MERSEN FUSE NH 4A 630A 690V GG MID IND NH4AGG69V630

Q: What is the rated current?

The Mersen E1054301 has a rated current of 630 A.

Q: What voltage is this fuse designed for?

It is rated for operation up to 690 V AC and 250 V DC.

Q: What is the breaking capacity?

The fuse-link provides a maximum AC breaking capacity of 120 kA.

Mersen NH4AGG69V630 DIN NH4a gG fuse-link rated 630 A, 690 V AC and 250 V DC with centre indicator and live gripping lugs for industrial power distribution.

SKU: E1054301Alt SKU: NH4AGG69V630MPN: E1054301

List Price £363.23 ex VAT

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£363.23

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Manufacturer Lead Time

£363.23

Why Choose the Mersen E1054301 NH4AGG69V630 NH Fuse-Link?

The Mersen E1054301, catalogue number NH4AGG69V630, is a premium DIN NH gG low voltage fuse-link engineered to provide full-range protection against overloads and short-circuit faults in industrial power distribution systems. Designed for demanding electrical installations, it offers dependable protection for cables, switchgear, distribution equipment and industrial machinery.

As part of the trusted Mersen NH gG 690 VAC fuse range, this NH4a fuse-link incorporates a centre-mounted blown-fuse indicator and live gripping lugs, allowing quick identification of an operated fuse while supporting safe replacement by qualified personnel. Its ceramic body and high interrupting capacity ensure reliable operation in critical industrial environments.

Rated at 630 A with a 690 V AC / 250 V DC voltage rating, the NH4AGG69V630 is ideally suited for heavy-duty industrial switchboards, power distribution systems, motor control centres and OEM equipment requiring high-performance circuit protection.

Key Advantages

Industrial DIN NH gG fuse-link for full-range circuit protection.
630 A rated current for high-power distribution systems.
690 V AC and 250 V DC operating voltage.
Provides overload and short-circuit protection.
120 kA AC breaking capacity.
Centre-mounted blown-fuse indicator.
Live gripping lugs for safer maintenance.
Suitable for demanding industrial applications.

Key Features

Mersen NH gG fuse-link series.
Catalogue number: NH4AGG69V630.
Item number: E1054301.
NH4a fuse size.
630 A rated current.
690 V AC / 250 V DC rated voltage.
gG utilisation category.
Centre blown-fuse indicator.
Live gripping lugs.
Ceramic body with blade contacts.

Reliable Protection for Industrial Power Distribution

Mersen NH gG fuse-links provide complete overload and short-circuit protection for low voltage electrical systems. Their high breaking capacity and current-limiting characteristics help minimise thermal and mechanical stresses during fault conditions, improving equipment protection and system reliability.

The NH4AGG69V630 is widely used in industrial switchgear, power distribution boards and heavy-duty electrical installations where dependable protection and compliance with IEC standards are essential.

Typical Applications

Industrial power distribution systems.
Main switchboards.
Motor control centres.
Distribution panels.
OEM machinery.
Industrial manufacturing facilities.
Infrastructure and utility installations.

Technical Specifications

Current	4 A
Voltage	690 V
Manufacturer	Mersen
Series	NH gG Fuse-Links
Model	NH4AGG69V630
Item number	E1054301
Product type	DIN NH gG fuse-link
Fuse size	NH4a
Rated current	630 A
Rated AC voltage	690 V AC
Rated DC voltage	250 V DC
Utilisation category	gG
Breaking capacity	120 kA AC
Indicator	Centre indicator
Gripping lugs	Live gripping lugs
Body width	100 mm
Power dissipation	53 W
Weight	Approx. 2.58 kg
EAN	3605340588521
Compliance	RoHS compliant
HS Code	85361090
Country of Manufacture	Hungary
Device Type	Fuse link
Fuse Type	NH (DIN)
Fuse Size	NH4a
Fuse Class	gG

Frequently Asked Questions

What is the Mersen E1054301 used for?

This NH gG fuse-link provides full-range overload and short-circuit protection for industrial electrical distribution systems and equipment.

What is the rated current?

The Mersen E1054301 has a rated current of 630 A.

What voltage is this fuse designed for?

It is rated for operation up to 690 V AC and 250 V DC.

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 fuse-link provides a maximum AC breaking capacity of 120 kA.

Trusted by Electrical Professionals Worldwide

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

UK delivery

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