Why Choose the Mersen F1004001 DC122GPV11C315E Photovoltaic Fuse?
The Mersen F1004001 is a high-performance gPV photovoltaic fuse-link engineered to provide dependable overcurrent protection for modern solar power systems operating at up to 1100 V DC. Part of the trusted Mersen HelioProtection® DC122 range, it is specifically designed to protect photovoltaic strings, combiner boxes, inverter inputs and associated DC cabling from overloads and short circuits.
Manufactured to comply with IEC 60269-1 and IEC 60269-6, the DC122GPV11C315E provides full-range gPV protection for photovoltaic installations. Its square-body construction delivers excellent thermal performance, low power losses and reliable fault interruption under demanding renewable energy operating conditions.
With a 315 A current rating, 1100 V DC voltage rating and an impressive 100 kA DC breaking capacity, the Mersen F1004001 is ideally suited to commercial, industrial and utility-scale photovoltaic installations requiring dependable high-current protection.
Key Advantages
Purpose-designed gPV fuse-link for photovoltaic protection.
315 A rated current for high-capacity solar installations.
1100 V DC voltage rating.
100 kA DC breaking capacity for reliable fault interruption.
Protects PV strings, combiner boxes and inverter DC circuits.
Low power losses improve photovoltaic system efficiency.
Manufactured by trusted circuit protection specialist Mersen.
Designed for commercial and utility-scale PV systems.
Reliable Protection for High-Power 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 overall system reliability and reducing downtime.
The Mersen HelioProtection® DC122 range has been engineered specifically for photovoltaic applications, combining high DC voltage capability with excellent fault interruption performance 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
Current
315 A
Voltage
100 V
Manufacturer
Mersen
Series
HelioProtection® DC122
Manufacturer part number
F1004001
Catalogue number
DC122GPV11C315E
Product type
Square-body gPV photovoltaic fuse-link
Rated current
315 A
Rated voltage
1100 V DC
Fuse characteristic
gPV
Fuse size
122
Breaking capacity
100 kA DC
Power dissipation at rated current
63.9 W
Power dissipation at 70% rated current
26.1 W
Standards
IEC 60269-1, IEC 60269-6
EAN
3605340478655
Frequently Asked Questions
What is the Mersen F1004001 used for?
The Mersen F1004001 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 315 A rated current.
What voltage is this fuse designed for?
The DC122GPV11C315E is designed for photovoltaic systems operating at up to 1100 V DC.
What is the breaking capacity of this fuse?
The fuse provides a maximum 100 kA DC breaking capacity for dependable interruption of high DC fault currents.
Which standards does this fuse comply with?
The fuse complies with IEC 60269-1 and IEC 60269-6 photovoltaic fuse standards.
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.
Current
315 A
Voltage
100 V
Manufacturer
Mersen
Series
HelioProtection® DC122
Manufacturer part number
F1004001
Catalogue number
DC122GPV11C315E
Product type
Square-body gPV photovoltaic fuse-link
Rated current
315 A
Rated voltage
1100 V DC
Fuse characteristic
gPV
Fuse size
122
Breaking capacity
100 kA DC
Power dissipation at rated current
63.9 W
Power dissipation at 70% rated current
26.1 W
Standards
IEC 60269-1, IEC 60269-6
EAN
3605340478655
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
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...