MERSEN FUSE NH 00 125A 690V GG NH00GG69V125

Q: What are the electrical ratings of this fuse?

The NH00GG69V125 is rated at 125 A, 690 V AC and 250 V DC.

Q: What breaking capacity does this fuse provide?

The fuse-link provides an AC breaking capacity of 120 kA, allowing it to interrupt high prospective fault currents safely.

Mersen NH00GG69V125 DIN NH00 gG fuse-link rated at 125 A, 690 V AC and 250 V DC for industrial low voltage circuit protection.

SKU: NH00GG69V125Alt SKU: NH00GG69V125MPN: C228461

List Price £10.97 ex VAT

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Why Choose the Mersen NH00GG69V125 NH Fuse-Link?

The Mersen NH00GG69V125 is a high-performance DIN NH gG fuse-link designed to provide full-range overload and short-circuit protection for low voltage electrical distribution systems. As part of the trusted Mersen NH gG 690 V fuse-link range, it offers dependable protection for industrial switchgear, distribution boards, cable installations and general-purpose electrical equipment operating on 690 V AC systems.

Manufactured to IEC and DIN NH standards, this NH00 size fuse-link features live gripping lugs, a double operation indicator and a durable ceramic body. Its robust construction and high interrupting capacity ensure reliable operation in demanding industrial environments whilst simplifying maintenance through clear visual indication after operation.

With a 125 A rated current, 690 V AC and 250 V DC ratings, the NH00GG69V125 is ideal for industrial power distribution, motor control centres, switchboards and OEM electrical equipment requiring dependable full-range gG protection.

Key Advantages

Full-range gG protection against overloads and short circuits.
125 A rated current for industrial distribution systems.
690 V AC and 250 V DC ratings.
120 kA AC breaking capacity for dependable fault interruption.
Double indicator enables rapid fuse status identification.
Live gripping lugs support safe fuse replacement using approved NH fuse pullers.

Key Features

Mersen NH gG 690 V fuse-link series.
125 A rated current.
690 V AC rated voltage.
250 V DC rated voltage.
NH00 DIN fuse size.
gG utilisation category.
Double operation indicator.
Live gripping lugs.
Ceramic fuse body.
Body width approximately 30 mm.

Reliable Circuit Protection for Industrial Installations

The Mersen NH00GG69V125 provides dependable full-range protection against overloads and high fault currents. Its gG operating characteristic makes it suitable for protecting cables, conductors, switchgear and general electrical distribution equipment throughout industrial and commercial installations.

Its compact NH00 construction, high interrupting capacity and compliance with recognised international standards make it an excellent choice for switchboards, distribution panels, OEM machinery and industrial power systems where dependable electrical protection is essential.

Typical Applications

Industrial power distribution systems.
Electrical switchboards.
Distribution panels.
Cable and conductor protection.
OEM machinery and control panels.
Commercial and industrial electrical installations.

Technical Specifications

Current	125 A
Voltage	690 V
Manufacturer	Mersen
Series	NH Fuse-links gG 690 VAC
Model	NH00GG69V125
Item number	C228461
EAN	8430399025575
Product type	DIN NH fuse-link
Fuse characteristic	gG
Fuse size	NH00
Rated current	125 A
Rated voltage AC	690 V
Rated voltage DC	250 V
Breaking capacity	120 kA AC
Indicator	Double indicator
Gripping lugs	Live gripping lugs
Body width	30 mm
Power dissipation	10 W
Weight	Approx. 0.20 kg
Compliance	IEC / DIN NH, CE, UKCA and RoHS
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 NH00GG69V125 used for?

It provides full-range overload and short-circuit protection for industrial low voltage distribution systems, cables and general electrical equipment.

What does the gG fuse characteristic mean?

The gG characteristic provides comprehensive protection against both overload currents and short-circuit faults for general-purpose electrical distribution applications.

What are the electrical ratings of this fuse?

The NH00GG69V125 is rated at 125 A, 690 V AC and 250 V DC.

What breaking capacity does this fuse provide?

The fuse-link provides an AC breaking capacity of 120 kA, allowing it to interrupt high prospective fault currents safely.

Does this fuse include a visual operation indicator?

Yes. It incorporates a double indicator that provides clear visual confirmation when the fuse has operated.

Trusted by Electrical Professionals Worldwide

Mersen NH fuse-links are trusted by panel builders, OEM manufacturers and industrial maintenance engineers for dependable circuit protection, excellent reliability 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.

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

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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.

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