MERSEN FUSE 500V CP 22X58 GG 125A S/I J219773

MERSEN FUSE 500V CP 22X58 GG 125A S/I J219773

Mersen FR22GG50V125 125 A 500 V AC gG cylindrical fuse link providing full-range overload and short-circuit protection for industrial electrical distribution circuits.

SKU: FR22GG50V125Alt SKU: FR22GG50V125MPN: J219773
Price
List Price £3.96 ex VAT
Your Price (ex VAT)
£3.96
In stock. Ships today if ordered before 2pm
Get the best trade prices Trade exclusive

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

SUBTOTAL (EX VAT) £3.96
Trade pricing is personalised to your account

5 in stock (can be backordered)

Sold in packs of 10

£3.96

Why Choose the Mersen FR22GG50V125 Cylindrical Fuse Link?

The Mersen FR22GG50V125 is a high-performance 22 × 58 mm gG cylindrical fuse link designed to provide dependable full-range protection for cables, electrical distribution circuits and industrial equipment. Rated at 125 A and 500 V AC, it is ideal for protecting low-voltage distribution systems, switchgear and power circuits where reliable overcurrent protection is essential.

As part of the trusted Mersen FR22 gG fuse-link series, the FR22GG50V125 provides comprehensive protection against both overload currents and short-circuit faults. Its gG operating characteristic makes it suitable for protecting cables, conductors and electrical installations across its complete operating range.

Manufactured with a durable ceramic body and silver-plated ferrule contacts, the fuse delivers excellent current-limiting performance and long service life. The standard version is supplied without a striker and is designed for installation in compatible 22 × 58 mm fuse holders.

Key Advantages

  • Provides full-range overload and short-circuit protection.
  • 125 A rated current for high-current distribution circuits.
  • 500 V AC rated voltage for industrial low-voltage systems.
  • 120 kA AC breaking capacity for dependable fault interruption.
  • gG utilisation category for comprehensive circuit protection.
  • Compact 22 × 58 mm cylindrical format for standard fuse holders.

Key Features

  • Mersen FR22 gG cylindrical fuse-link series.
  • 125 A rated current.
  • 500 V AC IEC rated voltage.
  • 250 V DC IEC rated voltage.
  • gG full-range fuse characteristic.
  • 120 kA AC breaking capacity.
  • 100 kA DC breaking capacity.
  • High current-limiting performance.
  • Ceramic body with silver-plated contacts.
  • Manufactured to IEC 60269.

Reliable Protection for Electrical Distribution Systems

The Mersen FR22GG50V125 is engineered to protect conductors and connected electrical equipment against sustained overloads and severe short-circuit currents. Its gG operating characteristic provides complete protection across the fuse's entire operating range, making it suitable for protecting cables, switchgear and distribution equipment.

During fault conditions, the fuse rapidly limits and interrupts excessive current, reducing thermal and electrodynamic stress on downstream equipment. This helps improve system reliability while reducing maintenance costs and equipment downtime.

Typical Applications

  • Industrial electrical distribution systems.
  • Low-voltage switchboards.
  • Cable and conductor protection.
  • Power distribution panels.
  • Industrial control panels.
  • OEM machinery and automation systems.
  • Commercial electrical installations.

Technical Specifications

Current 125 A
Voltage 500 V
Manufacturer Mersen
Series FR22 gG Cylindrical Fuse Links
Model FR22GG50V125
Manufacturer item number J219773
Product type Cylindrical general-purpose fuse link
Fuse utilisation category gG
Rated current 125 A
Rated voltage AC 500 V
Rated voltage DC 250 V
Rated breaking capacity AC 120 kA
Rated breaking capacity DC 100 kA
Fuse size 22 × 58 mm
Power dissipation 11.3 W
Current type AC/DC
Indication Without striker
Body material Ceramic
Terminal type Silver-plated ferrule
Weight 54 g
EAN 8430399009230
Applicable standards IEC 60269-1 and IEC 60269-2
RoHS compliant Yes
HS Code 85361090
Country of Manufacture Tunisia
Device Type Fuse link
Fuse Type Cylindrical
Fuse Size 22x58 mm
Fuse Class gG

Frequently Asked Questions

What is the Mersen FR22GG50V125 used for?

The FR22GG50V125 protects cables, electrical distribution circuits and industrial equipment against overload and short-circuit currents.

What are the electrical ratings?

The fuse is rated at 125 A, 500 V AC and 250 V DC, with breaking capacities of 120 kA AC and 100 kA DC.

What does the gG fuse characteristic mean?

A gG fuse provides full-range protection against both overloads and short-circuit faults, making it suitable for protecting cables and general electrical distribution circuits.

Does this fuse include a striker?

No. The FR22GG50V125 is the standard version without a striker. The FR22GG50V125P variant includes an integrated striker.

What size fuse holder is required?

The FR22GG50V125 requires a compatible 22 × 58 mm cylindrical fuse holder.

Trusted Industrial Circuit Protection from Mersen

Mersen cylindrical fuse links are trusted worldwide by electrical engineers, panel builders and OEM manufacturers for dependable protection of industrial electrical distribution systems, cables and low-voltage 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...