Wöhner 31398 Mersen Class CC time-delay cylindrical fuse link rated at 5 A, 600 V AC and 300 V DC, with a 200 kA AC short-circuit current rating for control transformer protection.
£23.50
The Wöhner 31398 is a high-performance Class CC time-delay cylindrical fuse link designed to protect control transformers and industrial electrical circuits against overloads and short-circuit faults. Manufactured by Mersen for the Wöhner product range, this compact fuse is suitable for control panels, switchgear, machinery and industrial automation systems requiring UL-compliant circuit protection.
With a rated current of 5 A and a rated voltage of 600 V AC, the Wöhner 31398 accommodates temporary transformer inrush currents without unnecessary operation. Its time-delay characteristic helps maintain equipment availability during normal energisation while providing dependable interruption of sustained overloads and high fault currents.
The fuse also carries a 300 V DC rating and delivers a short-circuit current rating of up to 200 kA AC. Its durable porcelain construction, compact Class CC format and high breaking capacity make it an effective solution for demanding industrial installations and OEM electrical equipment.
Time-delay fuses such as the Wöhner 31398 are designed to withstand brief current surges that occur when control transformers and other inductive equipment are energised. This reduces nuisance fuse operation while ensuring sustained overloads and short-circuit faults are safely interrupted.
Its compact Class CC dimensions, high interrupting capacity and AC and DC voltage ratings make the Wöhner 31398 suitable for space-conscious industrial control panels where dependable, standards-compliant electrical protection is required.
| Current | 5 A |
|---|---|
| Manufacturer | Wöhner |
| Fuse manufacturer | Mersen |
| Model | 31398 |
| Type number | ATQR |
| Product type | Class CC cylindrical fuse link |
| Rated current | 5 A |
| Rated voltage AC | 600 V AC |
| Rated voltage DC | 300 V DC |
| Rated frequency | 50 / 60 Hz |
| Fuse size | Class CC, 10 × 38 mm |
| Operating characteristic | Time delay |
| Short-circuit current rating AC | 200 kA |
| Short-circuit current rating DC | 100 kA |
| Primary application | Control transformer protection |
| Standards | UL 248-1 and UL 248-4 |
| Approval | UL |
| UL file | E2137 |
| Body material | Porcelain |
| Halogen-free | Yes |
| Dimensions (W × H × D) | 10 × 10 × 38 mm |
| Weight | approx. 8 g |
| Pack quantity | 10 |
| EAN | 4021267313982 |
The Wöhner 31398 is primarily used to protect control transformers and industrial control circuits against sustained overloads and short-circuit faults.
The fuse has a rated current of 5 A.
The Wöhner 31398 is rated for operation at up to 600 V AC and 300 V DC.
The time-delay characteristic allows the fuse to tolerate brief transformer inrush currents without unnecessary operation while maintaining protection against sustained overloads and short circuits.
The Wöhner 31398 is a Class CC 10 × 38 mm fuse link and must be installed in a compatible Class CC fuse holder with appropriate electrical ratings.
Wöhner Class CC fuse links provide compact, reliable and UL-compliant circuit protection for panel builders, OEM manufacturers and industrial automation specialists.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...