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03239 Wohner fuse link 300 A
Wöhner 03239 Class J time-delay fuse link with a 300 A current rating, 600 V AC rating and high interrupting capacity for industrial electrical protection.
£328.14
Why Choose the Wöhner 03239 Class J Fuse Link?
The Wöhner 03239 is a premium Class J time-delay fuse link designed to provide reliable overcurrent protection for industrial electrical distribution systems. Manufactured by Wöhner, this industrial fuse protects electrical equipment against overloads and short circuits while ensuring dependable operation in demanding commercial and industrial environments.
Designed for use in standard Class J fuse holders, the Wöhner 03239 features a time-delay operating characteristic that allows temporary motor and transformer inrush currents to pass without unnecessary fuse operation. Its durable porcelain construction and high interrupting capacity make it ideal for protecting industrial control panels, switchboards and power distribution equipment.
With a 300 A current rating, a 600 V AC operating voltage and compliance with UL 248-1 and UL 248-8, the Wöhner 03239 is ideally suited for industrial feeder circuits, OEM machinery and heavy-duty electrical installations.
Key Advantages
- Industrial Class J time-delay fuse link for dependable circuit protection.
- 300 A current rating for heavy-duty industrial applications.
- 600 V AC rated voltage suitable for industrial power systems.
- Time-delay characteristic reduces nuisance operation during motor starting.
- 200 kA interrupting capacity provides excellent fault protection.
- Compatible with standard Class J fuse holders.
Key Features
- Manufacturer: Wöhner.
- Model: 03239.
- Class J time-delay fuse link.
- 300 A rated current.
- 600 V AC rated voltage.
- 50 / 60 Hz operation.
- High-strength porcelain body.
- Designed for industrial feeder circuits and motor protection.
Reliable Protection for Industrial Electrical Systems
Class J fuse links provide dependable protection against overloads and short circuits while accommodating temporary inrush currents generated by motors, transformers and other inductive loads. This helps maximise equipment reliability, minimise downtime and improve electrical system safety.
The Wöhner 03239 is widely specified by electrical engineers, OEM manufacturers and panel builders for industrial power distribution applications requiring reliable overcurrent protection and high fault interrupting capability.
Typical Applications
- Industrial control panels.
- Motor branch circuit protection.
- Power distribution systems.
- Machine building and OEM equipment.
- Industrial switchboards.
- Commercial and industrial electrical installations.
Technical Specifications
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| Current | 300 A | |
|---|---|---|
| Manufacturer | Wöhner | |
| Model | 03239 | |
| Product type | Class J time-delay fuse link | |
| Rated current | 300 A | |
| Rated voltage | 600 V AC | |
| Rated DC voltage | 400 V DC | |
| Frequency | 50 / 60 Hz | |
| Fuse class | Class J | |
| Frame size | Class J 400 A | |
| Breaking capacity | 200 kA AC / 100 kA DC | |
| Material | Porcelain | |
| Halogen free | Yes | |
| Dimensions (H × W × D) | 181 × 54 × 54 mm | |
| Weight | Approx. 670 g | |
| Compliance | UL 248-1, UL 248-8 | |
| HS Code | 85361090 | |
| Country of Manufacture | Mexico |
Frequently Asked Questions
What is the Wöhner 03239 used for?
The Wöhner 03239 is a Class J time-delay fuse link designed to protect industrial electrical circuits against overloads and short circuits.
What is the rated current of the Wöhner 03239?
The fuse has a 300 A rated current.
What voltage is the Wöhner 03239 designed for?
The fuse is rated for operation on systems up to 600 V AC and 400 V DC.
Why use a Class J time-delay fuse?
Time-delay Class J fuses tolerate temporary motor and transformer inrush currents while providing reliable protection against sustained overloads and high fault currents.
Where is the Wöhner 03239 typically installed?
It is commonly installed in industrial control panels, switchboards and feeder circuits using compatible Class J fuse holders.
Trusted for Industrial Circuit Protection
Wöhner Class J fuse links are trusted worldwide by electrical engineers, panel builders and OEM manufacturers for dependable overcurrent protection in demanding industrial power distribution applications.
