MERSEN FUSE NH 00 125A 400V GG NH00GG40V125

Q: What is the rated current?

The Mersen NH00GG40V125 has a rated current of 125 A.

Q: What voltage is this fuse designed for?

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

Mersen NH00GG40V125 DIN NH00 gG fuse-link rated 125 A and 400 V AC with double indicator, live gripping lugs and 100 kA AC breaking capacity.

SKU: NH00GG40V125Alt SKU: NH00GG40V125MPN: E223702

List Price £8.04 ex VAT

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Manufacturer Lead Time

£8.04

Why Choose the Mersen NH00GG40V125 NH Fuse-Link?

The Mersen NH00GG40V125 is a high-performance DIN NH gG low voltage fuse-link engineered to provide full-range overload and short-circuit protection for industrial electrical distribution systems. Designed to DIN NH and IEC standards, this NH00 fuse-link offers dependable protection for cables, switchgear, distribution boards and electrical equipment operating in demanding industrial and commercial environments.

Part of the trusted Mersen NH gG 400 V AC fuse-link range, the NH00GG40V125 features a double blown-fuse indicator together with live gripping lugs, allowing quick identification of an operated fuse and safe replacement using an appropriate NH fuse puller. Its ceramic body provides excellent thermal performance and long service life.

Rated at 125 A with a 400 V AC operating voltage, the NH00GG40V125 provides a high 100 kA AC breaking capacity, making it ideal for industrial switchboards, motor control centres, power distribution panels and OEM electrical equipment.

Key Advantages

Industrial DIN NH00 gG fuse-link for complete circuit protection.
125 A rated current for industrial power distribution.
400 V AC operating voltage.
Provides full-range overload and short-circuit protection.
100 kA AC breaking capacity.
Double blown-fuse indicator for rapid fault identification.
Live gripping lugs support safe fuse replacement.
Suitable for industrial switchgear and distribution equipment.

Key Features

Mersen NH gG 400 V AC fuse-link series.
Catalogue number: NH00GG40V125.
Item number: E223702.
NH00 fuse size.
125 A rated current.
400 V AC rated voltage.
gG utilisation category.
Double blown-fuse indicator.
Live gripping lugs.
Ceramic body with blade contacts.

Reliable Protection for Industrial Power Distribution

Mersen NH gG fuse-links provide dependable protection against overload and short-circuit faults while limiting fault current energy. Their current-limiting characteristics help minimise thermal and mechanical stresses on cables, switchgear and connected electrical equipment, improving overall system reliability.

The NH00GG40V125 is designed for installation in compatible NH00 fuse bases and is widely used in industrial switchgear, distribution panels, control equipment and OEM machinery where reliable circuit protection is essential.

Typical Applications

Industrial power distribution systems.
Main and sub-distribution boards.
Motor control centres.
Industrial switchgear.
Cable and conductor protection.
OEM machinery.
Industrial control panels.
Commercial electrical installations.

Technical Specifications

Current	125 A
Voltage	400 V
Manufacturer	Mersen
Series	NH gG 400 V AC Fuse-Links
Model	NH00GG40V125
Item number	E223702
Product type	DIN NH gG fuse-link
Fuse size	NH00
Rated current	125 A
Rated voltage	400 V AC
Voltage type	AC
Utilisation category	gG
Breaking capacity	100 kA AC
Indicator	Double indicator
Gripping lugs	Live gripping lugs
Body width	30 mm
Power dissipation	7.4 W
Product weight	Approx. 0.20 kg
EAN	8430399021546
Compliance	IEC 60269, RoHS compliant
HS Code	85361090
Country of Manufacture	Hungary
Device Type	Fuse link
Fuse Type	NH (DIN)
Fuse Size	NH00
Fuse Class	gG

Frequently Asked Questions

What is the Mersen NH00GG40V125 used for?

The NH00GG40V125 provides full-range overload and short-circuit protection for industrial electrical distribution systems, cables and electrical equipment.

What is the rated current?

The Mersen NH00GG40V125 has a rated current of 125 A.

What voltage is this fuse designed for?

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

What does the gG utilisation category mean?

The gG category provides full-range protection against both overloads and short-circuit faults for cables and general electrical installations.

What is the breaking capacity?

The NH00GG40V125 provides a maximum AC breaking capacity of 100 kA.

Trusted by Electrical Professionals Worldwide

Mersen NH fuse-links are trusted by electrical engineers, panel builders and OEM manufacturers for dependable circuit protection, high fault interruption capability and reliable long-term performance in industrial power distribution systems.

UK delivery

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