Product Description
Jasco D-type (Diazed) fuse bases - also known as Edison-thread fuse bases - are widely used in European-style distribution boxes, lighting distribution panels, and compact industrial control cabinets.
These products are available in three standard specifications (DI/E16, DII/E27, and DIII/E33) corresponding to rated currents of 25A, 32A, and 63A, respectively, with rated voltages up to 500V AC. They are fully compatible with DII/DIII (Diazed) fuse specifications. When paired with D-type fuse links, they form a complete circuit protection unit designed specifically for D-type screw-in fuses in low-voltage distribution systems.
The body of the Jasco D-type fuse base is constructed from high-strength insulating ceramic, offering excellent thermal stability, insulation properties, and flame retardancy. It withstands the high temperatures generated during fault current flow while effectively minimizing the risk of electric shock or fire. Internal conductive components are made from high-quality copper alloy to ensure low contact resistance, stable current transmission, and superior oxidation resistance.


This fuse base has obtained CE certification.
The standard thread design of the Jasco D-type fuse base ensures seamless compatibility and interchangeability with most Diazed fuses on the market. Its simple screw-in design allows for fuse replacement without complex tools, significantly enhancing maintenance efficiency.
Jasco is a specialized electrical equipment manufacturer based in Yueqing, Zhejiang; we ensure consistent quality and performance by verifying that every product batch complies with the IEC 60269 international standard. We offer logo and packaging customization services to meet the diverse needs of international customers. Thanks to their reliable quality, highly competitive factory-direct pricing, and flexible minimum order quantity (MOQ) policies, our Diazed fuse bases are highly favored by customers across Europe, the Middle East, Africa, and Southeast Asia, serving as trusted components in low-voltage circuit protection projects.
Product Specification

|
Item |
Specification |
|
Product Name |
Dized Fuse Base / Edison Screw Fuse Holder |
|
Brand |
JASCO |
|
Model / Size |
DI/E16, DII/E27, DIII/E33 |
|
Rated Current |
DI/E16: 25A; DII/E27: 32A; DIII/E33: 63A |
|
Rated Voltage |
500V AC |
|
Housing Material |
High-strength Ceramic |
|
Conductor Material |
Copper Alloy |
|
Standard |
IEC 60269, CE Certified |
|
Matching Product |
Dized fuse link |
|
Application |
Low voltage distribution boxes, lighting panels, small machinery control cabinets |
|
Operating Environment |
Ambient temperature: -30℃ ~ +70℃; Altitude ≤2000m; RH ≤95%, non-condensing; No corrosive gas, explosive dust or strong vibration |
|
Origin |
Yueqing, Zhejiang, China |
Product Advantages
Comprehensive Specifications
Available in DI/E16, DII/E27, and DIII/E33 sizes, corresponding to rated currents of 25A, 32A, and 63A, respectively; compatible with various Dized-type fuse bases.
High-Performance Ceramic Housing
Constructed from premium ceramic material, offering excellent insulation, thermal resistance, flame retardancy, and explosion-proof capabilities to ensure operational safety.
High-Quality Copper Conductive Components
Features internal copper alloy contacts that ensure low contact resistance, stable conductivity, and a long service life.
IEC Standard Compliance & CE Certification
Manufactured in strict accordance with IEC 60269 standards and CE certified; dimensions meet industry standards, allowing for direct replacement of standard Dized-type fuse links.
Easy Installation and Maintenance
Utilizes an Edison screw design for simple installation and allows for quick fuse replacement during maintenance.
Factory Direct Sales & OEM Services
The JASCO factory offers customization services for branding (logos) and packaging, ensuring a reliable supply for distributors and contractors.
Company Profile

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