MERSEN FUSE NH 2 250A 400V GG SGL NH22GG40V250-1

Q: What is the current rating of this fuse?

The NH22GG40V250-1 has a 250 A rated current.

Q: What voltage is this fuse designed for?

This fuse is designed for operation on 400 V AC electrical systems.

Mersen NH22GG40V250-1 DIN NH2 gG fuse link rated at 250 A and 400 V AC with single live gripping lug and double operating indicator for industrial low voltage circuit protection.

SKU: NH22GG40V250-1Alt SKU: NH22GG40V250-1MPN: E226025

List Price £37.10 ex VAT

Your Price (ex VAT)

£37.10

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Manufacturer Lead Time

£37.10

Why Choose the Mersen NH22GG40V250-1 NH Fuse Link?

The Mersen NH22GG40V250-1 is a high-quality DIN NH gG low voltage fuse link engineered to provide dependable protection for industrial electrical distribution systems, cables and equipment. Manufactured by Mersen, this NH fuse is designed to deliver reliable overload and short circuit protection while ensuring compliance with IEC standards for demanding industrial applications.

Featuring a single live gripping lug and a double operating indicator, the NH22GG40V250-1 offers safe installation, easy maintenance and rapid visual identification after operation. Its robust design provides long service life and dependable performance in industrial switchgear and power distribution installations.

With a 250 A current rating, 400 V AC operating voltage and NH2 size, this fuse link is ideally suited for industrial switchboards, motor control centres, distribution panels, transformers and OEM electrical equipment requiring reliable circuit protection.

Key Advantages

DIN NH gG full-range fuse link for overload and short circuit protection.
250 A current rating for industrial power distribution.
400 V AC rated voltage suitable for low voltage electrical systems.
Double operating indicator enables quick fuse status identification.
Single live gripping lug design for secure installation.
High breaking capacity provides dependable fault protection.

Key Features

Mersen NH gG fuse link series.
NH2 fuse size.
250 A rated current.
400 V AC IEC rated voltage.
gG utilisation category for full-range protection.
Double operating indicator.
Single live gripping lug construction.
Suitable for industrial switchgear and power distribution systems.

Reliable Protection for Industrial Electrical Systems

NH gG fuse links are designed to provide comprehensive protection against overloads and high fault currents within low voltage electrical installations. Their high interrupting capacity helps minimise equipment damage while improving the safety and reliability of industrial electrical systems.

Mersen NH fuse links are widely specified by electrical engineers, panel builders and OEM manufacturers for dependable protection of switchgear, distribution equipment and industrial power circuits.

Typical Applications

Industrial power distribution panels.
Switchboards and switchgear assemblies.
Motor control centres.
Transformer protection.
OEM electrical control panels.
Commercial and industrial electrical installations.

Technical Specifications

Current	250 A
Voltage	400 V
Manufacturer	Mersen
Series	NH gG Fuse Links
Model	NH22GG40V250-1
Product type	DIN NH fuse link
Fuse category	gG
Rated current	250 A
Rated voltage	400 V AC
Fuse size	NH2
Frequency	50 / 60 Hz
Breaking capacity	100 kA
Indicator	Double indicator
Terminal type	Single live gripping lug
Body width	Approx. 40 mm
Weight	Approx. 0.42 kg
Device Type	Fuse link
Fuse Type	NH (DIN)
Fuse Size	NH2

Frequently Asked Questions

What is the Mersen NH22GG40V250-1 used for?

This NH fuse link provides overload and short circuit protection for industrial low voltage electrical distribution systems and switchgear.

What is the current rating of this fuse?

The NH22GG40V250-1 has a 250 A rated current.

What voltage is this fuse designed for?

This fuse is designed for operation on 400 V AC electrical systems.

What does the gG classification mean?

The gG utilisation category provides full-range protection against both overload and short circuit faults in general-purpose electrical applications.

Where is this fuse typically installed?

It is commonly installed in industrial switchboards, distribution panels, motor control centres and OEM electrical equipment.

Trusted for Industrial Circuit Protection

Mersen NH fuse links are trusted worldwide by electrical engineers and panel builders to deliver reliable circuit protection, long service life and compliance with international low voltage standards.

UK delivery

Delivery options

Free UK delivery on orders over £200 ex VAT. Order in-stock items before 2pm Monday to Friday for next-day delivery.

This product Lead time on request

Please contact us for a delivery time before you order

Standard delivery

£8 ex VAT · free over £200

UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.

Heavier items may be charged at a weight-based or pallet rate, shown at checkout.

Collect from our showroom

Mon–Fri, 8am–5pm

Order and pay online, then collect from our showroom.

Please allow 15–30 minutes after ordering for us to prepare your order.

Northern Ireland, ROI & export

Priced at checkout

We deliver to Northern Ireland, the Republic of Ireland and overseas.

Delivery is calculated at checkout based on your destination.

Orders with mixed availability

Shipped complete

If part of your order is on a lead time, we hold it and send everything together.

Need the in-stock items sooner? Ask us and we can split the delivery.

Business customer returns

Returns & order support

Need to return an item? Find the guidance for your order below, then contact our team before sending anything back.

Stocked items

Request within 30 days

Changed your mind or ordered the wrong item? Request a return within 30 days of receipt. There is no restocking charge.

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Faulty or damaged items

Tell us as soon as possible

Faulty, damaged on delivery or the wrong product supplied? Contact our team as soon as possible with the details.

We will review the issue and arrange an appropriate resolution under our terms and conditions and your statutory rights.

Made-to-order items

Manufacturer approval needed

Manufactured, configured and special-order products can only be returned with the manufacturer’s approval. Any handling charge is agreed with you when you request the return.

This does not affect claims for faulty goods or items that do not meet the agreed specification.

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Let’s get your return sorted.

Send your order number, product details and reason for return. For faults or delivery damage, include photographs if available. We will confirm the next steps.

Email returns team 01706 242050

The 30-day return request period applies to change-of-mind returns for stocked items. It does not limit your statutory rights for faulty or non-conforming goods.

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