SKU: 31574Alt SKU: 31574000BMPN: 31574
31574 Wohner D0 switch-disconnector-fuse, for 3-pole busbar system

31574 Wohner D0 switch-disconnector-fuse, for 3-pole busbar system

Wöhner 31574 SECUR 60Classic EasyLiner 3-pole D0 switch disconnector fuse for D01 and D02 fuse links, rated 63 A and 400 V AC for industrial power distribution.

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Why Choose the Wöhner 31574 D0 Switch Disconnector Fuse?

The Wöhner 31574 is a premium 3-pole D0 switch disconnector fuse from the SECUR® 60Classic EasyLiner range, designed for safe switching and protection of low voltage power distribution systems. Engineered for direct mounting onto compatible 3-pole busbar systems, it provides reliable switching, circuit isolation and fuse protection for industrial control panels and electrical distribution equipment.

Featuring an operator-independent snap-action switching mechanism, the Wöhner 31574 ensures consistent switching performance regardless of operating speed. The innovative spring terminal technology enables fast, tool-free conductor installation during first assembly, helping reduce installation time while maintaining secure electrical connections.

Rated at 63 A and 400 V AC, this switch disconnector is designed for D01 and D02 fuse links and is suitable for a wide range of industrial power distribution, machinery and automation applications requiring dependable overcurrent protection and safe isolation.

Key Advantages

  • Designed for D01 and D02 fuse links.
  • 63 A rated current for industrial applications.
  • 400 V AC rated voltage.
  • Operator-independent snap-action switching mechanism.
  • Tool-free spring terminal connections for rapid installation.
  • Direct mounting onto compatible Wöhner 3-pole busbar systems.

Key Features

  • Wöhner Part Number: 31574
  • Series: SECUR® 60Classic EasyLiner.
  • Product type: D0 switch disconnector fuse.
  • 3-pole configuration.
  • Compatible with D01 and D02 fuse links.
  • 63 A rated current.
  • 400 V AC rated voltage.
  • Bottom conductor connection with spring clamp terminals.

Reliable Protection and Isolation for Industrial Power Systems

The Wöhner 31574 combines safe circuit isolation with dependable fuse protection, making it ideal for industrial switchboards and machine control systems. Its snap-action switching mechanism delivers reliable operation while the robust construction ensures long service life in demanding environments.

Designed as part of the Wöhner 60Classic busbar system, this switch disconnector simplifies panel assembly and maintenance while providing secure protection for low voltage electrical installations.

Typical Applications

  • Industrial power distribution panels.
  • Machine control cabinets.
  • Motor control centres.
  • OEM electrical equipment.
  • Factory automation systems.
  • Low voltage switchgear installations.

Technical Specifications

Phase Three Phase
Manufacturer Wöhner
Series SECUR® 60Classic EasyLiner
Model 31574
Product type D0 switch disconnector fuse
Configuration 3-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
Standards IEC 60947-1:2020, IEC 60947-3:2020
Approvals IEC (CB), VDE, CCC
Pack quantity 1
EAN 4021267315740

Frequently Asked Questions

What is the Wöhner 31574 used for?

It is a 3-pole D0 switch disconnector fuse used for switching, isolation and fuse protection in industrial low voltage power distribution systems.

Which fuse links are compatible?

The unit accepts standard D01 and D02 fuse links.

What is the rated current?

The Wöhner 31574 has a maximum rated current of 63 A.

What busbar systems is it compatible with?

It is suitable for 3-pole busbar systems using 12, 15, 20, 25, 30 × 5 mm, 30 × 10 mm and section busbars.

Does the switch use snap-action switching?

Yes. The operator-independent snap-action mechanism provides consistent and reliable switching performance for safe operation.

Trusted by Electrical Professionals Worldwide

Wöhner SECUR® switch disconnectors are trusted by panel builders, machine manufacturers and industrial engineers for dependable circuit protection, safe isolation and reliable long-term performance in low voltage power distribution systems.

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