Datasheet

01/12
Tufvassons Transformator AB Märstavägen 20 193 40 Sigtuna Phone +46 (0) 8 594 809 00
Fax +46 (0) 8 592 52 768 E-mail reception@tufvassons.se www.tufvassons.se
A company in the ADDTECH group.
Adapted to your needs
Tufvassons have a wide range of transformers and over fifty years’ experience
of making them ourselves. Within the Testing area we develop power supply for
testing equipment. It might, for example, be a rotary transformer for internal
installation, as well as sealed versions for laboratory use. We are not satisfied
until we have developed a product that meets all the requirements set by your
testing equipment.
1-phase rotary transformer
for testing equipment
The transformer is called an autotransformer, which
means that it doesn’t have separate windings. The
winding consists of double-varnished wire mounted on
a robust frame together with a carbon brush. The
transformer enables stepless voltage control with
retained sine shape. It is highly efficient and
electromagnetic interference is completely avoided.
Just like other products from Tufvassons, the
transformer is easy to install. It is mounted on a panel
or in a chassis by means of four screws.
Type: OIEA 3
Part. no.: 9854-0028
Input voltage: 230V
Output voltage: 0-260V
Frequency: 50-300Hz
Load: max 3.0 A cont. 2.8 A
Weight: 3.3 kg
Encapsulation class: IP00
Ambient temperature: max 45°C
Insulation test: 2.5 kV
Design: - Autotransformer wound with double-varnished wire.
- Winding and carbon brush mounted on a robust frame.
- Knob with scale 0-100 supplied.
- Easily replaceable carbon brush.
Mounting: Panel or chassis mounting with four screws.
Manufacturing standard: Safety: EN 61558-1; EN 61558-2-14
Emissions: EN 61 000-6-3; EN 61 000-6-4, IEC 62041
Immunity: EN 61 000-6-1; EN 61 000-6-2, IEC 62041

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