# Sanbian 2500 kVA 35/0.8-0.8 kV Dual LV Solar Pad-Mounted Transformer

> Sanbian 2500 kVA 35/0.8-0.8 kV Dual LV Solar Pad-Mounted Transformer belongs to the Pad-Mounted Outdoor Transformers category and is rated at 2500 kVA with 35/0.8 kV primary/secondary voltage. Application: Outdoor Solar PV Direct Ground-Mount Step-Up Unit. Final ratings must be verified against the manufacturer datasheet.

> SKU: VF-SANBIAN-PAD-2500-35 | Brand: Sanbian Science & Technology | Category: Power & Energy Equipment / Transformers / Compact Substations, Kiosks & Pad-Mounted / Pad-Mounted Outdoor Transformers

**Voltformer canonical:** https://voltformer.com/product/sanbian-2500-kva-35-0-8-0-8-kv-dual-lv-solar-pad-mounted-transformer - markdown version: https://voltformer.com/product/sanbian-2500-kva-35-0-8-0-8-kv-dual-lv-solar-pad-mounted-transformer.md

## Overview

Sanbian 2500 kVA 35/0.8-0.8 kV Dual LV Solar Pad-Mounted Transformer is intended for Outdoor Solar PV Direct Ground-Mount Step-Up Unit. Configured electrical data: 2500 kVA, 35/0.8 kV primary/secondary voltage, 50 Hz, 3-phase, vector group Dyn11-yn11 and short-circuit impedance 6.5%. Construction: Copper (Cu-Cu); cooling: ONAN / KNAN; loss class: Pad-Mounted Solar 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 Solar PV Direct Ground-Mount Step-Up Unit
- **Target industries:** University & Research Campuses, Public Parks & Mall Surroundings, Data Centers
- **Brand:** [Sanbian Science & Technology](https://voltformer.com/brand/sanbian-science-technology.md) - Manufacturer specialized in 2500 kVA 35 kV Dual LV Solar Pad-Mounted outdoor transformers, 50 MVA 110 kV grid power transformers and amorphous-core ultra-low-loss SCBH15 dry-type transformers.
- **Category:** [Power & Energy Equipment](https://voltformer.com/catalog.md) / **Transformers** / [Compact Substations, Kiosks & Pad-Mounted](https://voltformer.com/category/compact-substations-and-padmounted.md): Monolithic concrete kiosks, pad-mounted outdoor transformers and mobile emergency substations. / [Pad-Mounted Outdoor Transformers](https://voltformer.com/category/compact-substations-and-padmounted/pad-mounted-outdoor-transformers.md)

## Technical Specifications

| Property | Value |
|---|---|
| Rated power | 2500 kVA |
| Primary / secondary voltage | 35 kV / 0.8 kV (±2 x 2.5%) |
| Frequency / phases | 50 Hz / 3-phase - Dyn11-yn11 |
| Short-circuit impedance (Uk) | 6.5% |
| No-load loss P0 | 2.10 kW |
| Load loss Pk | 18.5 kW |
| Calculated efficiency (power factor = 1) | 99.18% at 100% load; 99.46% at 50% load |
| Loss class | Pad-Mounted Solar Tier 2 |
| Windings | Copper (Cu-Cu) - cooling: ONAN / KNAN - insulation: Class A |
| Temperature rise | 65 K - sound pressure: 57 dB(A) |
| Mass and dimensions | 7200 kg - 2400×1850×2100 mm |
| Enclosure | IP55 / NEMA 3R outdoor fullper-Proof - 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

- IEEE C57.12.22
- IEC 60076
- ANSI C57
- CE

## Accessories

**Included:** Dead-Front MV Bushings, Bay-O-Net Fuse Protection, Pressure Relief Valve
**Optional:** Envirotemp FR3 Ester Oil Filling

## Official sources

- https://www.sanbian.cn/en/

- **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: $33,000 – $38,500 USD
- Delivery time: 2–8 weeks (may vary depending on technical configuration, factory capacity and destination) - Warranty: 36 months
- Compliance candidates: IEEE C57.12.22, IEC 60076, ANSI C57, 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-SANBIAN-PAD-2500-35","quantity":1}]}
```

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