Call Us Today
01706 242050
Trade Portal
MERSEN FUSE DII-SCHRAUBKAPPE 00690.000000

MERSEN FUSE DII-SCHRAUBKAPPE 00690.000000

Mersen Z218108 DII porcelain screw cap without testing hole for D-system fuse holders, rated 25 A and 500 V AC/DC.

SKU: Z218108Alt SKU: 00690.000000MPN: Z218108
Price
List Price £4.93 ex VAT
Your Price (ex VAT)
£4.93
Manufacturer Lead Time Please contact us for a delivery time before you order
Get the best trade prices Trade exclusive

Create a trade account to unlock exclusive pricing, special offers and more.

Sign up for a trade account Quick & easy setup
SUBTOTAL (EX VAT) £4.93
Trade pricing is personalised to your account

Manufacturer Lead Time

Sold in packs of 20

£4.93

Why Choose the Mersen Z218108 DII Screw Cap?

The Mersen Z218108 is a high quality DII porcelain screw cap designed for use with DIN D-system fuse installations. Manufactured by Mersen, this screw cap securely retains DII fuse links within compatible fuse bases while providing excellent electrical insulation and reliable mechanical protection for low voltage electrical distribution systems.

Manufactured from durable electrical-grade porcelain, the Z218108 offers outstanding heat resistance, long service life and dependable performance in demanding industrial and commercial environments. Its design without a testing hole provides enhanced insulation while maintaining a secure connection for compatible DII fuse assemblies.

Rated for 25 A and suitable for 500 V AC / 500 V DC installations, the Mersen Z218108 is ideal for switchboards, electrical distribution panels, industrial machinery and OEM equipment requiring reliable D-system fuse accessories.

Key Advantages

  • Genuine Mersen DII porcelain screw cap.
  • Designed for 500 V AC and 500 V DC fuse systems.
  • 25 A current rating for compatible DII installations.
  • Porcelain construction provides excellent electrical insulation and durability.
  • Design without testing hole offers enhanced insulation.
  • Suitable for industrial, commercial and OEM electrical equipment.

Key Features

  • Mersen D-system fuse accessory.
  • Model: Z218108.
  • Catalogue number: 00690.000000.
  • DII screw cap.
  • 25 A rated current.
  • 500 V AC / 500 V DC rated voltage.
  • Porcelain construction.
  • Without testing hole.
  • RoHS compliant.

Reliable Performance for D-System Fuse Installations

The Mersen Z218108 securely retains DII fuse links while providing excellent insulation and mechanical protection. Its robust porcelain construction ensures dependable operation in demanding electrical installations while helping maintain the integrity of low voltage power distribution systems.

Designed for straightforward installation and long service life, this screw cap is widely used by electrical contractors, panel builders and maintenance engineers for both new installations and replacement applications.

Typical Applications

  • Industrial switchboards.
  • Commercial electrical distribution panels.
  • Low-voltage power distribution systems.
  • Industrial machinery.
  • OEM electrical equipment.
  • Maintenance and replacement of DII fuse holders.

Technical Specifications

Manufacturer Mersen
Series D-System Screw Caps
Model Z218108
Catalogue number 00690.000000
Product type DII porcelain screw cap
Fuse size DII
Thread size E27
Rated current 25 A
Rated voltage 500 V AC / 500 V DC
Construction Porcelain
Testing hole No
EAN 4086500005321
RoHS compliant Yes
Product weight Approx. 38.8 g
HS Code 85361050
Device Type Accessory
Fuse Type D / D0 (Neozed/Diazed)
Fuse Size DII
Current 25 A
Voltage 500 V

Frequently Asked Questions

What is the Mersen Z218108 used for?

It is a DII porcelain screw cap designed to secure D-system fuse links within compatible fuse bases.

What fuse size is compatible?

The Z218108 is designed for DII fuse systems with an E27 thread.

Does this screw cap have a testing hole?

No. The Z218108 features a porcelain design without a testing hole, providing enhanced insulation.

What voltage and current is this screw cap rated for?

The Z218108 is rated for 25 A and is suitable for 500 V AC and 500 V DC installations.

Where is this product typically installed?

It is commonly installed in industrial switchboards, electrical distribution panels and machinery using compatible DII D-system fuse holders.

Trusted by Electrical Professionals Worldwide

Mersen D-system fuse accessories are trusted by panel builders, electrical contractors and maintenance engineers for delivering dependable protection, safe operation and long-term reliability in demanding electrical installations.

● Service Agreements

Credit Accounts

Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.

 Priority sourcing and supply support

 Flexible payment terms for qualifying organisations

 Support for engineering, maintenance, and operations

500 +

Stock lines ready to ship

1,000 +

Same day dispatches

3500 +

Customers supported

28 

Trusted Manfacturers

● frequently asked questions

Common questions about our products and support

 

At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.

What product ranges do you supply

We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products. 

Can you help specify the correct part?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

Do you have stock for urgent orders?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What are your delivery times and costs?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What about warranties, returns and faulty items?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

● latest blog

Discover  our latest insights and
expert advice

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

by | Aug 11, 2026 |

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.

LED Controls: Danfoss Drives Authorised Partner

LED Controls: Danfoss Drives Authorised Partner

by | Jan 17, 2026 |

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...

LED Controls: Your Complete Control Panel Solution

LED Controls: Your Complete Control Panel Solution

by | Jan 17, 2026 |

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...