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.
£64.24
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.
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.
| Current | 50 A |
|---|---|
| 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 |
It is designed for 14 × 51 mm cylindrical fuse links with striker pin manufactured to IEC / HD 60269-2.
The pilot switch provides remote indication when the fuse has operated, the fuse holder is open or no fuse is installed.
The fuse holder has a rated current of 50 A.
It mounts directly onto a standard DIN rail for quick and simple installation.
It is widely used in industrial control panels, switchboards, machine control systems and automation equipment where remote fuse monitoring is required.
Wöhner AMBUS® Panel fuse holders are trusted worldwide for delivering reliable circuit protection, compact installation and intelligent monitoring capabilities for modern industrial electrical systems.
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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...