Autotransformer


Datasheet as PDF
Autotransformers conform to EN 61558-2-13 from 110 V to 230 V (230 V to 110 V) and a power of 240 VA up to 1000 VA.

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AutotransformerAdapting transformer

EI 120                                                                                                        EI 96


Fields of application


Autotransformers enable the operation of 230 V (110 V) devices with 110 V (230 V) mains voltage.


Description


Autotransformers in solid construction, completely potted under vacuum with highly insulating polyurethane cast resin. The windings are connected to each other, there is no galvanic separation. The isolating housing has handles.
These transformers have twice the power of an isolation transformer with the same size. For critical circuits, the phase of the net connection against earth has to be tested, when using an autotransformer 230 V -> 110 V.

Special types

  • other primary or secondary voltages
  • three-phase type


Table


Type

Type size

Sec
power

Voltage
pri

Voltage
sec

Dimensions

Copper
weight

Total
weight

ATU 240

EI 96/35,7

240 VA

110 V

230 V

Zeichnung EI 96

475 g

2,4 kg

ATU 280

EI 96/35,7

280 VA

110 V

230 V

Zeichnung EI 96

475 g

2,4 kg

ATU 320

EI 96/45,7

320 VA

110 V

230 V

Zeichnung EI 96

570 g

3,0 kg

ATU 360

EI 96/45,7

360 VA

110 V

230 V

Zeichnung EI 96

570 g

3,0 kg

ATU 400

EI 96/59,7

400 VA

110 V

230 V

Zeichnung EI 96

600 g

3,6 kg

ATU 500

EI 96/59,7

500 VA

110 V

230 V

Zeichnung EI 96

600 g

3,6 kg

ATU 600

EI 120/53

600 VA

110 V

230 V

Zeichnung EI 120

970 g

5,5 kg

ATU 700

EI 120/53

700 VA

110 V

230 V

Zeichnung EI 120

970 g

5,5 kg

ATU 800

EI 120/73

800 VA

110 V

230 V

Zeichnung EI 120

1200 g

6,9 kg

ATU 1000

EI 120/73

1000 VA

110 V

230 V

Zeichnung EI 120

1200 g

6,9 kg

 

 

 

 

 

 

 

 

ATE 240

EI 96/35,7

240 VA

230 V

110 V

Zeichnung EI 96

475 g

2,4 kg

ATE 280

EI 96/35,7

280 VA

230 V

110 V

Zeichnung EI 96

475 g

2,4 kg

ATE 320

EI 96/45,7

320 VA

230 V

110 V

Zeichnung EI 96

570 g

3,0 kg

ATE 360

EI 96/45,7

360 VA

230 V

110 V

Zeichnung EI 96

570 g

3,0 kg

ATE 400

EI 96/59,7

400 VA

230 V

110 V

Zeichnung EI 96

600 g

3,6 kg

ATE 500

EI 96/59,7

500 VA

230 V

110 V

Zeichnung EI 96

730 g

3,6 kg

ATE 600

EI 120/53

600 VA

230 V

110 V

Zeichnung EI 120

970 g

5,5 kg

ATE 700

EI 120/53

700 VA

230 V

110 V

Zeichnung EI 120

970 g

5,5 kg

ATE 800

EI 120/73

800 VA

230 V

110 V

Zeichnung EI 120

1200 g

6,9 kg

ATE 1000

EI 120/73

1000 VA

230 V

110 V

Zeichnung EI 120

1200 g

6,9 kg

Technical changes and optimisation reserved. All details are guide values, variations are possible.

12/2015


Isolating transformerIsolating transformer


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