Mersen W1048681 HP15NH3LGPV250B photovoltaic fuse-link with a 250 A rating, 1500 V DC rating, NH3L format and DIN-type bolted blades for direct mounting.
£292.31
The Mersen W1048681 is a high-performance NH3L photovoltaic fuse-link engineered specifically for protecting high-voltage DC photovoltaic systems. Part of the renowned Mersen HelioProtection® HP15NH series, it delivers reliable gPV protection for photovoltaic string groups, combiner boxes and inverter DC inputs operating in demanding commercial and utility-scale solar installations.
Designed to withstand the demanding thermal cycling and low fault-current conditions found within photovoltaic arrays, this fuse-link provides dependable protection against overloads and short circuits whilst helping maximise system uptime. Its DIN-type bolted blades allow secure direct mounting into compatible fuse bases and distribution equipment.
With a rated current of 250 A, a voltage rating of 1500 V DC and a high 150 kA DC breaking capacity, the W1048681 is ideally suited to protecting modern high-voltage photovoltaic installations. It complies with both IEC 60269-6 and UL 2579 photovoltaic fuse standards for worldwide acceptance.
Photovoltaic systems require specialist fuse-links capable of safely interrupting sustained DC fault currents whilst operating reliably under continuous thermal cycling. Correctly selected gPV fuse-links protect photovoltaic cables, combiner boxes and inverter inputs against overloads and short circuits, helping maximise system safety and reliability.
The Mersen HP15NH range has been specifically engineered for photovoltaic string protection and utility-scale solar installations. Its durable construction, low power losses and global approvals make the W1048681 an excellent choice for demanding renewable energy applications.
| Current | 250 A |
|---|---|
| Voltage | 500 V |
| Manufacturer | Mersen |
| Series | HelioProtection® HP15NH |
| Model | W1048681 |
| Catalogue number | HP15NH3LGPV250B |
| Product type | Photovoltaic fuse-link |
| Operating characteristic | gPV |
| Rated current | 250 A |
| Rated voltage | 1500 V DC |
| Breaking capacity | 150 kA DC |
| Fuse size | NH 3L |
| Terminal type | DIN-type bolted blades |
| Mounting type | Direct mounting |
| Frequency | 50 / 60 Hz |
| Power dissipation at rated current | 45 W |
| Power dissipation at 0.7 × rated current | 20 W |
| Product weight | Approx. 1.66 kg |
| EAN | 3605340578027 |
| Standards | IEC 60269-6 and UL 2579 |
| HS Code | 85351000 |
The Mersen W1048681 protects photovoltaic cables and equipment within high-voltage DC solar installations against overloads and short-circuit faults.
The W1048681 has a rated current of 250 A.
This photovoltaic fuse-link is designed for systems operating at up to 1500 V DC.
The fuse features DIN-type bolted blades and is designed for secure direct mounting within compatible photovoltaic protection equipment.
The W1048681 complies with both IEC 60269-6 and UL 2579 photovoltaic fuse standards.
Mersen HelioProtection® photovoltaic fuses are trusted by solar engineers, panel builders and renewable energy contractors for dependable DC protection in commercial and utility-scale photovoltaic installations.
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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...