MERSEN FUSE NH 3C 355A 690V GG SGL NH3GG69V355-1

Q: What is the current rating of this fuse?

The NH3GG69V355-1 has a 355 A rated current.

Q: What voltage is this fuse designed for?

This fuse is rated for operation on systems up to 690 V AC and 250 V DC.

Mersen NH3GG69V355-1 DIN NH3 gG fuse link rated at 355 A, 690 V AC and 250 V DC with double indication and isolated gripping lugs for industrial circuit protection.

SKU: NH3GG69V355-1Alt SKU: NH3GG69V355-1MPN: D229773

List Price £76.78 ex VAT

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£76.78

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Manufacturer Lead Time

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Why Choose the Mersen NH3GG69V355-1 NH Fuse Link?

The Mersen NH3GG69V355-1 is a premium DIN NH gG low voltage fuse link designed to provide dependable protection for industrial electrical distribution systems, switchgear and power circuits. Manufactured by Mersen, this NH fuse delivers full-range protection against overloads and short circuits, helping safeguard cables, feeders and electrical equipment operating in demanding industrial environments.

Designed in accordance with IEC and DIN NH standards, the NH3GG69V355-1 features an NH3 fuse size, 355 A rated current, 690 V AC operating voltage and 250 V DC rating. The fuse incorporates a double blown-fuse indicator together with isolated gripping lugs, enabling quick identification of an operated fuse while improving maintenance safety.

Ideal for industrial switchboards, distribution panels, machine control systems and commercial electrical installations, the NH3GG69V355-1 provides full-range gG protection, ensuring dependable operation and effective fault isolation in low voltage power distribution systems.

Key Advantages

Industrial DIN NH gG fuse link for comprehensive circuit protection.
355 A current rating suitable for high-current power distribution.
690 V AC and 250 V DC ratings for demanding industrial electrical systems.
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: NH3GG69V355-1.
Item number: D229773.
NH3 fuse size.
355 A rated current.
690 V AC rated voltage.
250 V DC rated voltage.
80 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 NH3GG69V355-1 suitable for protecting cables, switchgear, feeders and general electrical equipment. Its current-limiting characteristics help minimise equipment damage during fault conditions while maintaining reliable system performance.

Mersen NH fuse links are trusted worldwide by electrical engineers, panel builders and maintenance professionals thanks to their high interrupting capacity, dependable operation 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	355 A
Voltage	690 V
Manufacturer	Mersen
Series	NH gG Fuse Links
Model	NH3GG69V355-1
Item number	D229773
Product type	DIN NH fuse link
Fuse size	NH3
Utilisation category	gG
Rated current	355 A
Rated AC voltage	690 V AC
Rated DC voltage	250 V DC
Breaking capacity	80 kA AC
Power dissipation	32 W
Indicator	Double indicator
Gripping lugs	Isolated
Body width	51 mm
Weight	Approx. 0.65 kg
RoHS compliant	Yes
HS Code	85361090
Country of Manufacture	Hungary
Device Type	Fuse link
Fuse Type	NH (DIN)
Fuse Size	NH3
Fuse Class	gG

Frequently Asked Questions

What is the Mersen NH3GG69V355-1 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 NH3GG69V355-1 has a 355 A rated current.

What voltage is this fuse designed for?

This fuse is rated for operation on systems up to 690 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 OEM manufacturers to provide 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.

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Please contact us for a delivery time before you order

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£8 ex VAT · free over £200

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

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Northern Ireland, ROI & export

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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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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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