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31121 Wohner holder for cylindrical fuses
Wöhner 31121 AMBUS Panel 1-pole plus neutral cylindrical fuse holder for 22 × 58 mm fuse links, rated at 100 A and 690 V AC for industrial electrical distribution and protection.
£43.94
Why Choose the Wöhner 31121 Cylindrical Fuse Holder?
The Wöhner 31121 is a high-performance 1-pole + neutral cylindrical fuse holder designed for 22 × 58 mm cylindrical fuse links in industrial electrical distribution and protection systems. As part of the trusted Wöhner AMBUS® Panel range, it provides reliable overcurrent protection for industrial switchboards, control panels and OEM equipment while ensuring safe and efficient operation.
Designed for standard DIN rail installation, the Wöhner 31121 features a compact design, touch-safe construction and a wide conductor clamping range for straightforward installation. The neutral conductor is positioned on the right-hand side, making it ideal for modern three-wire and single-phase industrial distribution applications.
With a 100 A rated current and an operating voltage of up to 690 V AC, the Wöhner 31121 is well suited to protecting motors, transformers, industrial machinery and power distribution circuits where dependable fuse protection is essential.
Key Advantages
- Designed for 22 × 58 mm cylindrical fuse links.
- 1-pole + neutral configuration with neutral on the right.
- 100 A rated current for demanding industrial applications.
- 690 V AC operating voltage.
- Large conductor clamping range for simplified wiring.
- Compact DIN rail mounting design.
- Touch-safe construction improves operator safety.
- Suitable for industrial power distribution and control panels.
Key Features
- Wöhner AMBUS® Panel series.
- Accepts 22 × 58 mm cylindrical fuse links.
- 100 A rated current.
- 690 V AC rated operating voltage.
- 1-pole + neutral (N on right).
- DIN rail mounting.
- Suitable for conductor sizes from 4 to 50 mm².
- Complies with IEC 60947-1 and IEC 60947-3.
Reliable Circuit Protection for Industrial Installations
The Wöhner 31121 securely houses cylindrical fuse links to protect electrical systems against overloads and short circuits. Its durable thermoplastic construction and high-quality terminals provide dependable long-term performance while allowing quick and safe fuse replacement during maintenance.
Trusted by panel builders and electrical engineers worldwide, the Wöhner AMBUS® Panel range delivers reliable protection, easy installation and long service life in demanding industrial environments.
Typical Applications
- Industrial control panels.
- Power distribution boards.
- Motor protection circuits.
- Machine building.
- OEM electrical equipment.
- Industrial automation systems.
Technical Specifications
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| Conductor Size | 4–50 mm² | |
|---|---|---|
| Device Type | Busbar holder / support | |
| Current | 80 A | |
| Phase | Single Phase | |
| Manufacturer | Wöhner | |
| Series | AMBUS® Panel | |
| Model | 31121 | |
| Product type | Cylindrical fuse holder | |
| Fuse size | 22 × 58 mm | |
| Rated current | 100 A | |
| Rated voltage | 690 V AC | |
| Rated insulation voltage (Ui) | 800 V AC | |
| Rated impulse withstand voltage (Uimp) | 6 kV | |
| Configuration | 1-pole + neutral (N on right) | |
| Mounting type | DIN rail | |
| Protection rating | IP20 | |
| Conductor size | 4 to 50 mm² | |
| Standards | IEC 60947-1, IEC 60947-3 |
Frequently Asked Questions
What is the Wöhner 31121 used for?
It is a 1-pole + neutral fuse holder designed for 22 × 58 mm cylindrical fuse links used in industrial electrical protection and distribution systems.
What fuse size does it accept?
The Wöhner 31121 is designed for 22 × 58 mm cylindrical fuse links.
What is the rated current?
The fuse holder has a maximum rated current of 100 A.
Where is the neutral conductor located?
This version features the neutral conductor on the right-hand side of the protected pole.
Where is the Wöhner 31121 typically 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, machine builders and panel manufacturers for delivering reliable circuit protection, safe installation and dependable long-term performance.
