required materials