MERSEN FUSE 1000VDC NH1 gPV 125A K bolted HP10NH1GPV125B

MERSEN FUSE 1000VDC NH1 gPV 125A K bolted HP10NH1GPV125B

Mersen F1048667 HP10NH1GPV125B NH1 gPV photovoltaic fuse rated at 125 A and 1000 V DC with DIN type blades for direct mounting.

SKU: F1048667Alt SKU: HP10NH1GPV125BMPN: F1048667
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Why Choose the Mersen F1048667 HP10NH1GPV125B Photovoltaic Fuse?

The Mersen F1048667 is a premium NH1 gPV photovoltaic fuse-link engineered specifically to protect modern solar photovoltaic systems against overloads and short circuits. As part of the trusted Mersen HelioProtection® HP10NH range, it provides dependable protection for photovoltaic strings, combiner boxes, inverter DC inputs and associated DC cabling operating at up to 1000 V DC.

Designed for demanding renewable energy applications, the HP10NH series delivers low power losses, excellent resistance to temperature cycling and reliable DC fault interruption. The F1048667 features DIN type blades for direct mounting, allowing secure installation into compatible photovoltaic switchgear and fuse holders whilst maintaining excellent electrical performance throughout its service life.

With a 125 A current rating, 1000 V DC voltage rating and 50 kA DC breaking capacity, the Mersen F1048667 is ideally suited to commercial, industrial and utility-scale photovoltaic installations where dependable protection and long-term reliability are essential.

Key Advantages

  • Purpose-designed gPV fuse-link for photovoltaic protection.
  • 125 A rated current for high-capacity PV circuits.
  • 1000 V DC operating voltage.
  • 50 kA DC breaking capacity for reliable fault interruption.
  • DIN type blades for direct mounting.
  • Low power dissipation improves photovoltaic system efficiency.
  • Manufactured by trusted circuit protection specialist Mersen.

Key Features

  • Manufacturer: Mersen.
  • Series: HelioProtection® HP10NH.
  • Catalogue number: HP10NH1GPV125B.
  • Manufacturer part number: F1048667.
  • Fuse type: NH1 gPV photovoltaic fuse-link.
  • Rated current: 125 A.
  • Rated voltage: 1000 V DC.
  • DIN type blades for direct mounting.
  • Silver-plated copper terminals.
  • Designed for photovoltaic string and combiner protection.

Reliable Protection for Solar Power Systems

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 reducing downtime and improving overall system reliability.

The Mersen HelioProtection® HP10NH range has been developed specifically for photovoltaic applications, combining durable construction, low power losses and dependable fault interruption for commercial and utility-scale renewable energy systems.

Typical Applications

  • Solar PV string protection.
  • PV combiner and recombiner boxes.
  • Inverter DC input protection.
  • Commercial rooftop photovoltaic systems.
  • Utility-scale solar farms.
  • Renewable energy distribution equipment.

Technical Specifications

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Voltage 1000 V
Current 125 A
Device Type Fuse link
Fuse Type NH (DIN), PV (gPV)
Fuse Size NH1
Fuse Class gPV
Manufacturer Mersen
Series HelioProtection® HP10NH
Manufacturer part number F1048667
Catalogue number HP10NH1GPV125B
Product type NH1 gPV photovoltaic fuse-link
Rated current 125 A
Rated voltage 1000 V DC IEC / UL
Fuse characteristic gPV
Fuse size NH1
Terminal type DIN type blades for direct mounting
Breaking capacity 50 kA DC @ 1000 V
Frequency 50 / 60 Hz
Power dissipation at rated current 18 W
Power dissipation at 70% rated current 7.4 W
Dimensions (L × W × H) 135 × 39.5 × 55.5 mm
Weight Approx. 0.4 kg
Standards IEC 60269-6, UL 2579
EAN 3605340577884
HS Code 85361090

Frequently Asked Questions

What is the Mersen F1048667 used for?

The Mersen F1048667 protects photovoltaic DC circuits against overloads and short circuits in solar power installations.

What is the current rating of this fuse?

This fuse has a 125 A rated current.

What voltage is this fuse designed for?

The HP10NH1GPV125B 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 fuse-links are trusted worldwide by solar installers, EPC contractors and renewable energy engineers for dependable protection of commercial and utility-scale photovoltaic systems.