MERSEN FUSE NH 00 50A 400V GG NH00GG40V50

MERSEN FUSE NH 00 50A 400V GG NH00GG40V50

Mersen NH00GG40V50 DIN NH00 gG fuse-link rated 50 A, 400 V AC with double indicator and live gripping lugs for industrial low voltage circuit protection.

SKU: NH00GG40V50Alt SKU: NH00GG40V50MPN: Q227254
Price
List Price £10.52 ex VAT
Your Price (ex VAT)
£10.52
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) £10.52
Trade pricing is personalised to your account

Manufacturer Lead Time

Sold in packs of 3

£10.52

Why Choose the Mersen NH00GG40V50 NH Fuse-Link?

The Mersen NH00GG40V50 is a high-quality DIN NH low voltage gG fuse-link designed to provide dependable full-range protection against overloads and short circuits in industrial and commercial electrical installations. As part of the trusted Mersen NH gG 400 V fuse-link series, it offers reliable protection for cables, conductors, switchgear and general electrical equipment whilst complying with recognised IEC and DIN NH standards.

Designed with a gG utilisation category, this fuse-link protects electrical circuits throughout its complete operating range. Its ceramic body incorporates double indication and live gripping lugs, enabling rapid visual inspection and safe replacement using an approved NH fuse puller.

With a rated current of 50 A, a 400 V AC voltage rating and a compact NH00 fuse size, the NH00GG40V50 is ideally suited to industrial distribution boards, motor control centres, switchboards and OEM machinery requiring dependable circuit protection.

Key Advantages

  • Full-range gG protection against overloads and short circuits.
  • 50 A rated current for low voltage distribution circuits.
  • 400 V AC operating voltage for industrial electrical systems.
  • High breaking capacity for dependable fault interruption.
  • Double indicator enables rapid fuse status identification.
  • Live gripping lugs allow safe replacement using approved NH fuse pullers.
  • Current-limiting characteristics reduce equipment damage during faults.
  • DIN NH standard construction ensures compatibility with approved fuse bases.

Key Features

  • Mersen NH gG 400 V fuse-link series.
  • Catalogue number: NH00GG40V50.
  • Item number: K223684.
  • Fuse size: NH00.
  • 50 A rated current.
  • 400 V AC rated voltage.
  • gG utilisation category.
  • Double visual indicator.
  • Live gripping lugs.
  • Ceramic body with knife-blade contacts.
  • RoHS compliant.

Reliable Protection for Low Voltage Distribution

The Mersen NH00GG40V50 rapidly interrupts overload and short-circuit currents, protecting cables, switchgear and connected electrical equipment from excessive thermal and mechanical stress. Its current-limiting characteristics help minimise fault energy and improve the reliability of electrical installations.

Designed for industrial switchgear, distribution boards and commercial electrical systems, this NH00 fuse-link provides dependable long-term protection wherever reliable circuit interruption is essential.

Typical Applications

  • Industrial switchboards.
  • Power distribution panels.
  • Cable and conductor protection.
  • Motor control centres.
  • OEM electrical equipment.
  • Commercial electrical installations.
  • Industrial machinery.

Technical Specifications

Current 50 A
Voltage 400 V
Manufacturer Mersen
Series NH gG 400 V Fuse-Links
Model NH00GG40V50
Item number K223684
Product type DIN NH low voltage fuse-link
Fuse characteristic gG
Fuse size NH00
Rated current 50 A
Rated voltage AC 400 V
Current type AC
Breaking capacity 100 kA AC
Indicator Double indicator
Gripping lugs Live gripping lugs
Body width 21 mm
Standards IEC 60269 / DIN NH
Compliance RoHS
Device Type Fuse link
Fuse Type NH (DIN)
Fuse Size NH00
Fuse Class gG

Frequently Asked Questions

What is the Mersen NH00GG40V50 used for?

This fuse-link provides full-range protection for cables, conductors and electrical equipment against overloads and short circuits.

What is the current rating of this fuse?

The NH00GG40V50 has a rated current of 50 A.

What voltage is this fuse designed for?

It is designed for operation on systems up to 400 V AC.

What does the gG characteristic mean?

The gG utilisation category provides complete protection against both overloads and short circuits in general-purpose electrical circuits.

What fuse size is the NH00GG40V50?

The NH00GG40V50 is an NH00 size DIN fuse-link fitted with a double indicator and live gripping lugs.

Trusted by Electrical Professionals Worldwide

Mersen NH fuse-links are trusted by electrical contractors, panel builders, OEMs and industrial engineers for dependable circuit protection, high fault interruption capability and reliable performance in low voltage power distribution 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...