8.5*31.5mm 20A Cylindrical Fuse
The 8.5×31.5mm cylindrical fuse link is a general-purpose low-voltage protection component designed for circuit protection in industrial and electrical systems.
Description
Product Introduction
The 8.5×31.5mm cylindrical fuse link is a general-purpose low-voltage protection component designed for circuit protection in industrial and electrical systems.
Technical Specifications
|
Parameter |
Specification |
|
Product Type |
Cylindrical Fuse Link |
|
Dimensions (D × L) |
8.5 × 31.5 mm |
|
Rated Current (In) |
20 A |
|
Rated Voltage (Un) |
690 V AC |
|
Breaking Capacity |
100 kA |
|
Utilization Category |
gG (Full-range protection) |
|
Standard |
IEC 60269 |
|
Application System |
AC industrial distribution |
|
Body Material |
High-alumina ceramic |
|
End Caps |
Nickel-plated copper alloy |
|
Fuse Element |
Precision alloy element |
|
Arc Quenching Medium |
High-purity silica sand |
Electrical Performance Characteristics
Overload protection: Responds to sustained overcurrent to prevent thermal damage to cables and equipment
Short-circuit protection: High breaking capacity up to 100kA ensures safe interruption of fault currents
System coordination: Suitable for use in coordinated protection systems in industrial distribution and energy infrastructure
Stable performance: Designed for consistent melting behavior under standardized IEC test conditions
Product Structure & Materials
Ceramic body: High-alumina ceramic for thermal stability and mechanical strength under fault stress
Metal end caps: Nickel-plated copper alloy for stable conductivity and corrosion resistance
Fuse element: Precision-engineered alloy strip/wire for controlled melting curve behavior
Arc-quenching medium: High-purity quartz sand for arc energy absorption and interruption performance
Application Scenarios
Industrial control systems and automation equipment
Power supply and converter protection circuits
Low-voltage distribution boards and switchgear
Motor control and auxiliary protection circuits
Electrical systems in industrial and commercial infrastructure
Standards & Compliance
IEC 60269 series (low-voltage fuse-link standards)
ISO 9001 quality management system (factory certified)
UL / CE / TÜV compliance available for selected product lines
RoHS compliance for material safety requirements
Manufacturing & Supply Capability
| Established: | 1988 |
| Experience: | 38+ years in industrial fuse manufacturing |
| Manufacturing base: | Yueqing, Zhejiang (China's electrical industrial cluster) |
| Factory area: | 16,000 m² |
| Annual capacity: | 20,000,000 fuse units |
| Global coverage: | 1,200+ industrial customers in 50+ countries |
| Automation level: | Approximately 65% production automation |
FAQ
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