Mersen G1004002 DC123GPV11C400E square-body gPV photovoltaic fuse rated at 400 A and 1200 V DC for commercial and utility-scale solar installations.
£310.46
The Mersen G1004002 is a heavy-duty gPV photovoltaic fuse-link engineered to provide dependable overcurrent protection for high-power solar installations operating at up to 1200 V DC. As part of the trusted Mersen HelioProtection® DC120-123 series, it is specifically designed to protect photovoltaic strings, combiner boxes, inverter inputs and associated DC cabling against overloads and short circuits.
Designed in accordance with IEC 60269-1 and IEC 60269-6, the DC123GPV11C400E provides full-range gPV protection for demanding photovoltaic applications. Its robust square-body construction offers excellent thermal performance and dependable interruption of DC fault currents, helping maximise system reliability whilst protecting valuable renewable energy equipment.
With a 400 A current rating, 1200 V DC voltage rating and 100 kA DC breaking capacity, the Mersen G1004002 is ideally suited to commercial, industrial and utility-scale photovoltaic systems requiring dependable high-current protection.
Purpose-designed photovoltaic fuse-links provide essential protection against overloads and short circuits within DC solar arrays. Correctly specified gPV fuses help protect photovoltaic modules, combiner boxes, inverter equipment and associated cabling whilst improving system reliability and reducing maintenance costs.
The Mersen HelioProtection® DC120-123 range has been developed specifically for photovoltaic applications, combining high DC voltage capability with excellent fault interruption performance for demanding commercial and utility-scale renewable energy systems.
| Current | 400 A |
|---|---|
| Voltage | 000 V |
| Manufacturer | Mersen |
| Series | HelioProtection® DC120-123 |
| Manufacturer part number | G1004002 |
| Catalogue number | DC123GPV11C400E |
| Product type | Square-body gPV photovoltaic fuse-link |
| Rated current | 400 A |
| Rated voltage | 1200 V DC |
| Fuse characteristic | gPV |
| Fuse size | 123 |
| Breaking capacity | 100 kA DC |
| Power dissipation at rated current | 84 W |
| Indicator | Without striker indicator |
| Standards | IEC 60269-1, IEC 60269-6 |
| EAN | 3605340518542 |
The Mersen G1004002 protects photovoltaic DC circuits against overloads and short circuits in commercial and utility-scale solar installations.
This fuse has a 400 A rated current.
The DC123GPV11C400E is designed for photovoltaic systems operating at up to 1200 V DC.
The fuse provides a maximum 100 kA DC breaking capacity for dependable interruption of high DC fault currents.
The fuse complies with IEC 60269-1 and IEC 60269-6 photovoltaic fuse standards.
Mersen HelioProtection® photovoltaic fuse-links are trusted worldwide by solar installers, EPC contractors and renewable energy engineers for dependable protection of commercial and utility-scale 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...
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...