Wöhner 31578 SECUR 60Classic EasyLiner 3-pole D0 switch disconnector fuse for 5-pole busbar systems, suitable for D01 and D02 fuse links, rated 63 A and 400 V AC.
£88.45
The Wöhner 31578 is a high-performance 3-pole D0 switch disconnector fuse from the SECUR® 60Classic EasyLiner range, designed for installation on 5-pole busbar systems. It provides dependable switching, circuit isolation and overcurrent protection for industrial low voltage power distribution, control panels and OEM machinery.
Featuring an operator-independent snap-action switching mechanism, the Wöhner 31578 delivers safe and reliable switching regardless of operating speed. Its integrated spring clamp conductor terminals enable fast, tool-free installation during first assembly, reducing wiring time while maintaining secure electrical connections.
Designed for D01 and D02 fuse links, the unit is rated at 63 A and 400 V AC. It mounts directly onto compatible 5-pole Wöhner busbar systems, providing a compact and efficient solution for industrial electrical distribution.
The Wöhner 31578 combines safe switching, reliable isolation and effective fuse protection in a compact assembly for 5-pole busbar systems. Its robust construction and snap-action switching mechanism provide dependable operation in demanding industrial environments while simplifying installation and maintenance.
As part of the SECUR® 60Classic EasyLiner range, the device integrates seamlessly into Wöhner busbar systems, making it an excellent choice for panel builders, OEM manufacturers and industrial automation specialists.
| Manufacturer | Wöhner |
|---|---|
| Series | SECUR® 60Classic EasyLiner |
| Model | 31578 |
| Product type | D0 switch disconnector fuse |
| Configuration | 3-pole |
| Busbar system | 5-pole |
| Fuse compatibility | D01 and D02 |
| Rated current | 63 A |
| Rated voltage | 400 V AC |
| Utilisation category | AC-22B |
| Switching mechanism | Operator-independent snap action |
| Connection type | Spring clamp terminals |
| Connection position | Bottom |
| Compatible busbars | 12, 15, 20, 25, 30 × 5 mm, 30 × 10 mm and section busbars |
| Depth | 80 mm |
| Permitted fuse power dissipation | 5.5 W |
| Standards | IEC / HD 60269-3 |
| Pack quantity | 1 |
| EAN | 4021267315788 |
It is a 3-pole D0 switch disconnector fuse designed for switching, isolation and fuse protection on compatible 5-pole industrial busbar systems.
The switch disconnector accepts standard D01 and D02 fuse links.
The Wöhner 31578 has a maximum rated current of 63 A.
It is designed for 5-pole busbar systems using 12, 15, 20, 25, 30 × 5 mm, 30 × 10 mm and section busbars.
Yes. The operator-independent snap-action mechanism delivers consistent and reliable switching performance for safe industrial operation.
Wöhner SECUR® switch disconnectors are trusted by electrical engineers, switchgear manufacturers and OEM machine builders for reliable switching, dependable circuit protection and long service life in industrial power distribution 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...