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Single-phase railway transformers, 2TTK type

Single-phase railway transformers, 2TTK type

Purpose and design

Single-phase railway transformers are designed to supply electrical appliances of railway infrastructure when specific voltage is required. They are also used as components of rail vehicles. The standard design of the single- phase transformer provides fixing by means of angle brackets screwed to the core. Transformers may have several primary and secondary windings. The windings may provide additional voltage tap changers on the supply and load sides. By agreement, transformers can be supplied in IP 23, IP 44 and IP 54 enclosures with power cable routing through cable glands.

Note:
Upon agreement, we can manufacture a non- standard device with the required technical parameters.
The manufacturer reserves the right to make changes to the parameters due to technical product developments.

Technical specificationsDimension tableDownload

Technical Standards EN/IEC 61558-2-1, EN/IEC 60076, EN/IEC 60310, EN/IEC 61373
Power from 2 kVA to 100 kVA
Primary/secondary voltage up to 1000 V
Secondary voltage up to 1000 V
Frequency 50 / 60 Hz
Protection class IP00
Insulation class F (155°C)
Ambient temperature from -25°C to +40°C
Environment class C1/E0 – land based, C2/E1 – mining and offshore
Protection class class I
Mounting by means of brackets

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