Globally Certified. Uncompromising Quality.
EssFuse fuses are certified to UL, IEC, CE, TUV and CQC standards, manufactured under ISO 9001:2015 quality management with in-house testing laboratory.
12+
International Certifications
ISO 9001
Quality Management System
100%
Products Tested Before Shipment
18+
Years of Manufacturing Experience
Certified to Global Safety Standards
Our fuses undergo rigorous testing and certification by leading international safety organizations, ensuring compliance with North American, European and Asian market requirements.
UL 248 Series
Underwriters Laboratories certification for low-voltage fuses covering UL 248-1, UL 248-11, UL 248-13, UL 248-14 and UL 248-19 standards.
IEC 60269 Series
International standard for low-voltage fuses covering IEC 60269-1 (general requirements), IEC 60269-4 (semiconductor) and IEC 60269-6 (DC applications).
CE Marking
CE certification confirms compliance with European Union low voltage directive (LVD 2014/35/EU) and electromagnetic compatibility directive (EMC 2014/30/EU).
TUV Rheinland
TUV Rheinland certification for selected product series, ensuring independent third-party verification of safety and performance according to international standards.
CQC Certification
CQC voluntary product certification for the Chinese market, demonstrating compliance with GB/T 13539 (equivalent to IEC 60269) national standards.
RoHS & REACH
All products comply with EU RoHS 2 directive (2011/65/EU) restricting hazardous substances, and REACH regulation (EC 1907/2006) for chemical substance registration.
Our Certification Documents
Verified certificates from leading global certification bodies. Contact us for full-resolution certificate copies.
UL 248-13
Low-Voltage Fuses
File: E475671
UL 248-14
Semiconductor Fuses
File: E475671
IEC 60269
International Standard
Type Test Report
ISO 9001:2015
Quality Management
Certificate No. QMS-2024
CE Declaration
LVD + EMC Directive
DoC Issued
TUV Rheinland
Product Safety
Test Report
CQC Certified
China Quality Centre
CQC Voluntary
RoHS / REACH
Environmental Test
SGS Report
ISO 9001:2015 Certified Quality System
EssFuse operates under a comprehensive ISO 9001:2015 certified quality management system, covering every stage from raw material sourcing to final product shipment. Our quality policy ensures consistent product reliability and continuous improvement.
- ✓ Documented procedures for all manufacturing processes
- ✓ Supplier qualification and incoming material inspection
- ✓ Statistical process control (SPC) on critical dimensions
- ✓ 100% final inspection on electrical performance
- ✓ Annual internal audits and management review
- ✓ Corrective and preventive action (CAPA) system
- ✓ Traceability from raw material to finished product
Quality Management System
2015 Edition Certified
Continuous Improvement Culture
Four-Stage Quality Inspection
Every fuse passes through four rigorous inspection stages before reaching our customers, ensuring zero defects and consistent performance.
Incoming Quality Control
100% inspection of raw materials including fuse elements, end caps, silica sand, housing materials and terminals. Supplier certificates verified per batch.
In-Process Quality Control
Real-time monitoring of production parameters: element resistance, sand filling density, crimping force, welding quality. SPC charts maintained.
Final Quality Control
100% electrical testing: voltage drop, resistance, time-current verification. Visual inspection of markings, dimensions and appearance.
Outgoing Quality Control
Sampling inspection per AQL 0.65 before shipment. Packaging verification, labeling check and Certificate of Conformity issued per order.
Comprehensive Testing Capabilities
Our in-house laboratory is equipped with advanced testing instruments to verify fuse performance under various conditions, reducing certification cycle time and ensuring product reliability.
Breaking Capacity Test
High-current short-circuit testing up to 100kA to verify fuse interruption capability and arc extinction performance.
Temperature Rise Test
Thermal imaging and thermocouple measurement of terminal temperature rise under rated current, per UL and IEC requirements.
Time-Current Test
Precision measurement of fuse opening time at various overload currents to generate time-current characteristic curves.
Vibration & Shock Test
Mechanical vibration and shock testing per USCAR-2 and IEC 60068 for automotive and transportation applications.
Salt Spray Test
Corrosion resistance testing of terminal plating (tin, nickel, silver) per ASTM B117 for harsh environment durability.
Life Cycle Test
Thermal cycling and endurance testing to verify long-term reliability under repeated overload conditions.
Need Certification Documents?
Contact our team for full-resolution certificates, test reports and Declaration of Conformity for your specific product requirements.
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