MERSEN FUSE NH 0 125A 690V GG NH0GG69V125

Q: What is the current rating of this fuse?

The Mersen NH0GG69V125 has a 125 A rated current.

Q: What voltage is this fuse designed for?

It is rated for 690 V AC and 400 V DC industrial electrical systems.

Mersen NH0GG69V125 NH Size 0 gG low voltage fuse link rated at 125 A, 690 V AC and 400 V DC for industrial circuit protection, switchgear and power distribution applications.

SKU: NH0GG69V125Alt SKU: NH0GG69V125MPN: R228474

List Price £15.19 ex VAT

Your Price (ex VAT)

£15.19

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Manufacturer Lead Time

£15.19

Why Choose the Mersen NH0GG69V125 NH Fuse Link?

The Mersen NH0GG69V125 is a high-performance NH gG low voltage fuse link designed to provide dependable protection for electrical distribution systems, industrial switchgear and motor circuits. Manufactured as part of the trusted Mersen NH fuse series, this DIN standard fuse offers reliable protection against overloads and short circuits in demanding industrial environments.

Designed for use in accordance with IEC standards, the NH0GG69V125 features a 125 A current rating, 690 V AC operating voltage and 400 V DC capability. Its double indicator and live gripping lugs simplify maintenance while allowing fast visual inspection and safe fuse replacement.

With its NH Size 0 format, robust ceramic body and high breaking capacity, this fuse link is ideal for protecting power distribution equipment, motor control centres, switchboards and industrial electrical installations where dependable circuit protection is essential.

Key Advantages

High performance NH gG fuse link for industrial circuit protection.
125 A current rating suitable for power distribution applications.
690 V AC and 400 V DC rated operation.
Double indicator provides clear fuse status indication.
Live gripping lugs assist safe fuse installation and replacement.
Designed to protect cables, switchgear and electrical equipment from overload and short circuit faults.

Key Features

Mersen NH fuse series.
NH Size 0 fuse link.
125 A rated current.
690 V AC / 400 V DC rated voltage.
gG utilisation category for full-range cable and equipment protection.
Double visual operating indicator.
Live gripping lugs for easier handling.
DIN standard ceramic construction with high breaking capacity.

Reliable Protection for Industrial Power Distribution

NH fuse links are designed to interrupt excessive fault currents rapidly, protecting electrical systems from costly damage caused by overloads and short circuits. The Mersen NH0GG69V125 delivers dependable protection while maintaining excellent operational reliability in demanding industrial installations.

Its DIN-compliant construction, ceramic body and high interrupting capability make it suitable for use in switchgear, distribution boards, motor control centres and other industrial power distribution equipment requiring reliable low voltage protection.

Typical Applications

Industrial power distribution systems.
Motor control centres.
Electrical switchboards and switchgear.
Distribution panels.
Machine building and OEM equipment.
Cable and equipment protection in industrial facilities.

Technical Specifications

Current	125 A
Voltage	690 V
Manufacturer	Mersen
Series	NH Fuse Links gG 690 VAC
Model	NH0GG69V125
Product type	NH low voltage fuse link
Fuse size	NH0
Rated current	125 A
Rated AC voltage	690 V AC
Rated DC voltage	400 V DC
Utilisation category	gG
Indicator	Double indicator
Connection type	Live gripping lugs
Body width	30 mm
Weight	Approx. 0.27 kg
Standards	IEC / DIN NH
RoHS compliant	Yes
HS Code	85361090
Country of Manufacture	Hungary
Device Type	Fuse link
Fuse Type	NH (DIN)
Fuse Size	NH0
Fuse Class	gG

Frequently Asked Questions

What is the Mersen NH0GG69V125 used for?

This NH fuse link protects industrial electrical circuits, switchgear and distribution systems against overloads and short circuits.

What is the current rating of this fuse?

The Mersen NH0GG69V125 has a 125 A rated current.

What voltage is this fuse designed for?

It is rated for 690 V AC and 400 V DC industrial electrical systems.

What does the gG classification mean?

The gG utilisation category provides full-range protection against both overloads and short circuits for cables and general electrical equipment.

What is the benefit of the double indicator?

The double indicator provides a clear visual indication when the fuse has operated, helping simplify maintenance and reduce downtime.

Trusted for Industrial Circuit Protection

Mersen NH fuse links are trusted worldwide by electrical engineers, panel builders and industrial maintenance professionals for delivering dependable circuit protection, long service life and compliance with international IEC 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.

Items must be unused, in resalable condition and in their original packaging, and returns need our approval first. Return carriage is at your cost, and the original delivery charge is not refunded.

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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