# Astor 1600 kVA 34.5/0.4 kV Natural Ester Fluid (Envirotemp FR3) Hermetic Transformer

> Astor 1600 kVA 34.5/0.4 kV Natural Ester Fluid (Envirotemp FR3) Hermetic Transformer belongs to the Oil-Immersed Hermetic Distribution Transformers category and is rated at 1600 kVA with 34.5/0.4 kV primary/secondary voltage. Application: Outdoor Heavy-Duty Industrial Distribution. Final ratings must be verified against the manufacturer datasheet.

> SKU: VF-AST-EST-1600-345 | Brand: Astor Enerji | Category: Power & Energy Equipment / Transformers / Distribution Transformers / Oil-Immersed Hermetic Distribution Transformers

**Voltformer canonical:** https://voltformer.com/product/astor-1600-kva-34-5-kv-ester-oil-hermetic-transformer - markdown version: https://voltformer.com/product/astor-1600-kva-34-5-kv-ester-oil-hermetic-transformer.md

## Overview

Astor 1600 kVA 34.5/0.4 kV Natural Ester Fluid (Envirotemp FR3) Hermetic Transformer is intended for Outdoor Heavy-Duty Industrial Distribution. Configured electrical data: 1600 kVA, 34.5/0.4 kV primary/secondary voltage, 50 Hz, 3-phase, vector group Dyn11 and short-circuit impedance 6%. Construction: Copper (Cu-Cu); cooling: KNAN; 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:** Outdoor Heavy-Duty Industrial Distribution
- **Target industries:** Cement Plants & Stone Quarries, Mining & Mineral Processing Plants, Outdoor Substations
- **Brand:** [Astor Enerji](https://voltformer.com/brand/astor-enerji.md) - Turkey's transformer production giant Astor Enerji manufactures oil-immersed hermetic, cast-resin dry-type and power transformers up to 800 kV in its modern 140,000 m² facilities in Ankara ASO 2. OSB,
- **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. / [Oil-Immersed Hermetic Distribution Transformers](https://voltformer.com/category/distribution-transformers/oil-immersed-hermetic-transformers.md)

## Technical Specifications

| Property | Value |
|---|---|
| Rated power | 1600 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% |
| No-load loss P0 | 1.20 kW |
| Load loss Pk | 13.0 kW |
| Calculated efficiency (power factor = 1) | 99.1203% at 100% load; 99.4468% at 50% load |
| Loss class | Ecodesign Tier 2 |
| Windings | Copper (Cu-Cu) - cooling: KNAN - insulation: Class A |
| Temperature rise | 65 K - sound pressure: 59 dB(A) |
| Mass and dimensions | 4650 kg - 1950×1350×2150 mm |
| Enclosure | IP54 - wheel gauge: 820 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
- TS EN 50708 series
- EU 548/2014 + 2019/1783 Tier 2

## Accessories

**Included:** Configuration-specific technical value, Configuration-specific technical value, Configuration-specific technical value
**Optional:** Dial Type Contact Thermometer, Online Oil Moisture Probe

## Official sources

- https://astoras.com.tr/

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

Manufacturer family/application source. Astor Enerji Envirotemp FR3 doğal ester sıvılı hermetik dağıtım transformatörleri; 300°C üzerinde yanma noktası ve %100 biyolojik çözünürlüğüyle su havzaları ve yangın riski yüksek tesislerde çevre dostu çözüm sunar. 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: $24,800 – $28,900 USD
- Delivery time: 2–8 weeks (may vary depending on technical configuration, factory capacity and destination) - Warranty: 36 months
- Compliance candidates: IEC 60076, 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-AST-EST-1600-345","quantity":1}]}
```

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