# Schneider Electric 3150 kVA 34.5/0.4 kV Cast-Resin Dry-Type Transformers

> Schneider Electric Trihal 3150 kVA 34.5 kV heavy-duty glass-fiber reinforced cast resin dry-type transformer.

> SKU: VF-SCH-TRI-HD-3150-345 | Brand: Schneider Electric | Category: Power & Energy Equipment / Transformers / Distribution Transformers / Cast-Resin Dry-Type Transformers

**Voltformer canonical:** https://voltformer.com/product/schneider-electric-trihal-3150-kva-34-5-kv-heavy-duty-dry-type-transformer - markdown version: https://voltformer.com/product/schneider-electric-trihal-3150-kva-34-5-kv-heavy-duty-dry-type-transformer.md

## Overview

Schneider Electric 3150 kVA 34.5/0.4 kV Cast-Resin Dry-Type Transformers is intended for Heavy Dynamically Loaded Industry & Marine Distribution. Configured electrical data: 3150 kVA, 34.5/0.4 kV primary/secondary voltage, 50 Hz, 3-phase, vector group Dyn11 and short-circuit impedance 6.5%. Construction: Copper (Cu-Cu); cooling: AN/AF; loss class: Ecodesign Tier 2. 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:** Heavy Dynamically Loaded Industry & Marine Distribution
- **Target industries:** Mining & Mineral Processing Plants, Offshore Oil/Gas & Energy Platforms, Heavy Industry & Mega Plants
- **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** / [Distribution Transformers](https://voltformer.com/category/distribution-transformers.md): 50 kVA–3150 kVA oil-immersed hermetic, conservator and cast-resin dry-type medium-voltage distribution transformers. / [Cast-Resin Dry-Type Transformers](https://voltformer.com/category/distribution-transformers/cast-resin-dry-type-transformers.md)

## Technical Specifications

| Property | Value |
|---|---|
| Rated power | 3150 kVA |
| Primary / secondary voltage | 34.5 kV / 0.4 kV (±2 x 2.5%) |
| Frequency / phases | 50 Hz / 3-phase - Dyn11 |
| Short-circuit impedance (Uk) | 6.5% |
| No-load loss P0 | 3.75 kW |
| Load loss Pk | 24.0 kW |
| Calculated efficiency (power factor = 1) | 99.1267% at 100% load; 99.3848% at 50% load |
| Loss class | Ecodesign Tier 2 |
| Windings | Copper (Cu-Cu) - cooling: AN/AF - insulation: Class H (180°C) |
| Temperature rise | 100 K - sound pressure: 63 dB(A) |
| Mass and dimensions | 8700 kg - 2450×1420×2400 mm |
| Enclosure | IP00 / optional IP31 - 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
- TS EN 50708 series
- EU 548/2014 + 2019/1783 Tier 2

## Accessories

**Included:** PT100 Sensor Package, Temperature Controller, Roller Group
**Optional:** IP31 Enclosure, Forced Fan Kit (2800 kVA AF)

## 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 cast resin dry-type transformers with glass-fiber reinforced epoxy encapsulation certified E4, C4, F1 for extreme climatic and fire hazard resilience. 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: $34,000 – $39,500 USD
- Delivery time: 2–8 weeks (may vary depending on technical configuration, factory capacity and destination) - Warranty: 36 months
- Compliance candidates: IEC 60076-11, TS EN 50708 series, EU 548/2014 + 2019/1783 Tier 2. 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-HD-3150-345","quantity":1}]}
```

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