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MERSEN FUSE NH 1 315A 500V GG NH1GG50V315
Mersen NH1GG50V315 DIN NH1 gG fuse-link rated 315 A, 500 V AC and 250 V DC with double indicator, live gripping lugs and 120 kA breaking capacity.
£14.45
Why Choose the Mersen NH1GG50V315 NH Fuse-Link?
The Mersen NH1GG50V315 is a premium DIN NH low voltage gG fuse-link designed to provide dependable full-range protection against overloads and short circuits in industrial and commercial electrical systems. As part of the proven Mersen NH gG 500 V fuse-link series, it protects cables, conductors, switchgear and electrical equipment whilst complying with IEC and DIN NH standards.
Designed with a gG utilisation characteristic, this fuse-link provides complete circuit protection throughout its operating range. Its robust ceramic body incorporates a double indicator together with live gripping lugs, allowing quick visual inspection and safe replacement using an approved NH fuse puller.
With a rated current of 315 A, a rated voltage of 500 V AC, a 250 V DC rating and a compact NH1 fuse size, the NH1GG50V315 is ideal for industrial switchboards, power distribution systems, motor control centres and OEM electrical equipment requiring dependable low voltage circuit protection.
Key Advantages
- Full-range gG protection against overloads and short circuits.
- 315 A rated current for industrial power distribution.
- 500 V AC operating voltage for low voltage systems.
- 120 kA AC breaking capacity for dependable fault interruption.
- Double indicator enables rapid fuse status identification.
- Live gripping lugs allow safe replacement using approved NH fuse pullers.
- Current-limiting performance helps minimise equipment damage during faults.
- DIN NH construction ensures compatibility with standard fuse bases and switch-disconnectors.
Key Features
- Mersen NH gG 500 V fuse-link series.
- Catalogue number: NH1GG50V315.
- Item number: Q228519.
- Fuse size: NH1.
- 315 A rated current.
- 500 V AC / 250 V DC rated voltage.
- gG full-range utilisation category.
- Double visual indicator.
- Live gripping lugs.
- Ceramic body with plain blade contacts.
- RoHS compliant.
Reliable Protection for Industrial Power Distribution
The Mersen NH1GG50V315 rapidly interrupts overload and short-circuit currents, protecting cables, switchgear and connected electrical equipment from excessive thermal and mechanical stress. Its current-limiting characteristics help reduce fault energy whilst improving the reliability of industrial electrical installations.
The gG characteristic enables complete general-purpose protection for distribution circuits, making this fuse-link suitable for demanding industrial power distribution, motor control and OEM applications where dependable fault interruption is essential.
Typical Applications
- Industrial switchboards.
- Power distribution panels.
- Motor control centres.
- Cable and feeder protection.
- OEM electrical equipment.
- Industrial machinery.
- Commercial electrical installations.
Technical Specifications
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| Fuse Indication | Dual indicator | |
|---|---|---|
| Current | 315 A | |
| Voltage | 500 V | |
| Device Type | Fuse link | |
| Fuse Type | NH (DIN) | |
| Fuse Size | NH1 | |
| Fuse Class | gG | |
| Manufacturer | Mersen | |
| Series | NH gG 500 V Fuse-Links | |
| Model | NH1GG50V315 | |
| Item number | Q228519 | |
| EAN / UPC | 8430399026121 | |
| Product type | DIN NH low voltage fuse-link | |
| Fuse characteristic | gG | |
| Fuse size | NH1 | |
| Rated current | 315 A | |
| Rated voltage AC | 500 V | |
| Rated voltage DC | 250 V | |
| Current type | AC / DC | |
| Breaking capacity | 120 kA AC | |
| Indicator | Double indicator | |
| Gripping lugs | Live gripping lugs | |
| Connection type | Plain blade contacts | |
| Body width | 40 mm | |
| Dimensions (L × W × H) | 135 × 40 × 64 mm | |
| Weight | Approx. 0.42 kg | |
| Power dissipation | 20.5 W | |
| Compliance | IEC 60269, RoHS | |
| HS Code | 85361090 | |
| Country of Manufacture | Hungary |
Frequently Asked Questions
What is the Mersen NH1GG50V315 used for?
This fuse-link provides full-range overload and short-circuit protection for cables, conductors, switchgear and general electrical equipment.
What is the rated current of the NH1GG50V315?
The NH1GG50V315 has a rated current of 315 A.
What voltage is this fuse-link designed for?
It is rated for operation on systems up to 500 V AC and 250 V DC.
What does the gG characteristic mean?
The gG characteristic identifies a full-range fuse-link providing protection against both overloads and short circuits in general-purpose electrical circuits.
What is the breaking capacity of this fuse-link?
The NH1GG50V315 has a 120 kA AC breaking capacity, enabling it to safely interrupt high prospective fault currents when correctly installed.
Trusted by Electrical Professionals Worldwide
Mersen NH fuse-links are trusted by electrical contractors, panel builders, OEMs and industrial engineers for dependable circuit protection, high fault interruption capability and reliable long-term performance in demanding low voltage power distribution systems.
