MERSEN FUSE 1500VDC NH3L gPV 350A K bolted HP15NH3LGPV350B

MERSEN FUSE 1500VDC NH3L gPV 350A K bolted HP15NH3LGPV350B

Mersen Y1048683 HP15NH3LGPV350B HelioProtection photovoltaic fuse link rated at 350 A and 1500 V DC, with an NH3L body, gPV classification and bolted DIN-type blades for direct mounting.

SKU: Y1048683Alt SKU: HP15NH3LGPV350BMPN: Y1048683
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Why Choose the Mersen Y1048683 HP15NH3LGPV350B Photovoltaic Fuse?

The Mersen Y1048683, catalogue number HP15NH3LGPV350B, is a high-performance gPV photovoltaic fuse link engineered to protect high-power solar installations against damaging overcurrents and short circuits. As part of the Mersen HelioProtection® HP15NH series, it is designed for main circuit protection within photovoltaic arrays, combiner panels and inverter input systems.

With a rated current of 350 A and an operating voltage of up to 1500 V DC, this fuse is suitable for modern utility-scale and commercial photovoltaic systems. Its full-range gPV operating class enables reliable interruption of both low-level overcurrents and severe short-circuit currents that may occur within solar DC networks.

The Y1048683 uses a robust NH3L body with DIN-type bolted blades for direct mounting. A high DC breaking capacity of 150 kA at 1500 V DC provides dependable fault isolation, while compliance with IEC and UL photovoltaic fuse standards supports use in internationally specified solar projects.

Key Advantages

  • Specialist gPV fuse protection for photovoltaic applications.
  • 350 A rated current for high-capacity solar DC circuits.
  • 1500 V DC voltage rating for modern photovoltaic systems.
  • High 150 kA DC breaking capacity for dependable fault interruption.
  • Full-range protection against overloads and short circuits.
  • Bolted DIN-type blades provide secure direct mounting.
  • Low power losses help maintain photovoltaic system efficiency.
  • Complies with recognised IEC 60269-6 and UL 2579 standards.

Key Features

  • Mersen HelioProtection® HP15NH photovoltaic fuse series.
  • 350 A rated current.
  • 1500 V DC rated voltage.
  • gPV full-range photovoltaic utilisation category.
  • NH3L fuse body size.
  • DIN-type silver-plated copper blades.
  • Bolted terminals for direct mounting.
  • 150 kA breaking capacity at 1500 V DC.
  • Designed for high-current photovoltaic group protection.
  • Suitable for international solar energy installations.

Reliable Protection for High-Power Solar DC Circuits

Photovoltaic systems can produce continuous DC fault currents that differ significantly from faults within conventional AC installations. Dedicated gPV fuse links are engineered to interrupt these currents safely and isolate affected circuits before cables, panels or power conversion equipment sustain serious damage.

The Mersen Y1048683 is intended for main fuse protection within photovoltaic groups of strings. Its high voltage rating, full-range operating characteristics and substantial breaking capacity make it suitable for protecting high-power solar circuits where dependable isolation and long service life are essential.

Typical Applications

  • Utility-scale photovoltaic power stations.
  • Commercial and industrial solar installations.
  • Photovoltaic main combiner panels.
  • Solar array group protection.
  • Central inverter DC input circuits.
  • High-current photovoltaic cable protection.
  • Solar energy storage and DC distribution systems.
  • Renewable energy power conversion equipment.

Technical Specifications

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Voltage 1500 V
Current 350 A
Device Type Fuse link
Fuse Type PV (gPV)
Fuse Class gPV
Manufacturer Mersen
Series HelioProtection® HP15NH
Item number Y1048683
Catalogue number HP15NH3LGPV350B
Product type Photovoltaic fuse link
Fuse utilisation category gPV
Rated current 350 A
Rated voltage 1500 V DC
Rated breaking capacity 150 kA at 1500 V DC
Fuse size NH3L
Terminal type DIN-type bolted blades
Terminal material Silver-plated copper
Mounting method Direct mounting
Power dissipation at rated current 63 W
Power dissipation at 0.7 × rated current 25 W
Product dimensions (L × W × H) 205 × 70 × 74 mm
Product weight 1.66 kg
Applicable IEC standard IEC 60269-6
Applicable UL standard UL 2579
GTIN / EAN 3605340578041
HS Code 85351000

Frequently Asked Questions

What is the Mersen Y1048683 used for?

The Mersen Y1048683 protects high-current photovoltaic cables, array groups, combiner panels and inverter input circuits against overcurrents and short circuits.

What is the current rating of the Y1048683 fuse?

The fuse has a rated current of 350 A, making it suitable for high-capacity solar DC circuits.

What voltage is the Mersen Y1048683 rated for?

The Y1048683 is rated for operation at up to 1500 V DC.

What is the breaking capacity of this photovoltaic fuse?

The fuse has a rated DC breaking capacity of 150 kA at 1500 V DC, with an L/R time constant of 3 ms.

How is the Mersen Y1048683 installed?

The NH3L fuse link has DIN-type bolted blades and is designed for secure direct mounting within compatible photovoltaic equipment.

Trusted Photovoltaic Circuit Protection

Mersen HelioProtection® photovoltaic fuse links are used in solar installations worldwide to provide dependable fault interruption, effective cable protection and reliable operation in demanding high-voltage DC systems.