# Beijing Sifang Automation (Sifang)

> Founded by relay protection pioneer Academician Yang Qixun, Sifang Automation delivers industry-leading protection relays, bay controllers, and substation automation systems worldwide.

> Headquarters: Beijing, China - Warranty: 3 years - Sample models below: 5 (total catalog models: 5)

**Canonical:** https://voltformer.com/brand/sifang-automation - markdown: https://voltformer.com/brand/sifang-automation.md

## Overview

Founded by relay protection pioneer Academician Yang Qixun, Sifang Automation delivers industry-leading protection relays, bay controllers, 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.sf-auto.com/

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

## Sample Models

- [sifang-csc-g-24kv - Sifang CSC-G Smart Compact Gas-Insulated Switchgear 24 kV](https://voltformer.com/switchgear/sifang-csc-g-24kv.md)
- [sifang-csc-326 - Sifang CSC-326 Transformer Protection IED](https://voltformer.com/product/sifang-csc-326-transformer-protection-ied.md)
- [sifang-csc-211 - Sifang CSC-211 Feeder Protection & Control IED](https://voltformer.com/product/sifang-csc-211-feeder-protection-control-ied.md)
- [sifang-csc-1311 - Sifang CSC-1311 Bay Control & Measurement Unit](https://voltformer.com/product/sifang-csc-1311-bay-control-measurement-unit.md)
- [sifang-csc-101 - Sifang CSC-101 Digital Line Distance & Differential Protection IED](https://voltformer.com/product/sifang-csc-101-digital-line-distance-differential-protection-ied.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.