MERSEN FUSE DV-RECTI.EINSATZ 125A 500V GR DIVGR50V125

MERSEN FUSE DV-RECTI.EINSATZ 125A 500V GR DIVGR50V125

Mersen J207054 DVGR50V125 RECTICUR DV high-speed gR semiconductor fuse link rated at 125 A, 500 V AC and 400 V DC for industrial power electronic protection.

SKU: J207054Alt SKU: DIVGR50V125MPN: J207054
Price
List Price £76.36 ex VAT
Your Price (ex VAT)
£76.36
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) £76.36
Trade pricing is personalised to your account

Manufacturer Lead Time

Sold in packs of 5

£76.36

Why Choose the Mersen J207054 RECTICUR DV Fuse Link?

The Mersen J207054, catalogue number DVGR50V125, is a high-speed 125 A gR semiconductor fuse link engineered to protect sensitive power electronic devices against overloads and short-circuit currents. Part of the trusted Mersen RECTICUR D range, it provides rapid fault interruption for industrial drives, rectifiers, converters and semiconductor power circuits.

Rated for operation at 500 V AC and 400 V DC, the J207054 is specifically designed to minimise the let-through energy reaching semiconductor devices. Its gR operating characteristic delivers full-range protection for diodes, thyristors, IGBTs and variable speed drives, helping maximise equipment reliability and reduce downtime.

Manufactured with a robust ceramic body and high-quality conductive contacts, the fuse offers excellent thermal stability, dependable performance and a long operational life. The compact DV screw-fuse format allows straightforward installation into compatible DIN D fuse holders for demanding industrial applications.

Key Advantages

  • High-speed gR semiconductor protection.
  • 125 A rated current for industrial power electronics.
  • 500 V AC / 400 V DC voltage rating.
  • Rapid fault interruption to minimise semiconductor damage.
  • Robust ceramic construction for demanding industrial environments.
  • Compatible with standard DV DIN D fuse holders.

Key Features

  • Mersen RECTICUR D series.
  • DVGR50V125 catalogue designation.
  • 125 A rated current.
  • 500 V AC / 400 V DC rated voltage.
  • gR full-range semiconductor protection.
  • High-speed fuse element.
  • Ceramic insulated body.
  • DIN D DV fuse format.
  • Designed for power electronic equipment.

High-Speed Protection for Industrial Power Electronics

The Mersen J207054 is engineered to rapidly interrupt excessive fault currents before they can damage expensive semiconductor devices. Its specialised gR characteristic significantly limits thermal and mechanical stress on sensitive power electronic components.

This fuse is ideally suited for protecting industrial drives, rectifiers, converters and other power electronic equipment where dependable semiconductor protection is essential for system reliability and operational continuity.

Typical Applications

  • Variable speed drives.
  • Industrial rectifiers.
  • Power converters.
  • Thyristor and diode protection.
  • IGBT power modules.
  • Industrial automation equipment.

Technical Specifications

Current 125 A
Voltage 500 V
Manufacturer Mersen
Series RECTICUR D
Model J207054
Catalogue number DVGR50V125
Product type High-speed semiconductor fuse link
Fuse system DIN D screw fuse system
Fuse size DV
Operating characteristic gR
Rated current 125 A
Rated voltage AC 500 V AC
Rated voltage DC 400 V DC
Body material Ceramic
Mounting type Screw-in DIN D fuse
Typical applications Semiconductor protection
EAN 4086500003181
Device Type Fuse link
Fuse Type Semiconductor
Fuse Class gR

Frequently Asked Questions

What is the Mersen J207054 used for?

The Mersen J207054 protects semiconductor devices including rectifiers, thyristors, diodes, IGBTs and industrial motor drives against overloads and short-circuit currents.

What is the current rating of the J207054 fuse?

The J207054 has a rated current of 125 A.

What voltage is the Mersen J207054 rated for?

The fuse is rated for operation at up to 500 V AC and 400 V DC.

What does the gR characteristic mean?

The gR designation identifies a high-speed, full-range semiconductor fuse designed to protect sensitive power electronic devices against both overload and short-circuit currents.

Which fuse holder is compatible with the J207054?

The J207054 is a DV DIN D fuse link designed for installation in compatible DV screw-type fuse bases and holders.

Trusted Semiconductor Protection from Mersen

Mersen RECTICUR semiconductor fuse links are trusted by machine builders, panel manufacturers and industrial automation engineers for dependable protection of high-value power electronic equipment.

● 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...