Railway transformers

Bearing in mind the specific needs of the railway industry, we manufacture and supply KBI, ATI and API series transformers for a wide range of applications. 

We offer KBI shaped transformers for signal lanterns and SSP, as well as their toroidal counterparts - ATI and API. These transformers are used in voltage converters, SRK, SHL and SOT systems. In the production process, we use vacuum impregnation and resins pouring for hermetic and intrinsically safe products.

Railway transformers - KBI series

These are shaped transformers with a wide range of applications in railway traffic control devices.

Typical models:

No. Transformer type Rated power Primary rated voltage at 50Hz Secondary rated voltage
[VA] [V] [V]
KBI series
1 KBI 1001 45 110/127 11/13/15
2 KBI 1012 102 220 6+24+3+12+6
3 KBI 1052 45 220 130/145
4 KBI 1061 40 220 6+2+8+1+3+1+3
5 KBI 1062 40 220 3+1+4+2+2
6 KBI 1203 100 220 18/22/55/60/65
7 KBI 1401 72 95/110/230 12+12+12
8 KBI 1451 72 95/110/230 12+12+12
9 KBI 300/230/24 300 230 24
10 KBI 300/230/29 300 230 29
11 KBI 300/110/230 300 110 230
12 KBI 300/230/230 300 230 230

Railway transformers - ATI series

These are toroidal transformers, which are a more and more often chosen alternative to the commonly used shaped transformers in the railway sector.

See the advantages of toroidal transformers

Typical models:

No. Transformer type Rated power Primary rated voltage at 50Hz Secondary rated voltage
[VA] [V] [V]
ATI series
1 ATI-30/10/40 30 10 40
2 ATI-35/10/140 35 12 130/133/136/138/140
3 ATI-35/12/130 35 12 115/130
4 ATI-36/127/33 36 127 33
5 ATI-45/127/15/A 45 110 / 127 11/13/15
6 ATI-48/22 50 48 13/13
7 ATI-90/48/140 90 48 140
8 ATI-90/48/60 90 48 60
9 ATI-150/260/130B 150 260 120 / 124 / 128 / 132 / 136 / 140/ 50

Railway transformers - API series

API transformers are made on the basis of iron-nickel cores. 

See the advantages of toroidal transformers

Typical models:

No. Transformer type Rated power Primary rated voltage at 50Hz Secondary rated voltage
[VA] [V] [V]
API series
1 API-35 / 48 / 24 35 48 20
2 API-32 / 140 45 32 150
3 API-48 / 96 45 48 28 / 28 / 28
4 API-50 / 28 / 13A 50 48 33

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