Wöhner 31943 three-pole cylindrical fuse holder with integrated pilot switch for 22 x 58 mm fuse links, rated 100 A and 690 V AC for industrial power distribution and control panels.
£101.06
The Wöhner 31943 is a robust three-pole cylindrical fuse holder with integrated pilot switch, designed to provide reliable overcurrent protection for industrial electrical distribution systems. Suitable for 22 x 58 mm fuse links with striker pin, it enables rapid identification of operated fuses through its built-in pilot switch, helping minimise downtime and simplify maintenance.
As part of the trusted Wöhner AMBUS® Panel system, the 31943 is engineered for panel builders, machine manufacturers and industrial automation applications. Its DIN rail mounting design, large conductor clamping range and halogen-free construction make installation quick while ensuring long-term reliability in demanding environments.
With a 100 A rated current and 690 V AC operating voltage, the Wöhner 31943 is ideal for protecting three-phase power circuits, switchgear assemblies, motor control centres and OEM machinery requiring dependable fuse protection.
The Wöhner 31943 securely accommodates three 22 x 58 mm cylindrical fuse links, providing dependable overcurrent protection while allowing maintenance personnel to identify operated fuses quickly using the integrated pilot switch. This improves troubleshooting efficiency and reduces machine downtime.
Its rugged construction, international approvals and DIN rail mounting make it a dependable choice for industrial switchboards, automation panels and power distribution equipment where safety and reliability are essential.
| Current | 80 A |
|---|---|
| Manufacturer | Wöhner |
| Series | AMBUS® Panel |
| Model | 31943 |
| Product type | Three-pole cylindrical fuse holder with pilot switch |
| Fuse size | 22 x 58 mm |
| Number of poles | 3 |
| Rated current | 100 A |
| Rated voltage | 690 V AC |
| Rated insulation voltage | 800 V AC |
| Rated impulse withstand voltage | 6 kV |
| Mounting type | DIN rail |
| Dimensions (W × H × D) | 108 × 146 × 69 mm |
| Weight | approx. 541 g |
| Material | Halogen-free |
It is designed for 22 x 58 mm cylindrical fuse links with a striker pin.
The unit is a three-pole fuse holder for protecting three-phase electrical circuits.
The pilot switch provides remote indication when a fuse has operated, making maintenance and fault finding quicker.
The fuse holder is designed for fast and secure installation on a standard DIN mounting rail.
It is commonly installed in industrial switchboards, motor control centres, automation panels and OEM machinery.
Wöhner fuse holders are trusted by electrical engineers and panel builders worldwide for delivering dependable circuit protection, robust construction and long service life 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...