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31138 Wohner holder for cylindrical fuses, with LED
Wöhner 31138 AMBUS Panel 3-pole LED cylindrical fuse holder for 14 × 51 mm fuse links, rated at 50 A for industrial electrical protection.
£66.55
Why Choose the Wöhner 31138 LED Cylindrical Fuse Holder?
The Wöhner 31138 is a premium 3-pole cylindrical fuse holder with integrated LED indication designed for 14 × 51 mm cylindrical fuse links. As part of the trusted Wöhner AMBUS® Panel range, it delivers dependable overcurrent protection while providing instant visual indication of a blown fuse. The integrated LED allows maintenance engineers to quickly identify the affected circuit, helping reduce downtime and improve maintenance efficiency in industrial installations.
Designed for standard DIN rail mounting, the Wöhner 31138 combines a compact, touch-safe construction with a generous conductor clamping range for quick and secure installation. An integrated label holder further simplifies circuit identification, making this fuse holder an excellent choice for industrial control panels, switchgear and OEM machinery.
With a 50 A rated current and an LED operating range of 110 to 690 V AC/DC, the Wöhner 31138 is ideally suited for protecting three-phase electrical systems, automation equipment and industrial power distribution applications where fast visual fault indication is essential.
Key Advantages
- Designed for 14 × 51 mm cylindrical fuse links.
- Integrated LED indication for rapid identification of blown fuses.
- 50 A rated current for industrial applications.
- 110 to 690 V AC/DC LED operating range.
- 3-pole configuration for three-phase installations.
- DIN rail mounting for straightforward installation.
- Touch-safe construction improves operator safety.
- Suitable for industrial control panels, switchgear and OEM machinery.
Key Features
- Wöhner AMBUS® Panel series.
- Accepts 14 × 51 mm cylindrical fuse links.
- 50 A rated current.
- 690 V AC rated voltage.
- 110 to 690 V AC/DC LED operating range.
- Integrated LED blown fuse indication.
- DIN rail mounting.
- Complies with IEC 60947-1 and IEC 60947-3 standards.
Reliable Circuit Protection with Visual Fault Indication
The Wöhner 31138 protects industrial electrical circuits against overloads and short circuits while providing immediate visual confirmation when a fuse link has operated. The integrated LED indicator enables maintenance personnel to identify failed circuits quickly, reducing troubleshooting time and improving machine availability.
Designed for industrial electricians, panel builders and automation engineers, the Wöhner AMBUS® Panel range combines dependable electrical performance, robust construction and compliance with internationally recognised standards for demanding industrial environments.
Typical Applications
- Industrial control panels.
- Three-phase power distribution systems.
- Machine building.
- OEM electrical equipment.
- Industrial automation systems.
- Motor protection circuits.
Technical Specifications
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| Conductor Size | 1.5–35 mm² | |
|---|---|---|
| Device Type | Busbar holder / support | |
| Current | 50 A | |
| Poles | 3-pole | |
| Manufacturer | Wöhner | |
| Series | AMBUS® Panel | |
| Model | 31138 | |
| Product type | LED cylindrical fuse holder | |
| Fuse size | 14 × 51 mm | |
| Rated current | 50 A | |
| Rated voltage | 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 | 1.5 to 35 mm² | |
| Standards | IEC 60947-1, IEC 60947-3 |
Frequently Asked Questions
What is the Wöhner 31138 used for?
It is a 3-pole LED fuse holder designed for 14 × 51 mm cylindrical fuse links used in industrial electrical protection systems.
What does the integrated LED indicate?
The LED illuminates when the installed fuse link has operated, allowing maintenance engineers to quickly identify the failed circuit.
What fuse size does it accept?
The Wöhner 31138 accepts 14 × 51 mm cylindrical fuse links.
What is the rated current?
The fuse holder has a maximum rated current of 50 A.
Where is the Wöhner 31138 commonly installed?
It is commonly installed on DIN rails within industrial control panels, switchgear, machinery and power distribution systems.
Trusted by Electrical Professionals Worldwide
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.
