Why Choose the Mersen D1048665 HP10NH1GPV80B Photovoltaic Fuse?
The Mersen D1048665 is a premium NH1 gPV photovoltaic fuse-link designed specifically to protect photovoltaic systems against overloads and short circuits. Part of the proven Mersen HelioProtection® HP10NH series, this fuse provides dependable protection for PV string cables, combiner boxes and inverter DC inputs operating at up to 1000 V DC.
Featuring DIN type blades for direct mounting, the HP10NH1GPV80B delivers reliable electrical performance while simplifying installation into compatible fuse holders and switchgear assemblies. Designed in accordance with IEC 60269-6 and UL 2579, it provides full-range gPV protection for modern commercial and utility-scale photovoltaic systems.
With an 80 A current rating, 1000 V DC voltage rating and robust NH1 construction, the D1048665 is an excellent choice for demanding renewable energy applications where dependable circuit protection and long service life are essential.
Key Advantages
Purpose-designed gPV fuse-link for photovoltaic protection.
80 A current rating for PV string and combiner protection.
1000 V DC voltage rating.
DIN type blades for direct mounting.
High fault interruption capability for DC applications.
Low power losses help improve photovoltaic system efficiency.
Manufactured by trusted circuit protection specialist Mersen.
Key Features
Manufacturer: Mersen.
Series: HelioProtection® HP10NH.
Catalogue number: HP10NH1GPV80B.
Manufacturer part number: D1048665.
Fuse type: NH1 gPV photovoltaic fuse-link.
Rated current: 80 A.
Rated voltage: 1000 V DC.
DIN type blades for direct mounting.
Designed for inverter and combiner box protection.
Complies with IEC 60269-6 and UL 2579.
Reliable Protection for Solar Power Systems
Photovoltaic fuse-links provide essential protection against overloads and short circuits within DC solar installations. Correctly specified gPV fuses help protect PV modules, cables, combiner boxes and inverter equipment while improving the safety, reliability and longevity of renewable energy systems.
The Mersen HelioProtection® HP10NH range has been developed specifically for photovoltaic applications, offering low power losses, excellent temperature cycling performance and dependable fault interruption under demanding operating conditions.
Typical Applications
Solar PV string protection.
PV combiner boxes.
Inverter DC input protection.
Commercial rooftop photovoltaic installations.
Utility-scale solar farms.
Renewable energy distribution equipment.
Technical Specifications
Current
80 A
Voltage
000 V
Manufacturer
Mersen
Series
HelioProtection® HP10NH
Manufacturer part number
D1048665
Catalogue number
HP10NH1GPV80B
Product type
NH1 gPV photovoltaic fuse-link
Rated current
80 A
Rated voltage
1000 V DC
Fuse characteristic
gPV
Fuse size
NH1
Terminal style
DIN type blades for direct mounting
Frequency
50 / 60 Hz
Power dissipation at rated current
15 W
Power dissipation at 70% rated current
6.1 W
Approximate weight
0.4 kg
EAN
3605340577860
HS Code
85361090
Frequently Asked Questions
What is the Mersen D1048665 used for?
The Mersen D1048665 protects photovoltaic DC circuits against overloads and short circuits in solar power systems.
What is the current rating of this fuse?
This fuse has a rated current of 80 A.
What voltage is this fuse designed for?
The HP10NH1GPV80B is designed for photovoltaic systems operating at up to 1000 V DC.
What type of terminals does this fuse use?
This version features DIN type blades for direct mounting, making it suitable for compatible photovoltaic fuse holders and switchgear.
Which standards does this fuse comply with?
The fuse complies with IEC 60269-6 and UL 2579 photovoltaic fuse standards.
Trusted by Renewable Energy Professionals
Mersen HelioProtection® photovoltaic fuses are trusted worldwide by solar installers, electrical contractors and renewable energy engineers for dependable protection of commercial and utility-scale photovoltaic systems.
Current
80 A
Voltage
000 V
Manufacturer
Mersen
Series
HelioProtection® HP10NH
Manufacturer part number
D1048665
Catalogue number
HP10NH1GPV80B
Product type
NH1 gPV photovoltaic fuse-link
Rated current
80 A
Rated voltage
1000 V DC
Fuse characteristic
gPV
Fuse size
NH1
Terminal style
DIN type blades for direct mounting
Frequency
50 / 60 Hz
Power dissipation at rated current
15 W
Power dissipation at 70% rated current
6.1 W
Approximate weight
0.4 kg
EAN
3605340577860
HS Code
85361090
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.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
Priority sourcing and supply support
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
Trusted Manfacturers
● frequently asked questions
Common questions about our products and support
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
What product ranges do you supply
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Can you help specify the correct part?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Do you have stock for urgent orders?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
What are your delivery times and costs?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
What about warranties, returns and faulty items?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
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...