Mersen P1048675 HelioProtection HP12NH3LGPV250B photovoltaic fuse-link with a 250 A rating, 1250 V DC rating, NH3L format and bolted direct-mounting connections.
Replacement product
MERSEN FUSE 1500VDC NH3L gPV 250A K bolted HP15NH3LGPV250B
SKU: W1048681
£292.31 ex VAT
View
£210.89
The Mersen P1048675 is a high-performance NH3L photovoltaic fuse-link designed to protect high-voltage DC circuits in commercial and utility-scale solar installations. Part of the established Mersen HelioProtection® HP12NHXL range, it provides reliable full-range protection against overloads and short circuits in demanding photovoltaic systems.
This gPV fuse-link features bolted connections for direct mounting, allowing secure integration into photovoltaic combiner boxes, inverter input assemblies and DC distribution equipment. Its durable construction, low power losses and ability to interrupt low fault currents help improve the safety, efficiency and operating life of solar power installations.
With a rated current of 250 A and a voltage rating of 1250 V DC, the P1048675 is suitable for protecting high-capacity photovoltaic arrays and associated DC cabling. Its NH3L format and direct-mounting design make it particularly suitable for panel builders, renewable energy contractors and equipment manufacturers requiring dependable high-voltage fuse protection.
Photovoltaic fuse-links are designed to interrupt reverse currents, overloads and short-circuit faults within solar DC networks. Correctly selected gPV fuses help protect cables, combiner equipment, inverters and other valuable components from damage caused by abnormal electrical conditions.
The Mersen HP12NHXL range combines low fault-current interruption capability with temperature-cycle resistance and durable construction. These characteristics make the P1048675 suitable for solar installations where dependable long-term performance and efficient high-voltage protection are essential.
| Current | 250 A |
|---|---|
| Voltage | 250 V |
| Manufacturer | Mersen |
| Series | HelioProtection® HP12NHXL |
| Model | P1048675 |
| Catalogue number | HP12NH3LGPV250B |
| Product type | Photovoltaic fuse-link |
| Operating class | gPV |
| Rated current | 250 A |
| Rated voltage | 1250 V DC |
| Interrupting rating | 50 kA DC |
| Fuse size | NH3L |
| Connection type | Bolted blades |
| Mounting type | Direct mounting |
| Power dissipation at rated current | 55 W |
| Power dissipation at 0.7 × rated current | 18 W |
| Weight | Approx. 1.66 kg |
| Standards | IEC 60269-6 and UL 2579 |
| Package quantity | 1 |
The Mersen P1048675 is used to protect high-voltage photovoltaic circuits, DC cabling, combiner boxes and inverter inputs against overloads and short circuits.
The P1048675 has a rated current of 250 A.
This photovoltaic fuse-link is rated for systems operating at up to 1250 V DC.
The fuse features bolted blades and is designed for secure direct mounting within suitable photovoltaic protection equipment.
The gPV classification identifies a full-range fuse specifically designed to protect photovoltaic circuits against both overload and short-circuit currents.
Mersen HelioProtection® photovoltaic fuses are widely specified by solar engineers, panel builders and renewable energy contractors for reliable DC protection in demanding commercial and utility-scale installations.
● Service Agreements
Credit Accounts
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
● frequently asked questions
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
● latest blog
LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
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...