# Eltaş Transformer 3300 kVA 34.5 kV / 590V 12-Pulse Railway Traction Transformer

> Eltaş Transformer 3300 kVA 34.5 kV / 590V 12-Pulse Railway Traction Transformer belongs to the Railway & Traction Transformers category and is rated at 3300 kVA with 34.5/0.59 kV primary/secondary voltage. Application: Metro & Light Rail 750V/1500V DC Traction Rectifier Supply. Final ratings must be verified against the manufacturer datasheet.

> SKU: VF-ELTAS-TRAC-3300-345 | Brand: Eltaş Transformatör | Category: Power & Energy Equipment / Transformers / Special Industrial & Process Transformers / Railway & Traction Transformers

**Voltformer canonical:** https://voltformer.com/product/eltas-transformer-3300-kva-34-5-kv-590v-12-pulse-railway-traction-transformer - markdown version: https://voltformer.com/product/eltas-transformer-3300-kva-34-5-kv-590v-12-pulse-railway-traction-transformer.md

## Overview

Eltaş Transformer 3300 kVA 34.5 kV / 590V 12-Pulse Railway Traction Transformer is intended for Metro & Light Rail 750V/1500V DC Traction Rectifier Supply. Configured electrical data: 3300 kVA, 34.5/0.59 kV primary/secondary voltage, 50 Hz, 3-phase, vector group configuration-specific vector group and short-circuit impedance 8%. Construction: Copper (Cu-Cu); cooling: AN/AF; loss class: Railway Heavy Duty Traction Grade. These values support preliminary engineering selection; verify insulation levels, thermal limits, short-circuit duty, installation conditions and applicable standards against the manufacturer datasheet and the site study.

- **Application:** Metro & Light Rail 750V/1500V DC Traction Rectifier Supply
- **Target industries:** Municipal Metro & Transit Systems, Tram & Light Rail Transit (LRT)
- **Brand:** [Eltaş Transformatör](https://voltformer.com/brand/eltas-transformator.md) - Leading manufacturer producing cast-resin dry-type (up to 25 MVA 36 kV), oil-immersed distribution, railway traction rectifier and special industrial process transformers in its state-of-the-art facil
- **Category:** [Power & Energy Equipment](https://voltformer.com/catalog.md) / **Transformers** / [Special Industrial & Process Transformers](https://voltformer.com/category/special-industrial-process-transformers.md): Arc furnace (EAF), green hydrogen electrolyser, rectifier, traction and mining Ex-proof transformers. / [Railway & Traction Transformers](https://voltformer.com/category/special-industrial-process-transformers/railway-traction-transformers.md)

## Technical Specifications

| Property | Value |
|---|---|
| Rated power | 3300 kVA |
| Primary / secondary voltage | 34.5 kV / 0.59 kV (±2 x 2.5%) |
| Frequency / phases | 50 Hz / 3-phase - Dy11d0 (12-pulse phase-shifted) |
| Short-circuit impedance (Uk) | 8% |
| No-load loss P0 | 3.50 kW |
| Load loss Pk | 25.0 kW |
| Calculated efficiency (power factor = 1) | 99.14% at 100% load; 99.41% at 50% load |
| Loss class | Railway Heavy Duty Traction Grade |
| Windings | Copper (Cu-Cu) - cooling: AN/AF - insulation: Class H (180°C) |
| Temperature rise | 100 K - sound pressure: 61 dB(A) |
| Mass and dimensions | 8400 kg - 2400×1400×2350 mm |
| Enclosure | IP00 / optional IP23 - wheel gauge: 1070 mm |
| LI / AC withstand | 170 kV peak / 70 kV rms - partial discharge: 5 pC |
| Environment | -25°C / +40°C; altitude ≤ 1000 m |
| Core steel | CRGO Laser-Treated Grain-Oriented Silicon Steel (23ZDMH85 / Baosteel B23R085) |
| Bushings / terminals | Direct Copper Busbar Terminals (Busbar Integrated / IP00-IP31) |

## Standards

- IEC 60076-11
- EN 50329
- IEC 60146
- TSE

## Accessories

**Included:** PT100 Temperature Probes, Impact Protection Barrier
**Optional:** IP23 Protection Enclosure

## Official sources

- https://www.eltas.com.tr/

- **Source scope:** manufacturer-family
- **Last reviewed:** 2026-09-13

Manufacturer portfolio/family source. Confirm the exact order code, guaranteed ratings and project-specific options against the current OEM datasheet before procurement or an SLD study.

## Pricing & Logistics

- Pricing type: RFQ (On Request) - Indicative range: $45,000 – $53,000 USD
- Delivery time: 2–8 weeks (may vary depending on technical configuration, factory capacity and destination) - Warranty: 36 months
- Compliance candidates: IEC 60076-11, EN 50329, IEC 60146, TSE. Verify applicability and conformity against the exact offered model and project jurisdiction.

## RFQ

Request a formal factory quotation via Voltformer RFQ:

```json
POST https://voltformer.com/api/v1/rfq
{"companyName":"Example Energy","email":"procurement@example.com","items":[{"skuOrId":"VF-ELTAS-TRAC-3300-345","quantity":1}]}
```

Full catalog JSON: https://voltformer.com/agent-catalog.json - OpenAPI: https://voltformer.com/openapi.json