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MERSEN FUSE NH 3C 355A 690V GG NH3GG69V355
Mersen NH3GG69V355 DIN NH size 3 gG fuse-link rated at 355 A and 690 V AC with double indication and live gripping lugs for industrial low-voltage circuit protection.
£39.62
Why Choose the Mersen NH3GG69V355 NH Fuse-Link?
The Mersen NH3GG69V355 is a robust DIN NH size 3 gG fuse-link designed to provide comprehensive protection for low-voltage power distribution systems, industrial switchgear and electrical installations. Rated at 355 A with a maximum operating voltage of 690 V AC, it delivers dependable protection against both overloads and short circuits in demanding industrial applications.
As part of the trusted Mersen NH gG fuse-link range, this fuse incorporates a ceramic body, silver-plated copper blade contacts and a double indication system with live gripping lugs for easier identification after operation. Its high breaking capacity and compliance with DIN NH standards make it suitable for modern electrical distribution networks and OEM equipment.
The NH3GG69V355 is intended for installation in compatible NH fuse bases, switch-fuse disconnectors and low-voltage distribution assemblies where reliable circuit protection and long service life are essential.
Key Advantages
- General-purpose gG protection against overloads and short circuits.
- 355 A current rating for heavy-duty industrial applications.
- 690 V AC operating voltage suitable for low-voltage power distribution.
- High 80 kA breaking capacity for reliable fault interruption.
- Double indication system simplifies fuse status identification.
- DIN NH size 3 construction for compatibility with standard NH systems.
Key Features
- Mersen NH gG fuse-link series.
- DIN NH size 3.
- 355 A rated current.
- 690 V AC / 250 V DC rating.
- General-purpose gG operating characteristic.
- Double fuse-operation indicator.
- Live gripping lugs.
- Silver-plated copper blade contacts.
- Ceramic fuse body.
- RoHS compliant construction.
Reliable Protection for Industrial Power Systems
The Mersen NH3GG69V355 provides full-range circuit protection by safely interrupting overload and short-circuit currents before damage can occur to cables, switchgear and connected electrical equipment. Its high fault-breaking capability makes it well suited to demanding industrial environments where system reliability is essential.
Designed in accordance with DIN NH standards, this fuse-link is compatible with standard NH fuse systems and should only be installed or replaced by qualified electrical professionals using the appropriate NH fuse handling equipment.
Typical Applications
- Industrial power distribution panels.
- Low-voltage switchgear assemblies.
- Motor control centres.
- Cable and conductor protection.
- Switch-fuse disconnectors.
- OEM machinery and automation equipment.
- Commercial and industrial electrical installations.
Technical Specifications
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| Fuse Indication | Dual indicator | |
|---|---|---|
| Current | 355 A | |
| Voltage | 690 V | |
| Device Type | Fuse link | |
| Fuse Type | NH (DIN) | |
| Fuse Size | NH3 | |
| Fuse Class | gG | |
| Manufacturer | Mersen | |
| Series | NH gG 690 V Fuse-Links | |
| Model | NH3GG69V355 | |
| Item number | C228507 | |
| Product type | NH low-voltage fuse-link | |
| Fuse characteristic | gG | |
| Fuse size | NH3 | |
| Rated current | 355 A | |
| Rated AC voltage | 690 V AC | |
| Rated DC voltage | 250 V DC | |
| Breaking capacity | 80 kA AC | |
| Power dissipation at rated current | 32 W | |
| Indication system | Double indicator | |
| Gripping lugs | Live gripping lugs | |
| Terminal material | Silver-plated copper | |
| Body material | Ceramic | |
| Body width | 52 mm | |
| Weight | approx. 0.65 kg | |
| EAN | 8430399026640 | |
| Compliance | RoHS compliant | |
| HS Code | 85361090 | |
| Country of Manufacture | Hungary |
Frequently Asked Questions
What is the Mersen NH3GG69V355 used for?
This NH fuse-link protects industrial electrical circuits, cables and equipment against overloads and short-circuit faults.
What is the current rating of this fuse?
The NH3GG69V355 has a 355 A rated current.
What voltage is this fuse designed for?
It is rated for operation at up to 690 V AC and 250 V DC.
What does the gG characteristic mean?
The gG classification indicates a full-range fuse designed to provide both overload and short-circuit protection for general-purpose applications.
Does this fuse include a blown-fuse indicator?
Yes. The NH3GG69V355 features a double indication system to help identify when the fuse has operated.
Trusted by Electrical Professionals Worldwide
Mersen NH fuse-links are trusted by electrical contractors, OEM machine builders and industrial maintenance engineers for dependable low-voltage circuit protection, high breaking capacity and long-term reliability.
