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, Output200 V … 550 V
Rated frequency50/60 Hz
Power range5,0kVA … 35,0kVA
Max. ambient temperature40°C
UL-Insulation system (optional)E181051
Insulation class (IEC85)F 155°C
Fire protection classUL94HB (V-0 möglich)
Open transformer – degree of protectionIP00
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


SizeType
A
B
C*
D
E
F
6,3
360210
345
264
125
10,0×18,0
12,0
45,0
3UI 300/300/63
DTS0630
8,0360225345
264
140
10,0×18,0
12,952,03UI 300/300/78DTS0800
10,0420240
395
316
143
12,0×18,0
12,062,03UI 350/350/73DTS1000
12,5420255
395
316
158
12,0×18,0
14,576,03UI 350/350/88DTS1250
16,0
480270
440
356
157
15,0×22,0
17,992,03UI 400/400/83DTS1600
20,0480270
440
356
157
15,0×22,0
24,0
98,03UI 400/400/83DTS2000
25,048028045035616715,0×22,031,0114,03UI 400/400/93DTS2500
30,048030045035618415,0×22,041,0138,53UI 400/400/110DTS3000
35,048033045035621415,0×22,036,5161,03UI 400/400/140DTS3500

 

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