31104 Wohner D02 screw cap, plastic, with reducer for D01

31104 Wohner D02 screw cap, plastic, with reducer for D01

Wöhner 31104 D02 plastic screw cap with integrated D01 reducer and inspection hole. Rated at 400 V AC for industrial D-system fuse installations.

SKU: 31104Alt SKU: 31104000MPN: 31104000
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Sold in packs of 20

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Why Choose the Wöhner 31104 D Screw Cap?

The Wöhner 31104 is a durable D02 screw cap with integrated reducer for D01 fuse links, designed for use in low voltage industrial electrical distribution systems. Manufactured from high-quality plastic, it provides secure retention, reliable insulation and simplified installation for D-system fuse assemblies. The integrated reducer allows D01 fuse links to be fitted into D02 fuse bases, increasing installation flexibility.

Rated for operation up to 400 V AC and supplied with an E18 thread, the 31104 incorporates an inspection hole that allows quick visual checking of the installed fuse without removing the screw cap. Its robust design helps improve maintenance efficiency while maintaining a high level of electrical safety.

Designed and manufactured to Wöhner's renowned engineering standards, the 31104 complies with IEC 60269 requirements and is widely used by panel builders, OEM manufacturers and electrical contractors in industrial switchboards, distribution boards and machine control panels.

Key Advantages

  • Designed for D02 fuse bases with D01 reducer.
  • Integrated reducer allows D01 fuse links to be used in D02 systems.
  • 400 V AC rated operation.
  • Inspection hole enables quick fuse status checks.
  • Durable insulated plastic construction.
  • Suitable for industrial switchboards and distribution systems.

Key Features

  • Manufacturer: Wöhner.
  • Part number: 31104.
  • D02 screw cap with integrated D01 reducer.
  • E18 thread.
  • 400 V AC rated voltage.
  • Integrated inspection hole.
  • High-quality plastic construction.
  • Complies with IEC 60269 standards.

Reliable Protection for D Fuse Installations

The Wöhner 31104 securely retains D01 fuse links within D02 fuse bases, providing dependable insulation and mechanical protection while allowing installers to standardise fuse installations using a single base size. The integrated inspection hole simplifies routine maintenance by enabling quick visual inspection of installed fuse links.

Its robust insulated construction and precision engineering make it suitable for demanding industrial environments where long service life, safety and ease of maintenance are essential.

Typical Applications

  • Industrial switchboards.
  • Low voltage power distribution panels.
  • D-system fuse holders.
  • Machine control cabinets.
  • OEM electrical equipment.
  • Industrial automation systems.

Technical Specifications

Manufacturer Wöhner
Model 31104
Product type D02 screw cap with reducer
Fuse compatibility D01 fuse links in D02 fuse bases
Thread size E18
Rated voltage 400 V AC
Material Plastic
Inspection hole Yes
Weight Approx. 1.4 kg per 100 units
Pack quantity 20
Standards IEC 60269-1, IEC 60269-3
Application D-system fuse installations

Frequently Asked Questions

What is the Wöhner 31104 used for?

The Wöhner 31104 is a D02 screw cap with an integrated reducer that allows D01 fuse links to be installed in D02 fuse bases.

What is the voltage rating?

The Wöhner 31104 is rated for operation up to 400 V AC.

What is the purpose of the integrated reducer?

The reducer enables smaller D01 fuse links to be securely fitted into D02 fuse holders.

Does the screw cap include an inspection hole?

Yes. The integrated inspection hole allows the installed fuse to be visually checked without removing the cap.

Where is the Wöhner 31104 typically installed?

It is commonly used in industrial switchboards, distribution panels and machine control equipment fitted with D-system fuse holders.

Trusted by Electrical Professionals Worldwide

Wöhner D fuse accessories are trusted by panel builders, industrial electricians and OEM manufacturers for delivering safe, dependable and long-lasting electrical protection solutions.