Industrial Cylindrical fuse links
Cylindrical fuse links are low-voltage protection devices designed to interrupt excessive current in electrical circuits, protecting cables and equipment from overloads and short circuits.
DF Electric’s cylindrical fuse links range is designed to provide safe and reliable protection in industrial electrical installations. The family includes gG cylindrical fuse links for general-purpose protection, aM cylindrical fuse links for motor circuits and neutral links for applications where neutral continuity is required. Designed for panel builders, OEMs and industrial switchboard manufacturers, these solutions cover the most widely used cylindrical sizes and protection requirements. Cylindrical fuse links are used to protect cables, lines, electrical equipment and motor circuits against overloads and short circuits, depending on the fuse category selected. Within the Cylindrical fuse links and fuse holders family, gG fuse links are positioned for general circuit protection, while aM fuse links are intended for short-circuit protection in motors, transformers and circuits with high inrush currents. Available in multiple sizes and ratings, DF Electric’s cylindrical fuse links help engineers and installers choose the right protection solution for each application, improving safety, selectivity and installation efficiency in low-voltage industrial systems.
gG cylindrical fuse links are designed for general-purpose protection in industrial electrical installations. They provide reliable protection against overloads and short circuits in cables, lines and electrical equipment, making them a dependable solution for control panels, switchboards and low-voltage distribution systems.
| Main function |
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| Protection against overloads and short circuits |
| Typical applications |
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| Cables, lines and electrical equipment |
| Range |
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| 8×32 gG Cylindrical fuse links 10×38 gG Cylindrical fuse links 14×51 gG Cylindrical fuse links 22×58 gG Cylindrical fuse links |
aM cylindrical fuse links are designed for motor circuit protection in industrial electrical installations. They provide reliable short-circuit protection in motors, transformers and circuits with high inrush currents, making them a dependable solution for control panels, switchboards and low-voltage motor protection systems.
| Main function |
|---|
| Protection against short circuits |
| Typical applications |
|---|
| Motors, transformers and circuits with high inrush currents |
| Range |
|---|
| 8×32 aM Cylindrical fuse links 10×38 aM Cylindrical fuse links 14×51 aM Cylindrical fuse links 22×58 aM Cylindrical fuse links |
Neutral links are designed for coordinated use in industrial electrical installations. They provide reliable continuity in neutral conductor arrangements within protected assemblies, making them a dependable solution for control panels, switchboards and low-voltage distribution systems requiring phase and neutral coordination.
| Main function |
|---|
| Continuity in neutral conductor arrangements |
| Typical applications |
|---|
| Protected assemblies requiring phase-neutral coordination |
| Range |
|---|
|
8×32 neutral links 10x38 neutral links 14×51 neutral links 22×58 neutral links |
What is the difference between gG and aM cylindrical fuse links?
gG cylindrical fuse links provide full-range protection against overloads and short circuits, making them suitable for general electrical installations. In contrast, aM cylindrical fuse links are designed for motor circuits, providing short-circuit protection while allowing temporary inrush currents without unnecessary fuse operation. Compare gG and aM cylindrical fuse links by size, protection type and typical application to identify the most suitable solution for each installation.
DF Electric cylindrical fuse links
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| Feature | 8×32 gG | 8×32 aM | 10×38 gG | 10×38 aM | 14×51 gG | 14×51 aM | 22×58 gG | 22×58 aM |
|---|---|---|---|---|---|---|---|---|
| Protection Type | Overload + short circuit | Short circuit only | Overload + short circuit | Short circuit only | Overload + short circuit | Short circuit only | Overload + short circuit | Short circuit only |
| Typical Application | Control circuits | Motor circuits | Industrial panels | Motor circuits | Industrial installations | Motor systems | Power distribution | Heavy-duty motor systems |
| Typical Use Case | Auxiliary circuits | Small motors | General protection | Motors with inrush | Industrial loads | Demanding motors | High-power systems | Heavy-duty motors |
| Rated Voltage | Up to 400V AC | Up to 400V AC | Up to 500V AC | Up to 500V AC | Up to 690V AC | Up to 690V AC | Up to 690V AC | Up to 690V AC |
| Breaking Capacity | Very High | Very High | Very High | Very High | Very High | Very High | Very High | Very High |
| Size | Very compact | Very compact | Compact | Compact | Medium | Medium | Large | Large |
| Inrush Handling | Medium | High | Medium | High | Medium | High | Medium | High |
Applications of cylindrical fuse links
Cylindrical fuse links are used in a wide range of low-voltage industrial applications where reliable circuit protection is required. Their compact format, standardized dimensions and category-based selection make them a practical solution for multiple installation environments.
01
Control panels
In control panels, cylindrical fuse links protect internal circuits, auxiliary lines and sensitive electrical devices. Their compact format supports efficient panel layouts while ensuring consistent protection performance in low-voltage control systems.
02
Industrial switchboards
Used across industrial switchboards, cylindrical fuse links protect outgoing feeders, distribution lines and installed equipment. Their standardized design allows easy integration into low-voltage systems requiring dependable circuit protection.
03
OEM electrical equipment
For OEM electrical equipment, cylindrical fuse links ensure protection of internal wiring, functional modules and connected devices. Their versatility makes them suitable for machinery and equipment operating under defined electrical conditions.
04
Distribution circuits
Within distribution circuits, cylindrical fuse links protect cables, electrical lines and downstream equipment. They provide a practical way to adapt protection to different load conditions and installation requirements.
05
Motor protection assemblies
In motor protection assemblies, cylindrical fuse links protect motor circuits and associated electrical components under demanding conditions. Their performance is especially relevant in applications with high inrush currents.
06
Auxiliary circuits
Across auxiliary circuits, cylindrical fuse links protect control lines, signaling devices and secondary systems. They support stable operation in control, monitoring and safety-related electrical functions.
Why choose DF Electric cylindrical fuse links
DF Electric cylindrical fuse links combine reliable circuit protection with the strength of a manufacturer specialized in electrical protection since 1987. Designed and developed with DF Electric’s own manufacturing technology, the range is supported by integrated production processes, advanced automation and a strong focus on quality, testing and continuous improvement. The Cylindrical fuse links and fuse holders range is built for demanding industrial applications where performance, consistency and compliance matter. From product development to final assembly, DF Electric applies highly automated manufacturing processes, verification controls and recognized quality standards to deliver dependable fuse links for low-voltage protection systems.
01
Specialized manufacturing expertise
DF Electric has specialized in the manufacture of fuse links, fuse holders and control transformers since 1987. This long industrial experience supports the development of cylindrical fuse links designed for consistent protection performance across a wide range of low-voltage applications.
02
Integrated production in DF Electric facilities
The production process is fully integrated into DF Electric’s own facilities, allowing close control over manufacturing, assembly and product consistency. This integrated approach helps maintain efficiency, traceability and dependable quality throughout the full production cycle.
03
Advanced and highly automated manufacturing processes
DF Electric states that its manufacturing processes are highly automated and supported by internally developed technological know-how applied to each production line. This manufacturing model strengthens repeatability, production control and the ability to deliver fuse links with stable technical performance.
04
Strong focus on innovation, testing and development
Permanent investment in R&D&I, advanced design and simulation tools, and laboratory equipment for electrical and mechanical testing reinforce the technical development of DF Electric products. These resources support both new product development and periodic controls on products already in production.
05
Verified quality in every manufactured product
DF Electric highlights 100% verification of manufactured products as part of its quality approach. This emphasis on control and verification helps support product reliability in industrial environments where electrical protection performance is critical.
06
Compliance with recognized international standards
DF Electric states that its products comply with widely used international standards such as IEC, EN, UL and CSA, bear the CE mark, and are backed by ISO 9001 approval at company level. For the cylindrical gG and aM ranges specifically, product pages also reference IEC/EN 60269-1, IEC/EN 60269-2 and RoHS compliance.
Need to know
What types of cylindrical fuse links are included in the range?
The CYLINDRICAL range includes gG cylindrical fuse links, aM cylindrical fuse links and neutral links, designed for general circuit protection, motor applications and installations requiring neutral continuity.
What is the difference between gG and aM cylindrical fuse links?
gG cylindrical fuse links provide protection against overloads and short circuits in cables and equipment. aM cylindrical fuse links provide short-circuit protection only, typically in motor circuits with high inrush currents.
Where are cylindrical fuse links typically used?
Cylindrical fuse links are used in control panels, industrial switchboards, OEM equipment, distribution systems and motor protection assemblies, where reliable low-voltage circuit protection is required.
What is a cylindrical fuse link used for?
A cylindrical fuse link is used to protect electrical circuits by interrupting excessive current in case of overload or short circuit, helping prevent damage to cables, equipment and installations.
How do I choose the right cylindrical fuse link?
The correct selection depends on the type of circuit, the protection category (gG or aM) and the electrical characteristics of the installation, including current rating and expected inrush conditions.
When should a neutral link be used?
A neutral link is used when continuity of the neutral conductor must be maintained, typically in installations with coordinated phase-neutral protection requirements.
Can cylindrical fuse links be used for motor protection?
Yes. aM cylindrical fuse links are specifically designed for motor circuits, providing short-circuit protection when used together with an appropriate overload protection device.
Are cylindrical fuse links available in different sizes?
Yes. Cylindrical fuse links are available in a range of standardized sizes and current ratings, allowing adaptation to different installation requirements and protection needs.
What are the advantages of cylindrical fuse links?
Cylindrical fuse links offer compact design, standardized dimensions and reliable protection performance, making them a practical solution for a wide variety of low-voltage industrial applications.