Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
31557 Wohner switch-disconnector for D0 fuses up to 63 A
Wöhner 31557 SECUR Panel 3-pole D0 switch disconnector with integrated LED indication for D01 and D02 fuse links up to 63 A.
£70.12
Why Choose the Wöhner 31557 D0 Switch Disconnector with LED?
The Wöhner 31557 is a robust 3-pole D0 switch disconnector with integrated LED indication, designed for D01 and D02 fuse links up to 63 A. Part of the renowned SECUR® Panel range, it combines safe load switching with visual blown-fuse indication, enabling rapid fault identification while providing dependable circuit isolation in industrial electrical installations.
Manufactured by Wöhner, a global leader in low-voltage power distribution technology, the 31557 features an operator-independent snap-action switching mechanism that guarantees reliable opening and closing regardless of handle speed. The integrated LED indication simplifies maintenance by immediately identifying an operated fuse, helping reduce downtime in industrial control systems.
Designed for DIN rail mounting, the Wöhner 31557 supports conductor sizes from 1.5 to 35 mm², is rated at 63 A, and provides a permanently IP20 touch-safe front. It is ideally suited to industrial switchboards, machine control panels and commercial power distribution systems requiring reliable three-phase protection.
Key Advantages
- Designed for D01 and D02 fuse links up to 63 A.
- 3-pole switching for three-phase circuits.
- Integrated LED blown-fuse indication.
- Operator-independent snap-action mechanism.
- DIN rail mounting for straightforward installation.
- Touch-safe front protection improves operator safety.
Key Features
- Wöhner SECUR® Panel switch disconnector.
- Three-pole configuration.
- 63 A rated current.
- Integrated LED fuse status indication.
- Suitable for D01 and D02 fuse links.
- DIN rail mounting.
- IP20 front protection.
- Industrial-grade construction.
Reliable Three-Phase Circuit Isolation
The Wöhner 31557 provides dependable switching and overcurrent protection for three-phase electrical systems. Its integrated LED indication allows maintenance engineers to identify blown fuse links quickly, while the snap-action mechanism ensures consistent switching performance and dependable isolation.
Its compact DIN rail design makes it suitable for industrial switchgear, distribution boards, motor control centres and OEM machinery where reliable three-phase protection and fast maintenance are essential.
Typical Applications
- Industrial control panels.
- Motor control centres.
- Machine building.
- Distribution boards.
- OEM electrical equipment.
- Commercial switchgear.
Technical Specifications
Tick the specs you need, then view products that match.
| Fuse Type | D / D0 (Neozed/Diazed) | |
|---|---|---|
| Device Type | Fuse switch disconnector | |
| Mounting Type | DIN rail | |
| Conductor Size | 1.5–35 mm² | |
| Current | 63 A | |
| Phase | Three Phase | |
| Poles | 3-pole | |
| Manufacturer | Wöhner | |
| Model | 31557 | |
| Part number | 31557 000A | |
| Product type | D0 switch disconnector with LED | |
| Series | SECUR® Panel | |
| Number of poles | 3 | |
| Fuse compatibility | D01 / D02 | |
| Maximum fuse current | 63 A | |
| Rated operational voltage | 400 V AC | |
| Rated insulation voltage (Ui) | 800 V | |
| Connection capacity | 1.5–35 mm² copper conductors | |
| Mounting | DIN rail | |
| Protection rating | IP20 (front) | |
| Housing width | 81 mm | |
| Depth | 70 mm | |
| Standards | DIN EN 50274 |
Frequently Asked Questions
What is the Wöhner 31557 used for?
The Wöhner 31557 is a three-pole DIN rail mounted D0 switch disconnector with integrated LED indication for protecting and isolating three-phase electrical circuits.
What is the maximum current rating?
The switch disconnector has a maximum rated current of 63 A.
Which fuse links are compatible?
The Wöhner 31557 accepts D01 and D02 fuse links.
What does the integrated LED indicate?
The LED provides visual indication when a fitted fuse link has operated, allowing quicker fault diagnosis and maintenance.
Where is the Wöhner 31557 typically installed?
It is commonly installed in industrial switchgear, machine control panels, motor control centres and commercial power distribution systems.
Trusted for Industrial Circuit Protection
Wöhner SECUR® Panel switch disconnectors are trusted by panel builders, OEM manufacturers and industrial electricians for delivering dependable three-phase circuit isolation, rapid fuse indication and reliable long-term performance.
