Railway & auxiliary
Auxiliary Transformers
Single-phase auxiliary supply for railway signalling and electrification.
5 kVA – 100 kVA · 11 kV / 25 kV railway systems
Data sheet
Technical data
| Rating | 5 kVA – 100 kVA |
|---|---|
| Voltage class | 11 kV / 25 kV railway systems |
| Rating | |
| Capacity | 5 kVA – 100 kVA |
| Phases | Single phase |
| Construction | |
| Core | CRGO, conventional type |
| Conductor | Copper or per customer requirement |
| Compliance | |
| Specification | RDSO ETI/PSI/15 (8/2003), ETI/PSI/15A (7/82) |
| Standards | |
| Designed to | RDSO ETI/PSI/15 (8/2003), RDSO ETI/PSI/15A (7/82) |
Final ratings, losses, impedance and dimensions are confirmed in the guaranteed technical particulars (GTP) for each order.
Overview
Single-phase auxiliary transformers to RDSO specifications, supplied as an approved vendor to Indian Railways.
Auxiliary transformers provide supply to colour-light signals, cabins, cable huts, SPs, SSPs, level crossings, lighting, train heating and safety-system supplies, as well as a substation's own supply. Trafo Power states it is an approved vendor for the supply of auxiliary transformers to Indian Railways.
Applications
- Railway signalling and cabins
- Level crossings and cable huts
- SP / SSP auxiliary supply
- Lighting and train heating
Design & engineering features
- Built to RDSO specifications
- CRGO conventional core
- Copper conductor (or per requirement)
- Colour per customer requirement
Enquire
Request a quotation for auxiliary transformers
Share what you know — rating, voltages, standards, site and timeline. Our engineers will follow up with a GTP and guaranteed losses.
Related
Related products
Power
Power Transformers
High-capacity step-up and step-down transformation for transmission and industry.
3.15 MVA – 50 MVA · up to 132 kV
View data sheet
Distribution
Distribution Transformers
Low-loss, BIS-marked distribution transformers for utilities, industry and infrastructure.
25 kVA – 3,150 kVA · up to 33 kV
View data sheet
Renewable energy
Solar Inverter Duty Transformers
Step inverter output up to grid voltage — engineered for harmonics, cycling and heat.
100 kVA – 25 MVA · up to 66 kV
View data sheet