Wöhner 31143 AMBUS Panel 3-pole LED cylindrical fuse holder for 22 × 58 mm fuse links, rated at 100 A for industrial electrical protection.
£108.42
The Wöhner 31143 is a premium 3-pole cylindrical fuse holder with integrated LED indication designed for 22 × 58 mm cylindrical fuse links. Part of the renowned Wöhner AMBUS® Panel range, it provides dependable overcurrent protection whilst offering immediate visual indication of a blown fuse. The integrated LED enables maintenance engineers to identify failed circuits quickly, helping minimise downtime and improve system availability in demanding industrial environments.
Designed for DIN rail mounting, the Wöhner 31143 combines a robust, touch-safe construction with a large conductor clamping range for secure installation in industrial control panels and switchgear. Its compact 3-pole design makes it ideal for protecting three-phase electrical systems while simplifying maintenance through rapid visual fault indication.
Rated at 100 A with an LED operating range of 110 to 690 V AC/DC, the Wöhner 31143 is ideally suited to industrial automation, machine building, OEM equipment and power distribution systems requiring reliable circuit protection and efficient fault diagnosis.
The Wöhner 31143 provides reliable protection against overloads and short circuits whilst offering instant visual confirmation when a fuse has operated. This enables maintenance personnel to identify failed circuits quickly, reducing troubleshooting time and improving equipment availability across industrial installations.
Developed for industrial electricians, panel builders and machine manufacturers, the AMBUS® Panel range delivers dependable performance, robust construction and compliance with internationally recognised electrical standards for demanding applications.
| Current | 80 A |
|---|---|
| Manufacturer | Wöhner |
| Series | AMBUS® Panel |
| Model | 31143 |
| Product type | LED cylindrical fuse holder |
| Fuse size | 22 × 58 mm |
| Rated current (IEC) | 100 A |
| Rated voltage (IEC) | 690 V AC |
| LED operating voltage | 110 to 690 V AC/DC |
| Rated insulation voltage (Ui) | 690 V AC |
| Rated impulse withstand voltage (Uimp) | 6 kV |
| Number of poles | 3 |
| Mounting type | DIN rail |
| Protection rating | IP20 |
| Conductor size | 4 to 50 mm² |
| Dimensions (W × H × D) | 108 × 115 × 69 mm |
| Permitted fuse power dissipation | 9.5 W |
It is a 3-pole LED fuse holder designed for 22 × 58 mm cylindrical fuse links used in high-current industrial electrical protection systems.
The LED illuminates when the installed fuse link has operated, enabling maintenance engineers to quickly identify the failed circuit.
The Wöhner 31143 accepts 22 × 58 mm cylindrical fuse links.
The fuse holder has a maximum rated current of 100 A.
It is commonly installed on DIN rails within industrial control panels, switchgear, machinery and three-phase power distribution systems.
Wöhner fuse holders are trusted by industrial electricians, panel builders and OEM manufacturers for delivering dependable circuit protection, rapid fault indication and reliable long-term performance in demanding industrial environments.
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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...