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31578 Wohner D0 switch-disconnector-fuse, for 5-pole busbar system
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.
£70.76
Why Choose the Wöhner 31578 D0 Switch Disconnector Fuse?
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.
Key Advantages
- Designed for D01 and D02 fuse links.
- 63 A rated current for industrial applications.
- 400 V AC rated voltage.
- Compatible with 5-pole busbar systems.
- Operator-independent snap-action switching mechanism.
- Tool-free spring clamp conductor terminals for rapid installation.
Key Features
- Wöhner Part Number: 31578
- Series: SECUR® 60Classic EasyLiner.
- Product type: D0 switch disconnector fuse.
- 3-pole configuration.
- Designed for 5-pole busbar systems.
- Compatible with D01 and D02 fuse links.
- 63 A rated current.
- 400 V AC rated voltage.
Reliable Switching and Protection for 5-Pole Busbar Systems
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.
Typical Applications
- Industrial power distribution panels.
- Machine control cabinets.
- Motor control centres.
- OEM electrical equipment.
- Industrial automation systems.
- Low voltage switchgear installations.
Technical Specifications
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| Fuse Type | D / D0 (Neozed/Diazed) | |
|---|---|---|
| Device Type | Fuse switch disconnector | |
| Poles | 5-pole | |
| Mounting Type | Busbar system 60 mm | |
| Current | 63 A | |
| Rail / Busbar Profile | 12 × 5 mm, 15 × 5 mm, 20 × 5 mm, 25 × 5 mm, 30 × 10 mm, 30 × 5 mm | |
| Busbar Centre Distance (mm) | 60 mm | |
| Product Series | Wöhner 60Classic | |
| 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 |
Frequently Asked Questions
What is the Wöhner 31578 used for?
It is a 3-pole D0 switch disconnector fuse designed for switching, isolation and fuse protection on compatible 5-pole industrial busbar systems.
Which fuse links are compatible?
The switch disconnector accepts standard D01 and D02 fuse links.
What is the rated current?
The Wöhner 31578 has a maximum rated current of 63 A.
Which busbar systems is it compatible with?
It is designed for 5-pole busbar systems using 12, 15, 20, 25, 30 × 5 mm, 30 × 10 mm and section busbars.
Does it use snap-action switching?
Yes. The operator-independent snap-action mechanism delivers consistent and reliable switching performance for safe industrial operation.
Trusted by Electrical Professionals Worldwide
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.
