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SETsafe | SETfuse
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Update Date: October 22, 2025


Products, Customers, Establishment Date, Application Markets, Certifications, Environmental Information

SETsafe | SETfuse Designs, Manufactures, and Sells Industry-leading Circuit Control and Safety Protection Components (including over-temperature, over-voltage, over-current, and active protection solutions), while providing Comprehensive Circuit Safety Solutions. Our products are sold in over 40 countries and are trusted by numerous Fortune 500 companies. The company was established in 2000 in Xiamen, Fujian Province, China.


SETsafe | SETfuse products are widely used in markets such as New Energy, Energy Storage, Telecommunications, Lightning Protection, Power Supplies, Lighting, Household Appliances, Mobile Devices, Medical Equipment, and other Electrical Device Sectors. Our products are certified by VDE, TUV, PSE, KC, UL, cUL, cULus, CCC, and CQC, and comply with RoHS and REACH requirements.



SETsafe | SETfuse Main Products Category  Learn more

Over Temperature Protection,  Learn more

Over Voltage Protection,  Learn more

Over Current Protection,  Learn more

Active Protection Components.  Learn more



Management System, Standard  Learn more

SETsafe | SETfuse obtained Quality (IATF 16949, ISO 9001), Environment (ISO 14001), Occupational Health and Safety (ISO 45001) , Energy Management Systems(ISO50001) management system certification, participated in the formulation and revision of a number of national and international standards for circuit protection components.

 


Digital Management  Learn more

SETsafe | SETfuse adopts internationally renowned industrial-grade software to manage enterprises, and conducts digital management from product design, research and development, manufacturing, shipment, and customer needs. Daily work takes OA (Office Automation) as the core to make data with major business systems Docking can achieve paperless office. SETsafe | SETfuse is also working hard to further promote digital transformation, promote the integration and innovation of digital technology and industrial manufacturing, green low-carbon, new energy and other technologies, consolidate intelligent manufacturing, and help high-quality development.


 

Testing and Verification Laboratory  Learn more

SETsafe | SETfuse has obtained the American UL Approved Witness Testing Laboratory (WTDP) (UL 1449, UL 1434, UL 60691), and the German TUV Rheinland authorized laboratory qualification (IEC/EN 60691, IEC/EN 61051-1, IEC/EN 61051-2, IEC/EN 62368-1, IEC/EN 61643-11, IEC/EN 61643-21, IEC/EN 61643-31, IEC/EN 62319-1, IEC/EN 62319-1-1 , IEC/EN 60539-1). More than 1,000 professional testing and experimental equipment, many of which are the best brands in the industry.


 

Product Quality Assurance  Learn more

SETsafe | SETfuse adopts an international management system and standard management company to ensure that SETsafe | SETfuse products can serve global customers. SETsafe | SETfuse has passed the quality (IATF 16949, ISO 9001, German TUV certification, certification). And there are annual and quarterly supervision and audit. SETsafe | SETfuse product quality has strict quality standards from Product Design, Raw Material Selection, Supplier Selection, Audit, Incoming Material Inspection(IQC), Online Inspection, Function Test(FQC, QCFC), and Shipment Inspection(OQC). Mainly included nodes and management:

 

Product Design

Breakthrough innovative design, technology, automated production, strict quality management, make the product quality continue to be high and reliable, and lead the industry.

 

Raw-materials Supplier

Select critical raw materials: Must be from a manufacturer with quality management system (ISO9001, IATF16949) certification.

Annual or Quarterly Audits.

 

IQC (Incoming Quality Control)

AQL(MIL-STD-105E), Dimensions, Function, Visual Inspection, RoHS & REACH Test.

 

Document

Formulate corresponding incoming inspection specifications (01-QA-06-xxx) for each key material according to design data such as material technical indicators.

 

Testing

AQL (MIL-STD-105E, GB/T2828.1-2012) sampling is used to inspect size, function, appearance, RoHS, REACH test, and supplier inspection report confirmation.

 

Testing Equipment and Tools

Projector, Tool Microscope, Salt Spray Tester, Universal Material Testing Machine, Spectrum Analyzer, Function temperature tester, Tension meter, DSC tester etc.

 

Manufacturing Process  

Function temperature test and Online Inspection and Testing (Function 100% Automatic Testing).

 

Document

Process Flow Chart.

Failure Mode and Effects Analysis (FMEA).

Quality Control Flow Chart (QCFC).

Standard Inspection Procedure (SIP).

Work Instruction (WI).

 

Online Testing and Inspection

Resistance test system (100% Automatic Testing).

100% Visual inspection, Fuse aid detection, Soldering appearance CCD detection etc.

 

IPQC (In Process Quality Control)

AQL(MIL-STD-105E), Dimensions Inspection, Function Test, Visual Inspection.

 

FQC (Final Quality Control)

AQL(MIL-STD-105E), Dimensions Inspection, Function Test, Visual Inspection, RoHS & REACH Test.

 

Reliability Test

Each product has a reliability test test specification (01-TE-01-XXX) document, and the reliability test of the product is carried out according to the document, such as vibration, drop, high and low temperature cycle and other experiments (the reliability items of each product are different, It needs to be executed according to the corresponding file).

 

OQC (Outgoing Quality Control)

Use AQL (MIL-STD-105E, GB/T2828.1-2012) sampling to inspect packaging, labels, quantities, product traceability numbers and other items, and 100% confirmation of customer special requirements.

 

Breakthrough innovative design, technology, automated production, and strict quality management (from product design verification, supplier selection, incoming material inspection, process control and inspection, finished product inspection, and shipment inspection, there are documents and rules), so that the product quality is sustainable and reliable, and leads the industry.

 

Environmental

RoHS & REACH Compliant.

All SETsafe | SETfuse products comply with RoHS and REACH regulations(Please refer to the datasheet of each product). To protect the earth from being polluted by products and production, SETsafe | SETfuse has invested a huge cost, and we believe it is worthy.

 

 

Product Application Markets  Learn more

New Energy, Energy Storage, Communications, Lightning Protection, Power Supplies, Lighting, Home Appliances, Mobile Equipment, Medical and other Electrical Equipment markets.

 


Corporate Responsibility  Learn more

SETsafe | SETfuse sells products to the global market, which means more social responsibility. We offer and guarantee safe workplace and environment, to comply with laws and regulations.

 


Customer Relations  Learn more

SETsafe | SETfuse helps customers improve the safety index of their products, plays a pivotal role in the field of circuit protection, which is committed to creating and maintaining excellent customer relationships. From product design, manufacturing, sales to professional customer service support, we provide one-stop service.

 


Welcome to visit:

www.SETsafe.com

www.SETfuse.com

 


Company Vedio






Partner with SETsafe | SETfuse to Transform Technical Challenges into Reliable Solutions

 

When you encounter technical challenges in selecting circuit protection components or designing system solutions, the professional engineering team at SETsafe | SETfuse is your trusted partner. Specializing in over-temperature, over-current, over-voltage, and active protection technologies, SETsafe | SETfuse offers comprehensive technical expertise and rapid response to meet your needs. Whether you require precise product parameter guidance or comprehensive system-level protection solutions, SETsafe | SETfuse delivers professional, practical, and efficient recommendations and support.

 

From initial design consultation and solution implementation to post-sales product assurance, we provide end-to-end collaboration, ensuring your project progresses seamlessly and reliably. For any inquiries or requirements, please contact us at: sales@SETfuse.com

 

Professional Circuit Protection, Supporting You from Concept to Production


Update: September 2025







Xiamen Headquarters








Office, Production Building

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Office, Production Building




Office, Production Building








Meeting









Training








Discuss




Office









Workshop









Beautiful City Xiamen










Beautiful City Xiamen









10+ Years Employee




Our History

2023

Honor

Award by Customer
In February 2023: Award presented by customer: Innovation Respect Award


In March 2023: Award presented by customer: Excellent Quality Award


In March 2023: Award presented by customer: Green Supplier Award

 


Award by Industry
In April 2023: Electric vehicle industry: Excellent component supplier in the global automotive thermal management industry


In May 2023: China International Energy Storage Conference: 2023 Best Innovative Enterprise Award in China Energy Storage Industry


2022

Business Cooperation
In March 2022, SETsafe | SETfuse reached strategic cooperation with Sungrow (stock code: 300274), a leading enterprise in the photovoltaic and energy storage industries, and completed the signing of a strategic investment and cooperation agreement. The cooperation with Sungrow aims to improve the overall level of our company through industrial chain cooperation with benchmarking enterprises and linkage between upstream and downstream, so as to provide high-standard, high-quality circuit protection components and safe circuit protection solutions for the whole world.


 

New Products
Launch several new products for multiple industries


Energy storage industry: Over-current protection products, over-voltage protection products


Electric vehicle industry: Over-current protection products, over-temperature protection products

 


Honor

Fujian Provincial-level Enterprise Technology Center (2021-2022 year)


The Fourth Batch of National-level Specialized and New Small Giant Enterprises (2022-2025 year)


Xiamen Specialized and New Small and Medium-sized Enterprises (2022-2024 year)


2021

New Products

 

Laboratory

Witnessed Test Data Program (WTDP)

SETsafe | SETfuse Obtained Permanent Authorization UL 60691 & UL 1449 & UL1434

UL 60691,CSA C22.2 NO.60691:19.

UL 1449, EDITION 5, ISSUE DATE 01/08/2021 (Surge Protective Devices).

UL 1434, EDTION 1, REVISION DATE 05/18/2020 (THERMISTOR-TYPE DEVICES).

CSA Component Acceptance Service, T.I.L, Class No.9073-31, ISSUE DATE 07/09/1991.

CSA C22.2 No.269.5, EDITION 2, ISSUE, DATE 09/2017 (Surge Protective Devices – Type 5 - Components).

CSA C22.2 No.269.4, EDITION 2, ISSUE, DATE 03/2017 (Surge Protective Devices – Type 4 - Component Assemblies).

 

TÜV Rheinland Authorized Testing Lab

IEC 60691:2015+A1

EN 60691:2016+A1

IEC 61051-1:2018

EN IEC 61051-1:2018

IEC 61051-2:1991+A1

IEC 61051-2-2:1991

IEC 62368-1:2020 Annex G.8

EN IEC 62368-1:2020 Annex G.8

EN 50539-11:2013+A1

IEC 61643-11:2011

EN 61643-11:2012+A11

IEC 61643-21:2012

EN 61643-21:2001+A1+A2

IEC 61643-31:2018

EN 61643-31:2018


Honour

Obtained national(China) high-tech enterprise certificate.


2020

Software

PLM system online

 

Management System

IATF 16949 Automotive Quality Management System Approved.

2019

New Products (Patent)

Thermally Protected Transient Voltage Suppression Diodes (TTVS)


2018

Honour

The leading enterprise of Fujian Science and Technology Giant.

Key tax-paying enterprises in 2017.

The hidden champion company made in China.


Hidden Champion

Hidden Champion Made in China


Honour

Obtained national(China) high-tech enterprise certificate.

2017

Management System

GB/T 29490 Intellectual Property System Approved.

2016

New Products (Patent)

New Automatic Production Line

iTCO Applied in New Energy

2015

Management System

SAP - ERP，OA，CRM，HR system online


Honour

Obtained national(China) high-tech enterprise certificate.


2014

New Products (Patent)

2013

New Products (Patent)

Thermal-Link (DC-ATCO)

2012

2012

New Products (Patent)

Thermal-Link & Fusing Resistor (TRXF)

 

Management System

ISO14001 Environmental Management System Approved.

OHSAS18001 Occupational Health and Safety Management System Approved.


Honour

Obtained national(China) high-tech enterprise certificate.



2011

Honour

First-class enterprise of export classification management.

Xiamen Independent Innovation Pilot Enterprise.

2010

New Products (Patent)

Surge Protective Devices Module (SPD-M)

 

Laboratory

UL1449 WTDP


New Factory

Moved to new factory (independent property right)




2009

Honour

Xiamen Growth Small and Medium-sized Enterprises in 2009.

The largest taxpayer of Xiamen Government in 2008.

Recognition of Xiamen Famous Trademark.

2008

New Products (Patent)

idea Thermal-Link (iTCO)

2007

Management System

ISO9001 Quality Management System Approved.

2006

Software

SAP-ERP system online


2005

New Products (Patent)

Thermal Fuse & MOV (TFMOV)


2004

New Products (Patent)

2003

New Products (Patent)

2002

Laboratory

UL60691 WTDP

2001

New Products (Patent)

Thermal-Link (ATCO)

2000

New Products (Patent)

Thermal-Link (ATCO)

Let's Talk Big Ideas
SETsafe | SETfuseSETsafe | SETfuseSETsafe | SETfuseSETsafe | SETfuseSETsafe | SETfuseSETsafe | SETfuseSETsafe | SETfuseSETsafe | SETfuseSETsafe | SETfuseSETsafe | SETfuse


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© Designs, Manufactures and Markets Industry-leading Circuit control and Safety Protection Components.    备案号：mǐn ICP record No. 09019040