# Schneider Electric 3300 kVA 33/0.59 kV Railway & Traction Transformers

> Schneider Electric Trihal 3300 kVA 33 kV 24-pulse dry-type metro traction rectifier transformer.

> SKU: VF-SCH-TRI-TRC-3300-33 | Brand: Schneider Electric | Category: Power & Energy Equipment / Transformers / Special Industrial & Process Transformers / Railway & Traction Transformers

**Voltformer canonical:** https://voltformer.com/product/schneider-electric-trihal-3300-kva-33-kv-metro-dc-traction-transformer - markdown version: https://voltformer.com/product/schneider-electric-trihal-3300-kva-33-kv-metro-dc-traction-transformer.md

## Overview

Schneider Electric 3300 kVA 33/0.59 kV Railway & Traction Transformers is intended for Metro & Light Rail 1500V DC Traction Power Rectifier Supply. Configured electrical data: 3300 kVA, 33/0.59 kV primary/secondary voltage, 50 Hz, 3-phase, vector group configuration-specific vector group and short-circuit impedance 8.2%. Construction: Copper (Cu-Cu); cooling: AN/AF; loss class: Rail Transit Traction Heavy 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 1500V DC Traction Power Rectifier Supply
- **Target industries:** Municipal Metro & Transit Systems, Tram & Light Rail Transit (LRT)
- **Brand:** [Schneider Electric](https://voltformer.com/brand/schneider-electric.md) - World leader in energy management and automation; Schneider Electric offers Trihal cast-resin dry-type, Minera oil-immersed distribution and Minera MP renewable energy transformers with maximum safety
- **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 | 33 kV / 0.59 kV (±2 x 2.5%) |
| Frequency / phases | 50 Hz / 3-phase - Dy11d0 / Dy1d2 (24-pulse, four-secondary) |
| Short-circuit impedance (Uk) | 8.2% |
| No-load loss P0 | 3.60 kW |
| Load loss Pk | 25.0 kW |
| Calculated efficiency (power factor = 1) | 99.1408% at 100% load; 99.4066% at 50% load |
| Loss class | Rail Transit Traction Heavy Grade |
| Windings | Copper (Cu-Cu) - cooling: AN/AF - insulation: Class H (180°C) |
| Temperature rise | 100 K - sound pressure: 62 dB(A) |
| Mass and dimensions | 9200 kg - 2650×1500×2450 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
- CE

## Accessories

**Included:** 24-Pulse Phase Shifting Windings, PT100 Probes, Thermal Protection
**Optional:** IP23 Sheet Metal Enclosure

## Official sources

- https://www.se.com/ww/en/product-range/1083-trihal/
- https://www.se.com/ww/en/

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

Manufacturer family/application source. Schneider Electric Trihal 24-pulse dry-type traction rectifier transformers designed according to EN 50329 / IEC 60146 for DC traction substations in urban metro and tram transit systems. Exact order code, guaranteed losses, dimensions, insulation level, cooling stage, winding material and project options must be confirmed with the OEM before procurement or an SLD study.

## Pricing & Logistics

- Pricing type: RFQ (On Request) - Indicative range: $54,000 – $63,000 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, CE. 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-SCH-TRI-TRC-3300-33","quantity":1}]}
```

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