Wöhner 31940 AMBUS Panel single-pole cylindrical fuse holder with pilot switch for 14 × 51 mm fuse links with striker pins, rated 50 A at 690 V for mounting-rail installation.
£32.70
The Wöhner 31940 is a professional single-pole cylindrical fuse holder with an integrated pilot switch, designed for 14 × 51 mm fuse links with a striker pin. Part of the Wöhner AMBUS® Panel range, it provides dependable overcurrent protection while enabling remote or local signalling when the fitted fuse link operates.
Rated at 50 A and 690 V, the Wöhner 31940 is suitable for demanding industrial control, machinery and power distribution applications. When a compatible striker fuse ruptures, its striker pin mechanically operates the pilot switch, allowing the fuse status to be integrated into an alarm, monitoring or control circuit.
Designed for mounting-rail installation, this compact fuse holder supports organised panel layouts, straightforward maintenance and efficient fault detection. It is an ideal solution for installations where rapid notification of an operated fuse is required.
The Wöhner 31940 combines conventional fuse protection with a practical signalling function. When a compatible striker-pin fuse link operates, the striker mechanism actuates the integrated pilot switch. This enables the fault condition to be communicated to a control system, indicator, alarm or monitoring circuit.
This functionality can reduce fault-finding time by allowing maintenance personnel or automated systems to identify an operated fuse promptly. It is particularly valuable in industrial processes where rapid intervention and minimised downtime are important.
| Current | 50 A |
|---|---|
| Manufacturer | Wöhner |
| Series | AMBUS® Panel |
| Model | 31940 |
| Manufacturer article number | 31940 000 |
| Product type | Cylindrical fuse holder with pilot switch |
| Fuse size | 14 × 51 mm |
| Compatible fuse type | Cylindrical fuse link with striker pin |
| Configuration | 1-pole |
| Rated current | 50 A |
| Rated voltage | 690 V |
| Indication method | Mechanically operated pilot switch |
| Mounting type | Mounting rail |
It is a single-pole fuse holder for 14 × 51 mm cylindrical fuse links with striker pins, providing circuit protection and pilot-switch signalling when the fuse operates.
The pilot switch changes state when the striker pin of a compatible operated fuse mechanically actuates it, allowing the fuse condition to be signalled to an alarm, control or monitoring circuit.
The holder accepts the 14 × 51 mm format, but the pilot-switch function requires a compatible fuse link equipped with a striker pin.
The Wöhner 31940 is rated at 50 A and 690 V, subject to the selected fuse link and installation requirements.
It is designed for mounting on a suitable rail within an industrial control panel, switchgear assembly or electrical enclosure.
Wöhner AMBUS® Panel fuse holders are used by panel builders, OEM manufacturers and industrial engineers who require reliable circuit protection, compact installation and effective fuse-status monitoring.
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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...