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MERSEN FUSE NH 3 450A 500V GG NH3GG50V450
Mersen NH3GG50V450 NH3 gG industrial fuse link rated at 450 A, 500 V AC and 250 V DC, providing full-range overload and short-circuit protection for industrial electrical systems.
£21.64
Why Choose the Mersen NH3GG50V450 NH Fuse?
The Mersen NH3GG50V450 is a high-performance NH gG industrial fuse link engineered to provide reliable full-range protection against overloads and short-circuit faults in low-voltage electrical distribution systems. Manufactured to DIN NH standards, this fuse link is designed to safeguard cables, switchgear, distribution equipment and industrial electrical installations operating in demanding environments.
As part of the trusted Mersen NH gG fuse-link series, the NH3GG50V450 delivers exceptional current-limiting performance and a high breaking capacity, helping minimise equipment damage during electrical faults. Its robust ceramic body, live gripping tags and double indication system simplify installation, maintenance and fuse replacement by qualified personnel.
With a 450 A current rating, 500 V AC / 250 V DC operating voltage and the NH3 fuse size, this fuse is ideally suited to industrial switchboards, power distribution panels, motor feeders and heavy-duty electrical installations requiring dependable overcurrent protection.
Key Advantages
- Premium NH gG fuse link for industrial power distribution.
- 450 A rated current for demanding industrial applications.
- 500 V AC and 250 V DC rated voltage.
- Full-range protection against overloads and short circuits.
- 120 kA breaking capacity for dependable fault interruption.
- Double indicator with live gripping tags for easier maintenance.
Key Features
- Mersen NH gG fuse-link series.
- NH3 fuse size.
- 450 A rated current.
- 500 V AC / 250 V DC rated voltage.
- gG utilisation category.
- Double fuse operation indicator.
- Live gripping tags.
- Ceramic body with blade contacts.
Reliable Protection for Industrial Electrical Systems
The Mersen NH3GG50V450 provides dependable protection by interrupting overload and short-circuit currents before they can damage electrical equipment. Its gG operating characteristic makes it suitable for protecting cables, conductors, switchgear and general-purpose industrial electrical installations.
Its high breaking capacity and current-limiting performance help reduce thermal and mechanical stresses during fault conditions, improving the reliability and longevity of connected electrical equipment. The double indication system and live gripping tags simplify maintenance procedures while supporting safe operation by qualified personnel.
Typical Applications
- Industrial electrical distribution systems.
- Power distribution switchboards.
- Industrial control panels.
- Cable and conductor protection.
- Motor feeders.
- Commercial and manufacturing facilities.
Technical Specifications
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| Fuse Indication | Dual indicator | |
|---|---|---|
| Current | 450 A | |
| Voltage | 500 V | |
| Device Type | Fuse link | |
| Fuse Type | NH (DIN) | |
| Fuse Size | NH3 | |
| Fuse Class | gG | |
| Manufacturer | Mersen | |
| Series | NH Fuse-links gG 500 V AC | |
| Model | NH3GG50V450 | |
| Item number | Z216705 | |
| Product type | NH industrial fuse link | |
| Fuse size | NH3 | |
| Utilisation category | gG | |
| Rated current | 450 A | |
| Rated voltage AC | 500 V | |
| Rated voltage DC | 250 V | |
| Breaking capacity | 120 kA | |
| Power dissipation | 38 W | |
| Indicator | Double indicator | |
| Connection | Live gripping tags | |
| Body width | 71.9 mm | |
| Weight | Approx. 1.05 kg | |
| Body material | Ceramic | |
| Compliance | IEC 60269, DIN NH, RoHS compliant | |
| HS Code | 85361090 | |
| Country of Manufacture | Hungary |
Frequently Asked Questions
What is the Mersen NH3GG50V450 used for?
This NH gG fuse link provides full-range overload and short-circuit protection for industrial and commercial low-voltage electrical distribution systems.
What is the current rating of this fuse?
The Mersen NH3GG50V450 has a 450 A current rating.
What voltage is the NH3GG50V450 rated for?
This fuse is rated for operation at 500 V AC and 250 V DC.
What does the gG utilisation category mean?
The gG characteristic provides full-range protection against both overloads and short-circuit faults for cables, conductors and general electrical equipment.
What type of indication system does this fuse include?
The NH3GG50V450 incorporates a double indicator with live gripping tags to simplify inspection and replacement by qualified personnel.
Trusted Protection for Industrial Electrical Systems
Mersen NH gG fuse links are trusted worldwide by electrical engineers, panel builders and maintenance professionals for delivering dependable circuit protection, excellent current limitation and reliable performance in demanding industrial power distribution applications.
