MERSEN FUSE NH 000 40A 500V GG SGL NH000GG50V40-1

Q: What is the current rating of this fuse?

The NH000GG50V40-1 has a 40 A rated current.

Q: What voltage is this fuse designed for?

This fuse is rated for operation on systems up to 500 V AC and 250 V DC.

Mersen NH000GG50V40-1 DIN NH000 gG fuse link rated at 40 A, 500 V AC and 250 V DC with double indication and isolated gripping lugs for industrial circuit protection.

SKU: NH000GG50V40-1Alt SKU: NH000GG50V40-1MPN: D219653

List Price £8.29 ex VAT

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£8.29

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Manufacturer Lead Time

£8.29

Why Choose the Mersen NH000GG50V40-1 NH Fuse Link?

The Mersen NH000GG50V40-1 is a high-quality DIN NH gG low voltage fuse link designed to provide reliable protection for industrial electrical distribution systems, switchgear and power circuits. Manufactured by Mersen, this NH fuse offers dependable protection against overloads and short circuits, helping safeguard cables, electrical equipment and industrial installations.

Designed in accordance with IEC and DIN NH standards, the NH000GG50V40-1 features an NH000 fuse size, 40 A current rating, 500 V AC operating voltage and 250 V DC rating. Its double blown-fuse indicator and isolated gripping lugs enable faster maintenance and safer fuse replacement by qualified personnel.

Ideal for industrial switchboards, distribution panels, machine control systems and commercial electrical installations, the NH000GG50V40-1 provides full-range gG protection, ensuring reliable operation and effective fault isolation in demanding industrial environments.

Key Advantages

Industrial DIN NH gG fuse link for complete circuit protection.
40 A current rating suitable for industrial distribution systems.
500 V AC and 250 V DC ratings for low voltage applications.
Full-range gG protection against overloads and short circuits.
Double indicator enables rapid identification of an operated fuse.
Isolated gripping lugs improve maintenance safety.

Key Features

Mersen NH gG fuse link series.
Catalogue number: NH000GG50V40-1.
Mersen item number: D219653.
NH000 fuse size.
40 A rated current.
500 V AC rated voltage.
250 V DC rated voltage.
120 kA AC breaking capacity.
Double blown-fuse indication.
Isolated gripping lugs.

Reliable Protection for Industrial Power Systems

The gG utilisation category provides complete protection against both overloads and short circuits, making the NH000GG50V40-1 suitable for protecting cables, switchgear, distribution equipment and general electrical installations. Its current-limiting characteristics help minimise equipment damage during electrical faults while maintaining reliable system performance.

Mersen NH fuse links are trusted by electrical engineers, OEM manufacturers and panel builders worldwide thanks to their robust construction, high interrupting capacity and compliance with recognised international standards.

Typical Applications

Industrial power distribution systems.
Electrical switchboards.
Distribution panels.
Machine control panels.
Cable and feeder protection.
Commercial and industrial electrical installations.

Technical Specifications

Current	40 A
Voltage	500 V
Manufacturer	Mersen
Series	NH gG Fuse Links
Model	NH000GG50V40-1
Item number	D219653
Product type	DIN NH fuse link
Fuse size	NH000
Utilisation category	gG
Rated current	40 A
Rated AC voltage	500 V AC
Rated DC voltage	250 V DC
Breaking capacity	120 kA AC
Indicator	Double indicator
Gripping lugs	Isolated
Body width	21 mm
Weight	Approx. 0.13 kg
EAN	4086500084098
RoHS compliant	Yes
HS Code	85361050
Country of Manufacture	Hungary
Device Type	Fuse link
Fuse Type	NH (DIN)
Fuse Size	NH000
Fuse Class	gG

Frequently Asked Questions

What is the Mersen NH000GG50V40-1 used for?

This NH fuse link protects industrial electrical circuits, cables and equipment against overloads and short circuits.

What is the current rating of this fuse?

The NH000GG50V40-1 has a 40 A rated current.

What voltage is this fuse designed for?

This fuse is rated for operation on systems up to 500 V AC and 250 V DC.

What does the gG classification mean?

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

What is the benefit of the double indicator?

The integrated double indicator allows maintenance personnel to quickly identify when the fuse has operated, helping reduce downtime during servicing.

Trusted for Industrial Circuit Protection

Mersen NH fuse links are trusted worldwide by electrical engineers, panel builders and industrial maintenance professionals to deliver dependable protection for industrial power distribution and electrical infrastructure.

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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