Why Choose the Mersen C1048664 HP10NH1GPV63B Photovoltaic Fuse?
The Mersen C1048664 is a premium NH1 gPV photovoltaic fuse designed to provide dependable overcurrent protection for modern solar photovoltaic installations. Part of the renowned Mersen HelioProtection® HP10NH series, this fuse has been specifically engineered to protect photovoltaic strings, combiner boxes and inverter DC inputs operating at up to 1000 V DC.
Featuring DIN type blades for direct mounting, the HP10NH1GPV63B offers secure installation while delivering fast and reliable fault interruption under demanding DC operating conditions. Designed in accordance with IEC 60269-6 and UL 2579, it helps safeguard valuable photovoltaic equipment whilst maintaining long-term system reliability.
With a 63 A current rating, 1000 V DC voltage rating and robust NH1 construction, the C1048664 is ideal for commercial and industrial photovoltaic systems requiring dependable DC circuit protection.
Key Advantages
Designed specifically for photovoltaic (gPV) applications.
1000 V DC voltage rating.
63 A current rating for PV string protection.
DIN type blades for direct mounting.
Excellent fault interruption capability.
Low power losses improve system efficiency.
Manufactured by trusted circuit protection specialist Mersen.
Key Features
Manufacturer: Mersen.
Series: HelioProtection® HP10NH.
Catalogue number: HP10NH1GPV63B.
Manufacturer part number: C1048664.
Fuse type: NH1 gPV photovoltaic fuse-link.
Rated current: 63 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, reducing downtime and improving the overall reliability of renewable energy systems.
The Mersen HelioProtection® HP10NH range has been specifically developed for photovoltaic applications, combining low power losses with high interrupting capability and excellent resistance to temperature cycling in demanding outdoor environments.
Typical Applications
Solar PV string protection.
PV combiner boxes.
Inverter DC input protection.
Commercial rooftop solar installations.
Utility-scale photovoltaic systems.
Renewable energy distribution equipment.
Technical Specifications
Current
63 A
Voltage
000 V
Manufacturer
Mersen
Series
HelioProtection® HP10NH
Manufacturer part number
C1048664
Catalogue number
HP10NH1GPV63B
Product type
NH1 gPV photovoltaic fuse-link
Rated current
63 A
Rated voltage
1000 V DC
Fuse characteristic
gPV
Fuse size
NH1
Terminal style
DIN type blades for direct mounting
Standards
IEC 60269-6, UL 2579
Power dissipation at rated current
13 W
Power dissipation at 70% rated current
5.4 W
Approximate weight
0.4 kg
HS Code
85361050
Frequently Asked Questions
What is the Mersen C1048664 used for?
The Mersen C1048664 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 63 A current rating.
What voltage is this fuse designed for?
The HP10NH1GPV63B 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 equipment.
Which standards does this fuse comply with?
The fuse is designed to comply with IEC 60269-6 and UL 2579 photovoltaic fuse standards.
Trusted by Renewable Energy Professionals
Mersen HelioProtection® photovoltaic fuses are trusted by solar installers, electrical contractors and renewable energy engineers worldwide for dependable protection of commercial and utility-scale photovoltaic systems.
Current
63 A
Voltage
000 V
Manufacturer
Mersen
Series
HelioProtection® HP10NH
Manufacturer part number
C1048664
Catalogue number
HP10NH1GPV63B
Product type
NH1 gPV photovoltaic fuse-link
Rated current
63 A
Rated voltage
1000 V DC
Fuse characteristic
gPV
Fuse size
NH1
Terminal style
DIN type blades for direct mounting
Standards
IEC 60269-6, UL 2579
Power dissipation at rated current
13 W
Power dissipation at 70% rated current
5.4 W
Approximate weight
0.4 kg
HS Code
85361050
No documents available for this product.
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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...