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MERSEN FUSE 1250VDC NH2XL GPV 200A HP12NH2XLGPV200
Mersen J1039746 HP12NH2XLGPV200 200 A gPV photovoltaic fuse-link rated at 1250 V DC, with an NH Size 2XL body and plain blade terminals.
£129.40
Why Choose the Mersen J1039746 Photovoltaic Fuse-Link?
The Mersen J1039746, manufacturer reference HP12NH2XLGPV200, is a high-performance 200 A photovoltaic fuse-link designed to protect cables and electrical equipment in large commercial and utility-scale solar installations. As part of the Mersen HelioProtection® HP12NHXL series, it provides specialist overcurrent protection for photovoltaic circuits operating at up to 1250 V DC.
Photovoltaic systems can produce reverse currents and sustained low-level faults that conventional industrial fuses may not safely interrupt. The J1039746 uses a full-range gPV operating characteristic developed specifically for solar applications, helping isolate damaged circuits before excessive current affects PV cables, combiner equipment, disconnect assemblies or inverter inputs.
With its NH Size 2XL format, plain blade terminals and high DC breaking capacity, this fuse-link is suitable for clip-mounted fuse bases in demanding renewable energy installations. Its robust construction supports dependable performance through the repeated electrical loading and temperature cycling experienced by photovoltaic systems.
Key Advantages
- Specialist gPV fuse-link for photovoltaic circuit protection.
- 200 A rated current for high-power solar installations.
- 1250 V DC voltage rating for commercial and utility-scale PV systems.
- Full-range protection against photovoltaic overload and short-circuit currents.
- NH Size 2XL format for high-current fuse applications.
- Plain blade terminals enable secure installation in compatible fuse bases.
- Complies with recognised international photovoltaic fuse standards.
Key Features
- Mersen HelioProtection® HP12NHXL series.
- Manufacturer reference: HP12NH2XLGPV200.
- Item number: J1039746.
- 200 A rated current.
- 1250 V DC rated voltage.
- Full-range gPV utilisation category.
- NH Size 2XL fuse-link construction.
- Plain blade terminals for clip mounting.
- Designed specifically for main photovoltaic circuit protection.
Reliable Protection for High-Power Photovoltaic Systems
Large photovoltaic arrays require dedicated DC protection because their fault-current behaviour differs from that of conventional AC distribution systems. A gPV fuse-link is designed to interrupt both lower-level reverse currents and severe short-circuit currents across the complete operating range of the fuse.
The Mersen J1039746 helps protect photovoltaic group cables and downstream equipment by disconnecting a faulty circuit before excessive current causes further damage. Its NH construction makes it particularly suitable for high-current combiner boxes, inverter input circuits and central DC distribution equipment.
Typical Applications
- Utility-scale photovoltaic installations.
- Commercial solar power systems.
- Photovoltaic group and array cable protection.
- PV combiner and recombiner boxes.
- Central inverter input protection.
- DC disconnect and distribution assemblies.
- High-voltage renewable energy infrastructure.
Technical Specifications
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| Voltage | 1250 V | |
|---|---|---|
| Current | 200 A | |
| Device Type | Fuse link | |
| Fuse Type | NH (DIN), PV (gPV) | |
| Manufacturer | Mersen | |
| Series | HelioProtection® HP12NHXL | |
| Model | HP12NH2XLGPV200 | |
| Item number | J1039746 | |
| Product type | Photovoltaic NH fuse-link | |
| Application class | gPV | |
| Rated current | 200 A | |
| Rated voltage | 1250 V DC | |
| Breaking capacity | 50 kA DC | |
| Fuse size | NH Size 2XL | |
| Terminal type | Plain blade | |
| Mounting type | Clip mounting | |
| Power dissipation at rated current | 40 W | |
| Power dissipation at 0.7 × rated current | 16 W | |
| Standards | IEC 60269-6 and UL 2579 | |
| Weight | Approx. 1.05 kg |
Frequently Asked Questions
What is the Mersen J1039746 used for?
The J1039746 is used to protect high-current photovoltaic cables and equipment against overloads, reverse currents and short-circuit faults.
What is the rated current of this fuse-link?
The Mersen J1039746 has a rated current of 200 A.
What voltage can the J1039746 support?
This photovoltaic fuse-link is rated for systems operating at up to 1250 V DC.
What fuse size is the Mersen J1039746?
The J1039746 is an NH Size 2XL fuse-link with plain blade terminals for installation in a compatible clip-mounted fuse base.
Which standards does this photovoltaic fuse meet?
The fuse is designed in accordance with IEC 60269-6 and UL 2579 requirements for photovoltaic fuse protection.
Trusted by Solar Energy Professionals
Mersen HelioProtection® fuse-links are widely used by solar engineers, panel builders and renewable energy contractors to provide dependable protection for high-voltage photovoltaic installations.
