Shaanxi Sefon Electrical Equipment Co.Ltd.

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PRODUCT CENTER

Single-phase Voltage Regulator

Voltage Regulation Equipment

Mobile Vehicle-Mounted Substation

Mobile substation

ENTER SEFON

Corporate Spirit, Innovation, Honesty, Cooperation and Win-win

Shaanxi Sefon Electrical Equipment Co., Ltd. (hereinafter referred to as SEFON) is a high-tech enterprise specializing in R & D, production, sales of electrical equipment and EPC of electric power supply project.

10KV series compensation device runs successfully

Fan Yangfeng,give a report about business operation of SEFON

“Smelt the team, forge ahead” /Outward bound of SEFON completed successfully

SEFON won the Award of Shaanxi Science and Technology Innovation and Entrepreneurship Competition

Company news Industry news

Strengthening Professional Skills and Building a Strong Defense for Power Safety | Sefon Conducts Special Training for 110kV Substations

2026-08-28

Heading to Dubai and Expanding Globally | Sefon Invites You to Meet at Middle East Energy 2026

2026-08-18

Strengthening Skills and Building an Elite Team | Specialized Training on Microcomputer Protection and Dispatch Communication Successfully Completed

2026-08-04

Russian Customer Visits Sefon for On-Site Inspection of Mobile Vehicle-Mounted Substation Products

2026-08-04

Caring for Frontline Employees in the Summer Heat | Xi’an High-Tech Zone Federation of Trade Unions Provides Cooling Supplies to Sefon

2026-07-27

Strengthening Overseas Cooperation | Dubai Customer Representatives Visit Sefon for Inspection and Exchange

2026-06-22

Sefon at ELEKTRO 2026: Let Technology Speak and Expand the Brand Globally

2026-06-11

Meeting in Moscow at ELEKTRO | Sefon Joins Global Partners to Explore New Opportunities in Power Distribution

2026-06-03

How Single-Phase Voltage Regulators Protect Electrical Equipment

2026-10-09

Understanding Input And Output Voltage in Single-Phase Voltage Regulators

2026-09-29

Why Use A Single-Phase Voltage Regulator For Voltage-Sensitive Equipment?

2026-09-22

Key Factors To Consider When Selecting A Single-Phase Voltage Regulator

2026-09-22

SVR automatic step voltage regulator

2020-05-23

What is difference between dry type transformer and oil immersed transformer?

2020-04-14

The operation steps of voltage regulator

2019-10-08

10kv series capacitor complete set device

2019-08-02

CASE

Step voltage regulators BSVR-6300/11-9 are used for Gansu hydropower station

High voltage filter capacitor compensation devices

EPC of electric power project Automatic step voltage regulator series series compensation device Reactive power automatic compensation series Transformer series Circuit breaker series Power quality control series

【MORE+】

Step voltage regulators BSVR-6300/11-9 are used for Gansu hydropower station

High voltage filter capacitor compensation devices

【MORE+】

SVR-4000/10-7was used in Xuancheng, Anhui

Step voltage regulator was used for Xinjiang oilfield special line

Automatic step voltage regulator was used for gas well special line

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10kv series compensation devices were used in Yan’an oilfield

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SVQR-5000/10.5-9 was used in a substation of Yunnan State Grid

TBB-10-1800 reactive power compensation cabinet was used in Fuxian, Yan’an

Column reactive power compensation devices were used in Siping, Jilin

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Dry type transfromer was used for State Grid Shanxi Power Supply Company

Oil immersed distribution transformer was used for State Grid Sichuan Power Supply Company

SVR Step voltage regulators SVR-6300/10-7 are used for Shanxi substation

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ZW20 column vacuum circuit breaker was used for Shaanxi Power Supply Company

ZW32 column vacuum circuit breaker was used for Shaanxi Power Supply Company

【MORE+】

SPC Three phase unbalanced intellegent regulating device

Three phase unbalanced devices 100kvar are used for Shaanxi Power Supply Company

Shaanxi Sefon Electrical Equipment Co.Ltd.

Add: Jinye Road, High-tech Zone, Xi’an, China

Tel: 0086-029-33810859 Fax: 0086-029-33810659

Cell: 0086-186-2907-8118 Email: shaanxi.sefon@outlook.com

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