# Haihong Electric (Guangdong Haihong) 1250 kVA 35/0.4 kV Cast-Resin Dry-Type Transformers

> Haihong SCBH15 1250 kVA 35 kV 3D wound core amorphous alloy cast resin transformer.

> SKU: VF-HAI-SCBH15-1250-35 | Brand: Haihong Electric (Guangdong Haihong) | Category: Power & Energy Equipment / Transformers / Distribution Transformers / Cast-Resin Dry-Type Transformers

**Voltformer canonical:** https://voltformer.com/product/haihong-scbh15-1250-kva-35-kv-3d-wound-amorphous-dry-type-transformer - markdown version: https://voltformer.com/product/haihong-scbh15-1250-kva-35-kv-3d-wound-amorphous-dry-type-transformer.md

## Overview

Haihong Electric (Guangdong Haihong) 1250 kVA 35/0.4 kV Cast-Resin Dry-Type Transformers is intended for LEED Platinum Green Buildings, Data Centers & 24/7 Power Facilities. Configured electrical data: 1250 kVA, 35/0.4 kV primary/secondary voltage, 50 Hz, 3-phase, vector group Dyn11 and short-circuit impedance 6%. Construction: Copper (Cu-Cu); cooling: AN; loss class: Amorphous Ultra Low Loss 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:** LEED Platinum Green Buildings, Data Centers & 24/7 Power Facilities
- **Target industries:** Green Buildings (LEED / BREEAM), Data Centers, Critical Power Infrastructure
- **Brand:** [Haihong Electric (Guangdong Haihong)](https://voltformer.com/brand/haihong-electric.md) - Inventor and global leader of 3D Three-Dimensional Triangular Wound-Core transformer technology; Haihong Electric delivers revolutionary efficiency from 110 kV oil power transformers to naturally-vent
- **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 | 1250 kVA |
| Primary / secondary voltage | 35 kV / 0.4 kV (±2 x 2.5%) |
| Frequency / phases | 50 Hz / 3-phase - Dyn11 |
| Short-circuit impedance (Uk) | 6% |
| No-load loss P0 | 540 W |
| Load loss Pk | 10.2 kW |
| Calculated efficiency (power factor = 1) | 99.1481% at 100% load; 99.508% at 50% load |
| Loss class | Amorphous Ultra Low Loss Grade |
| Windings | Copper (Cu-Cu) - cooling: AN - insulation: Class F (155°C) |
| Temperature rise | 100 K - sound pressure: 53 dB(A) |
| Mass and dimensions | 4650 kg - 1980×1280×1880 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 | Amorphous Alloy Metal Ribbon (1K101 Fe-Si-B High Permeability) |
| 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:** Amorphous Metal Core, PT100 Temperature Probes
**Optional:** IP31 Sheet Metal Enclosure

## Official sources

- https://www.haihong.com/
- https://en.gdhaihong.com/

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

Manufacturer family/application source. Haihong Electric SCBH15 dry-type transformers combine 3D triangular wound core technology with amorphous metal ribbons for balanced three-phase magnetic circuits and minimal excitation loss. 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: $29,500 – $34,500 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-HAI-SCBH15-1250-35","quantity":1}]}
```

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