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MERSEN FUSE NH 2 300A 500V GG P200803
Mersen NH2GG50V300 DIN NH Size 2 gG fuse-link rated at 300 A, 500 V AC and 250 V DC with live gripping lugs and double indicator for industrial circuit protection.
£10.44
Why Choose the Mersen NH2GG50V300 NH Fuse-Link?
The Mersen NH2GG50V300 is a high-performance DIN NH gG low voltage fuse-link designed to provide dependable full-range protection against overloads and short circuits in industrial electrical distribution systems. Rated at 300 A, 500 V AC and 250 V DC, this NH Size 2 fuse-link is ideal for protecting cables, switchgear, busbars and industrial electrical equipment.
As part of Mersen's proven NH gG fuse-link range, the NH2GG50V300 incorporates live gripping lugs with a double indicator, allowing safe handling using an approved NH fuse puller while providing rapid visual confirmation when the fuse has operated. Manufactured to DIN NH and IEC standards, it delivers excellent current-limiting performance and high interrupting capacity for demanding industrial applications.
Designed for use in industrial power distribution systems, switchboards and OEM machinery, the NH2GG50V300 provides reliable protection against overload and short-circuit faults while helping minimise damage to connected electrical equipment during fault conditions.
Key Advantages
- Full-range gG protection against overload and short-circuit faults.
- 300 A rated current for industrial electrical distribution.
- 500 V AC and 250 V DC rated operation.
- High 120 kA breaking capacity.
- Excellent current-limiting performance reduces fault energy.
- Double indicator enables rapid identification of an operated fuse.
- Live gripping lugs support safe installation and replacement.
Key Features
- Mersen NH gG fuse-link series.
- Catalogue number: NH2GG50V300.
- Manufacturer item number: P200803.
- 300 A rated current.
- 500 V AC rated voltage.
- 250 V DC rated voltage.
- NH Size 2 construction.
- gG full-range protection characteristic.
- Double indication system.
- Live gripping lugs.
Reliable Protection for Industrial Distribution Systems
The Mersen NH2GG50V300 rapidly interrupts overload and short-circuit currents before they can damage cables, switchgear and connected equipment. Its high current-limiting capability significantly reduces thermal and mechanical stresses during fault conditions, improving the reliability and safety of industrial electrical installations.
Designed for installation in compatible NH Size 2 fuse bases and switch-fuse disconnectors, this fuse-link is widely specified by panel builders, OEMs and maintenance engineers for dependable low voltage circuit protection.
Typical Applications
- Industrial power distribution systems.
- Main and sub-distribution switchboards.
- Cable and feeder protection.
- Motor control centres.
- OEM machinery and automation equipment.
- Commercial and industrial electrical installations.
Technical Specifications
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| Fuse Indication | Dual indicator | |
|---|---|---|
| Current | 300 A | |
| Voltage | 500 V | |
| Device Type | Fuse link | |
| Fuse Type | NH (DIN) | |
| Fuse Size | NH2 | |
| Fuse Class | gG | |
| Manufacturer | Mersen | |
| Series | NH gG 500 V AC Fuse-Links | |
| Model | NH2GG50V300 | |
| Manufacturer reference | P200803 | |
| Product type | NH low voltage fuse-link | |
| Utilisation category | gG | |
| Fuse size | NH2 | |
| Rated current | 300 A | |
| Rated voltage AC | 500 V | |
| Rated voltage DC | 250 V | |
| Rated breaking capacity | 120 kA | |
| Power dissipation | 21 W | |
| Body width | 52 mm | |
| Weight | Approx. 0.64 kg | |
| Indicator | Double indicator | |
| Terminal type | Live gripping lugs | |
| HS Code | 85361090 | |
| Country of Manufacture | Hungary |
Frequently Asked Questions
What is the Mersen NH2GG50V300 used for?
It provides full-range protection against overload and short-circuit faults in industrial low voltage electrical distribution systems.
What is the current rating of this fuse?
The NH2GG50V300 has a 300 A current rating.
What voltage is this fuse designed for?
This fuse-link is rated for operation on systems up to 500 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 industrial electrical applications.
What is the purpose of the double indicator?
The integrated double indicator provides clear visual confirmation when the fuse has operated, helping maintenance engineers identify and replace the fuse quickly.
Trusted by Electrical Professionals Worldwide
Mersen NH gG fuse-links are trusted by electrical contractors, panel builders, OEMs and industrial maintenance engineers for delivering dependable circuit protection, high interrupting capacity and long-term reliability in demanding industrial power distribution systems.
