Mersen HP12NH1XLGPV160 gPV photovoltaic fuse link rated at 160 A and 1250 V DC for protecting photovoltaic strings, combiner boxes and inverter DC inputs.
£152.43
The Mersen H1039745, catalogue reference HP12NH1XLGPV160, is a high-performance gPV photovoltaic fuse link engineered specifically for protecting modern solar photovoltaic installations. As part of the Mersen HelioProtection® HP12NH series, it provides reliable full-range overcurrent protection for PV strings, combiner boxes and inverter DC inputs operating at up to 1250 V DC.
With a 160 A current rating, this NH1XL fuse is designed to interrupt both overload and short-circuit currents encountered in photovoltaic systems. The gPV operating characteristic provides dependable protection for PV cables and equipment, helping maximise system availability while reducing the risk of costly damage.
The HP12NH1XLGPV160 features plain blades for clip mounting, making installation straightforward within compatible fuse holders and photovoltaic distribution equipment. Built to comply with internationally recognised photovoltaic fuse standards, it is suitable for commercial, industrial and utility-scale renewable energy installations.
Photovoltaic fuse links are specifically engineered to interrupt DC fault currents safely within solar installations. Unlike conventional industrial fuses, gPV fuse links provide full-range protection across the complete range of fault conditions encountered in photovoltaic arrays, helping protect cables, combiner boxes and inverter inputs.
The Mersen HP12NH series delivers dependable long-term protection for modern photovoltaic installations operating at up to 1250 V DC, making it suitable for commercial rooftop systems, industrial installations and renewable energy infrastructure.
| Current | 160 A |
|---|---|
| Voltage | 250 V |
| Manufacturer | Mersen |
| Series | HelioProtection® HP12NH |
| Model | HP12NH1XLGPV160 |
| Item number | H1039745 |
| Product type | Photovoltaic fuse link |
| Fuse characteristic | gPV |
| Rated current | 160 A |
| Rated voltage | 1250 V DC |
| Frequency | 50 / 60 Hz |
| Breaking capacity | 50 kA DC |
| Fuse size | NH1XL |
| Connection type | Plain blades for clip mounting |
| Power dissipation at rated current | 36 W |
| Power dissipation at 0.7 × In | 14.5 W |
| Product weight | Approx. 0.70 kg |
| Standards | IEC 60269-6, UL 2579 |
The H1039745 protects photovoltaic strings, combiner boxes, inverter inputs and associated DC circuits against overloads and short circuits.
This fuse is rated for 1250 V DC.
The fuse has a continuous current rating of 160 A.
The gPV operating class provides full-range protection specifically designed for photovoltaic systems, covering both overload and short-circuit fault conditions.
The HP12NH1XLGPV160 complies with IEC 60269-6 and UL 2579 photovoltaic fuse standards.
Mersen HelioProtection® photovoltaic fuse links are trusted by solar installers, renewable energy engineers and panel builders worldwide for dependable protection of modern high-voltage photovoltaic systems.
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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...