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MERSEN FUSE 1200VDC T121 gPV 100A PB DC121GPV12C100P
Mersen F1025391 DC121GPV12C100E square-body gPV photovoltaic fuse rated at 100 A and 1200 V DC for commercial and utility-scale solar installations.
Why Choose the Mersen F1025391 DC121GPV12C100E Photovoltaic Fuse?
The Mersen F1025391 is a high-performance gPV photovoltaic fuse-link engineered to provide reliable overcurrent protection for modern solar power systems operating at up to 1200 V DC. Part of the trusted Mersen HelioProtection® DC121 range, 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 DC121GPV12C100E provides full-range gPV protection for photovoltaic installations. Its square-body construction offers excellent thermal performance and dependable fault interruption, helping to maximise system reliability whilst protecting valuable renewable energy equipment.
With a 100 A current rating, 1200 V DC voltage rating and compact size 121 construction, the Mersen F1025391 is ideally suited to commercial, industrial and utility-scale photovoltaic systems requiring dependable high-voltage DC protection.
Key Advantages
- Purpose-designed gPV fuse-link for photovoltaic protection.
- 100 A rated current for solar array and DC distribution circuits.
- 1200 V DC voltage rating.
- Full-range protection against overloads and short circuits.
- Square-body construction for demanding renewable energy applications.
- Designed to recognised IEC photovoltaic fuse standards.
- Manufactured by trusted circuit protection specialist Mersen.
Key Features
- Manufacturer: Mersen.
- Series: HelioProtection® DC121.
- Catalogue number: DC121GPV12C100E.
- Manufacturer part number: F1025391.
- Fuse type: Square-body gPV photovoltaic fuse-link.
- Rated current: 100 A.
- Rated voltage: 1200 V DC.
- Fuse size: 121.
- Designed specifically for photovoltaic applications.
- Suitable for commercial and utility-scale solar installations.
Reliable Protection for High-Voltage Solar Installations
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 the safety and long-term reliability of renewable energy systems.
The Mersen HelioProtection® DC121 range has been developed specifically for photovoltaic applications, combining high DC voltage capability with dependable fault interruption for demanding commercial and utility-scale renewable energy systems.
Typical Applications
- Photovoltaic string protection.
- Solar combiner boxes.
- Inverter DC input protection.
- Commercial rooftop photovoltaic systems.
- Utility-scale solar farms.
- Renewable energy distribution equipment.
Technical Specifications
Tick the specs you need, then view products that match.
| Voltage | 1200 V | |
|---|---|---|
| Current | 100 A | |
| Device Type | Fuse link | |
| Fuse Type | PV (gPV) | |
| Fuse Class | gPV | |
| Manufacturer | Mersen | |
| Series | HelioProtection® DC121 | |
| Manufacturer part number | F1025391 | |
| Catalogue number | DC121GPV12C100E | |
| Product type | Square-body gPV photovoltaic fuse-link | |
| Rated current | 100 A | |
| Rated voltage | 1200 V DC | |
| Fuse characteristic | gPV | |
| Fuse size | 121 | |
| Standards | IEC 60269-1, IEC 60269-6 | |
| Application | Solar photovoltaic protection | |
| EAN | 3605340526479 |
Frequently Asked Questions
What is the Mersen F1025391 used for?
The Mersen F1025391 protects photovoltaic DC circuits against overloads and short circuits in commercial and utility-scale solar installations.
What is the current rating of this fuse?
This fuse has a 100 A rated current.
What voltage is this fuse designed for?
The DC121GPV12C100E is designed for photovoltaic systems operating at up to 1200 V DC.
What does the gPV classification mean?
The gPV operating characteristic provides full-range protection specifically developed for photovoltaic DC circuits.
Where is this fuse typically installed?
It is commonly installed in photovoltaic combiner boxes, inverter DC input assemblies and other high-voltage solar power distribution equipment.
Trusted by Renewable Energy Professionals
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.
