# Dongfang Electronics (DFE)

> Smart energy and power automation pioneer Dongfang Electronics (DFE) delivers high-reliability numerical protection relays and substation automation systems worldwide.

> Headquarters: Yantai, Shandong, China - Warranty: 3 years - Sample models below: 2 (total catalog models: 2)

**Canonical:** https://voltformer.com/brand/dongfang-electronics - markdown: https://voltformer.com/brand/dongfang-electronics.md

## Overview

Smart energy and power automation pioneer Dongfang Electronics (DFE) delivers high-reliability numerical protection relays and substation automation systems worldwide. Request a formal factory quotation through Voltformer. Verify applicable standards, guaranteed ratings and declarations of conformity against the exact offered-model documentation and project jurisdiction. The IEC/EN 50708 series and EU Regulations 548/2014 and 2019/1783 apply only where the transformer and market fall within their legal scope.

## Official sources

- https://www.dongfang-tech.com/en/

- **Last reviewed:** 2026-09-13

## Sample Models

- [dongfang-df3333 - Dongfang Electronics DF3333 Transformer Protection IED](https://voltformer.com/product/dongfang-df3333-transformer-protection-ied.md)
- [dongfang-df3322 - Dongfang Electronics DF3322 Feeder Protection Relay](https://voltformer.com/product/dongfang-df3322-feeder-protection-relay.md)

## RFQ

Use the family-specific search/get tools in [the tool reference](https://voltformer.com/tool-reference.md) to choose an exact SKU or ID. RFQ submission requires authentication, a complete draft and explicit user confirmation; unknown project inputs must not be invented.