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31972 Wohner holder for cylindrical fuses, with pilot switch
Wöhner 31972 two-pole DIN rail mounted fuse holder with integrated pilot switch for 14 × 51 mm cylindrical fuse links with striker pin, rated 50 A and 690 V AC.
£51.40
Why Choose the Wöhner 31972 Cylindrical Fuse Holder with Pilot Switch?
The Wöhner 31972 is a high-performance two-pole DIN rail mounted fuse holder with integrated pilot switch, designed for 14 × 51 mm cylindrical fuse links with striker pin. Part of the Wöhner AMBUS® Panel range, it provides dependable overcurrent protection while offering remote fuse status monitoring for industrial control systems and switchgear.
The integrated pilot switch enables remote indication when the fuse has operated, the fuse holder is open or no fuse is installed, making fault diagnosis faster and reducing maintenance downtime. Its DIN rail mounting, large conductor clamping range and integrated label holder make installation quick, organised and maintenance-friendly.
Rated at 50 A with a 690 V AC operating voltage, the Wöhner 31972 is ideal for industrial control panels, automation systems, machine building and OEM equipment requiring reliable fuse protection together with remote signalling capability.
Key Advantages
- Designed for 14 × 51 mm IEC 60269-2 cylindrical fuse links.
- Integrated pilot switch enables remote fuse status monitoring.
- Two-pole configuration for single-phase and two-pole circuits.
- 50 A rated current.
- 690 V AC rated operating voltage.
- DIN rail mounting for rapid installation.
- Large conductor clamping range.
- Integrated label holder simplifies circuit identification.
Key Features
- Wöhner AMBUS® Panel series.
- DIN rail mounted cylindrical fuse holder.
- Compatible with 14 × 51 mm fuse links with striker pin.
- Integrated pilot switch.
- 50 A rated current.
- 690 V AC rated voltage.
- Two-pole construction.
- Large cable clamping range.
- Integrated label holder.
Reliable Protection with Remote Fuse Monitoring
The Wöhner 31972 combines dependable overcurrent protection with remote signalling functionality. The integrated pilot switch provides immediate indication when a fuse has operated, no fuse is installed or the holder is open, allowing control systems and maintenance personnel to identify faults more quickly.
Its compact DIN rail design makes it ideal for industrial switchboards, automation panels and machine control cabinets where efficient installation, dependable protection and rapid maintenance are essential.
Typical Applications
- Industrial control panels.
- Machine building.
- Automation systems.
- OEM electrical equipment.
- Industrial switchboards.
- Power distribution systems with remote monitoring.
Technical Specifications
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| Device Type | Busbar holder / support | |
|---|---|---|
| Current | 50 A | |
| Poles | 2-pole | |
| Manufacturer | Wöhner | |
| Series | AMBUS® Panel | |
| Model | 31972 | |
| Product type | Cylindrical fuse holder with pilot switch | |
| Fuse size | 14 × 51 mm | |
| Fuse standard | IEC / HD 60269-2 | |
| Fuse requirement | Fuse links with striker pin | |
| Number of poles | 2 | |
| Rated current | 50 A | |
| Rated operating voltage | 690 V AC | |
| Rated insulation voltage | 800 V AC / DC | |
| Permitted fuse power dissipation | 6.5 W | |
| Mounting type | DIN rail | |
| Status indication | Integrated pilot switch | |
| Approvals | UL, CSA, CCC |
Frequently Asked Questions
What fuse size does the Wöhner 31972 accept?
It is designed for 14 × 51 mm cylindrical fuse links with striker pin manufactured to IEC / HD 60269-2.
What does the pilot switch do?
The pilot switch provides remote indication when the fuse has operated, the fuse holder is open or no fuse is installed.
What is the rated current of the Wöhner 31972?
The fuse holder has a rated current of 50 A.
How is the Wöhner 31972 installed?
It mounts directly onto a standard DIN rail for quick and simple installation.
Where is the Wöhner 31972 commonly used?
It is widely used in industrial control panels, switchboards, machine control systems and automation equipment where remote fuse monitoring is required.
Trusted by Panel Builders Worldwide
Wöhner AMBUS® Panel fuse holders are trusted worldwide for delivering reliable circuit protection, compact installation and intelligent monitoring capabilities for modern industrial electrical systems.
