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31578 Wohner D0 switch-disconnector-fuse, for 5-pole busbar system

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.

SKU: 31578Alt SKU: 31578000BMPN: 31578
Price
List Price £88.45 ex VAT
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£88.45
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Manufacturer Lead Time

£88.45

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.

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