MERSEN FUSE 6 URD 33 TDF 1800 6URD33TDF1800

MERSEN FUSE 6 URD 33 TDF 1800 6URD33TDF1800

Why Choose the MERSEN FUSE 6 URD 33 TDF 1800 6URD33TDF1800?

SKU: Z300425Alt SKU: 6URD33TDF1800MPN: Z300425
Price
List Price £381.30 ex VAT
Your Price (ex VAT)
£381.30
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.

SUBTOTAL (EX VAT) £381.30
Trade pricing is personalised to your account

Manufacturer Lead Time

Sold in packs of 3

£381.30

Why Choose the Mersen Z300425 High-Speed Semiconductor Fuse?

The Mersen Z300425 is an industrial high-speed semiconductor fuse intended to protect sensitive power electronic equipment against damaging short-circuit currents. It is suited to applications where rapid fault interruption and effective current limitation are required to safeguard valuable semiconductor components.

The Z300425 helps restrict the thermal and mechanical energy transferred to power electronics during an electrical fault. Its high-speed operating characteristics support the protection of components such as IGBTs, thyristors, diodes and rectifier assemblies, helping reduce the risk of component failure, costly repairs and unplanned equipment downtime.

Designed for demanding industrial power systems, the Mersen Z300425 may be installed in a compatible fuse assembly within motor drives, converters, inverters, uninterruptible power supplies and automation equipment. Exact electrical ratings, dimensions and terminal arrangements should be checked against the original fuse markings or current Mersen technical documentation before installation.

Key Advantages

  • High-speed semiconductor protection for industrial power electronics.
  • Rapid short-circuit interruption helps protect sensitive switching devices.
  • Current-limiting performance helps reduce damaging let-through energy.
  • Suitable for semiconductor-based power conversion equipment.
  • Robust construction for demanding industrial environments.
  • Helps improve equipment reliability and reduce maintenance downtime.

Key Features

  • Mersen high-speed fuse technology.
  • Manufacturer reference: Z300425.
  • Fast operating response during short-circuit conditions.
  • High current-limiting capability.
  • Designed for coordinated protection of power semiconductor devices.
  • Suitable for industrial power conversion and automation equipment.
  • Industrial-grade construction for dependable service.
  • Suitable for OEM, maintenance and replacement applications.

Reliable Protection for Power Electronics

High-speed semiconductor fuses operate more rapidly than conventional general-purpose fuses. This fast response limits the electrical energy reaching sensitive semiconductor components, where even a brief short circuit can permanently damage switching devices and associated circuitry.

Correct fuse selection is essential for maintaining coordinated protection within an industrial power electronic system. Matching the complete Mersen reference, rated current, rated voltage, operating characteristic, dimensions and terminal configuration helps preserve equipment safety, performance and reliability.

Typical Applications

  • Variable frequency drives and industrial motor drives.
  • Power converters and rectifier systems.
  • Industrial inverters and switching equipment.
  • Uninterruptible power supplies and backup power systems.
  • Renewable energy power conversion equipment.
  • Industrial automation and electrical control panels.

Technical Specifications

Manufacturer Mersen
Model Z300425
Product type High-speed semiconductor fuse
Protection application Power semiconductor equipment
Operating characteristic High-speed / ultra-fast
Typical protected components IGBTs, thyristors, diodes and rectifier assemblies
Typical installation Compatible industrial fuse assembly
Typical environment Control panels and power conversion equipment
Rated current Confirm from the fuse marking or official Mersen datasheet
Rated voltage Confirm from the fuse marking or official Mersen datasheet
Breaking capacity Confirm from current Mersen technical documentation
Utilisation category Confirm from current Mersen technical documentation
Terminal configuration Confirm against the original fuse assembly
Replacement requirement Match the complete reference, ratings, dimensions and connection format
Device Type Fuse link
Fuse Type Semiconductor

Frequently Asked Questions

What is the Mersen Z300425 used for?

The Mersen Z300425 is a high-speed fuse intended to protect sensitive power electronic equipment against damaging short-circuit currents.

Which components can the Z300425 protect?

Depending on the equipment design and protection coordination, high-speed fuses of this type may be used to protect components such as IGBTs, thyristors, diodes and rectifier assemblies.

Where is this fuse typically installed?

It may be installed in a compatible fuse assembly within industrial drives, converters, inverters, UPS equipment and other semiconductor-based power systems.

Can a general-purpose fuse replace the Mersen Z300425?

No. A replacement should match the complete Mersen reference, electrical ratings, operating characteristic, dimensions and terminal arrangement to maintain the intended protection performance.

How should the correct electrical ratings be confirmed?

The current rating, voltage rating, breaking capacity, utilisation category and connection format should be checked against the original fuse marking, equipment documentation or current Mersen technical data before installation.

Trusted for Industrial Power Protection

Mersen high-speed fuses are widely specified by equipment manufacturers, panel builders and maintenance engineers for dependable protection of critical power electronic systems.

● 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…

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

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

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...