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MERSEN FUSE NH 3 500A 500V GG NH3GG50V500
Mersen NH3GG50V500 DIN NH Size 3 gG fuse-link rated at 500 A, 500 V AC and 250 V DC for overload and short-circuit protection in industrial electrical distribution systems.
£18.15
Why Choose the Mersen NH3GG50V500 NH Fuse-Link?
The Mersen NH3GG50V500 is a premium DIN NH gG fuse-link designed to provide dependable full-range protection against overloads and short circuits in low-voltage electrical distribution systems. Part of the proven Mersen NH gG 500 V AC fuse-link range, it delivers reliable protection for switchgear, feeder circuits, motor control centres and industrial power distribution equipment.
Manufactured in accordance with IEC standards, the NH3GG50V500 combines excellent current-limiting characteristics with a high breaking capacity to minimise the effects of electrical faults. Its ceramic body, double indication system and live gripping lugs ensure safe handling, reliable performance and quick visual identification when the fuse has operated.
With a rated current of 500 A, a rated voltage of 500 V AC and a 250 V DC rating, this NH Size 3 fuse-link is ideal for protecting high-current distribution circuits in industrial plants, commercial facilities and infrastructure projects.
Key Advantages
- Full-range gG protection against overloads and short circuits.
- 500 A rated current for high-power distribution applications.
- 500 V AC and 250 V DC ratings.
- High current-limiting capability reduces equipment damage during faults.
- Double indicator enables rapid visual fuse status identification.
- Compatible with standard DIN NH Size 3 fuse bases.
- Designed for demanding industrial and commercial installations.
Key Features
- Mersen NH gG fuse-link series.
- DIN NH Size 3.
- 500 A rated current.
- 500 V AC rated voltage.
- 250 V DC rated voltage.
- General-purpose gG operating characteristic.
- Double fuse operation indicator.
- Live gripping lugs.
- Ceramic fuse body.
- RoHS compliant.
Reliable Protection for Industrial Power Distribution
The Mersen NH3GG50V500 provides reliable protection for electrical distribution systems by interrupting overload and short-circuit currents before they can damage cables, switchgear or connected equipment. Its gG operating characteristic makes it suitable for protecting a wide variety of general-purpose low-voltage circuits.
Its excellent current-limiting performance helps reduce thermal and mechanical stress on electrical equipment, improving operational reliability while reducing maintenance requirements and downtime.
Typical Applications
- Industrial power distribution systems.
- Main switchboards.
- Electrical feeder protection.
- Motor control centres.
- Commercial electrical installations.
- OEM electrical equipment.
- Infrastructure and utility projects.
Technical Specifications
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| Fuse Indication | Dual indicator | |
|---|---|---|
| Current | 500 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 | NH3GG50V500 | |
| Manufacturer part number | M217223 | |
| EAN | 8430399002309 | |
| Product type | DIN NH general-purpose fuse-link | |
| Fuse characteristic | gG | |
| Fuse size | NH3 | |
| Rated current | 500 A | |
| Rated voltage AC | 500 V | |
| Rated voltage DC | 250 V | |
| Power dissipation | 43 W | |
| Body width | 71.9 mm | |
| Indicator | Double indicator | |
| Gripping lugs | Live gripping lugs | |
| Weight | Approx. 1.05 kg | |
| Compliance | IEC 60269, RoHS compliant | |
| HS Code | 85361090 | |
| Country of Manufacture | Hungary |
Frequently Asked Questions
What is the Mersen NH3GG50V500 used for?
It provides overload and short-circuit protection for industrial low-voltage electrical distribution systems, cables and switchgear.
What is the rated current of the NH3GG50V500?
The fuse-link has a rated current of 500 A.
What voltage ratings does this fuse support?
The NH3GG50V500 is rated for operation at 500 V AC and 250 V DC.
What does the gG characteristic mean?
The gG operating characteristic provides full-range protection against both overloads and short circuits, making it suitable for general-purpose electrical distribution circuits.
Does this fuse include an operation indicator?
Yes. The NH3GG50V500 features a double indication system that provides a clear visual indication after the fuse has operated.
Trusted by Electrical Professionals Worldwide
Mersen NH gG fuse-links are trusted by panel builders, electrical engineers and industrial maintenance teams for dependable circuit protection, high fault interruption capability and long service life.
