Mersen N1048674 HelioProtection HP12NH photovoltaic fuse-link with 250 A rating, 1250 V DC rating and gPV operating class for protecting high-voltage solar installations.
£210.89
The Mersen N1048674 is a high-performance HelioProtection® NH photovoltaic fuse engineered to provide dependable overcurrent protection for modern DC solar power systems. Designed for demanding renewable energy applications, this fuse delivers reliable protection for photovoltaic strings, combiner boxes and DC distribution equipment operating at high voltages.
Manufactured by Mersen, a global leader in electrical protection solutions, the N1048674 forms part of the proven HP12NH series. Its direct mounting design simplifies installation while ensuring long-term reliability in commercial and utility-scale photovoltaic installations.
With a 250 A current rating, 1250 V DC voltage rating and gPV operating class, the Mersen N1048674 is specifically designed to protect photovoltaic circuits against overloads and short circuits whilst maintaining excellent performance throughout the life of the solar installation.
Photovoltaic fuse-links are specifically engineered to protect DC circuits found within solar energy systems. They rapidly interrupt fault currents while safely isolating damaged circuits, helping to protect inverters, combiner boxes, disconnect switches and other critical electrical equipment.
The Mersen HP12NH range has been developed for today's high-voltage photovoltaic systems, providing dependable protection that supports maximum system uptime and long service life across commercial, industrial and utility-scale renewable energy installations.
| Current | 250 A |
|---|---|
| Voltage | 250 V |
| Manufacturer | Mersen |
| Series | HelioProtection® HP12NH |
| Model | N1048674 |
| Catalogue number | HP12NH2LGPV250B |
| Product type | Photovoltaic fuse-link |
| Operating class | gPV |
| Rated current | 250 A |
| Rated voltage | 1250 V DC |
| Fuse size | NH 2XL |
| Mounting type | Direct mounting |
| Power dissipation at rated current | 44 W |
| Power dissipation at 0.7 × In | 18 W |
| Application | Solar photovoltaic protection |
| Package quantity | 1 |
The Mersen N1048674 protects high-voltage DC photovoltaic circuits against overloads and short circuits within solar power installations.
This fuse has a 250 A current rating.
The N1048674 is designed for photovoltaic systems operating at up to 1250 V DC.
The gPV operating class indicates the fuse is specifically designed to provide full-range protection for photovoltaic DC circuits.
It is commonly installed within PV combiner boxes, inverter protection assemblies and other DC distribution equipment used in commercial and utility-scale solar systems.
Mersen HelioProtection® photovoltaic fuses are trusted by solar installers, EPC contractors and renewable energy engineers for dependable DC circuit protection in demanding photovoltaic applications.
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2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...