A1003996

MERSEN FUSE 1500VDC NH3L gPV 160A HP15NH3LGPV160

Mersen HP15NH3LGPV160 gPV photovoltaic fuse link rated at 160 A and 1500 V DC for protecting photovoltaic strings, combiner boxes and inverter DC inputs.

SKU: H1037859Alt SKU: HP15NH3LGPV160MPN: H1037859
Price
List Price ex VAT
Your Price
Manufacturer Lead Time Please contact us for a delivery time before you order
Get the best trade prices Trade exclusive

Create a trade account to unlock exclusive pricing, special offers and more.

Trade pricing is personalised to your account

Manufacturer Lead Time

£263.07

Why Choose the Mersen H1037859 HP15NH3LGPV160 Photovoltaic Fuse?

The Mersen H1037859, catalogue reference HP15NH3LGPV160, is a high-performance gPV photovoltaic fuse link developed to provide reliable overcurrent protection for modern high-voltage solar installations. As part of the Mersen HelioProtection® HP15NH series, it is specifically engineered to protect photovoltaic strings, combiner boxes and inverter DC inputs operating at up to 1500 V DC.

Rated at 160 A, this Size 3L fuse provides full-range gPV protection against both low-level overloads and high fault currents commonly encountered in photovoltaic systems. Its robust construction, low power dissipation and high interrupting capability help maximise system safety while maintaining long-term reliability.

Designed with plain blades for clip mounting, the HP15NH3LGPV160 is suitable for commercial, industrial and utility-scale solar installations where dependable DC circuit protection is essential. Compliance with both IEC 60269-6 and UL 2579 ensures worldwide acceptance across a wide range of photovoltaic applications.

Key Advantages

  • Purpose-designed gPV fuse for photovoltaic applications.
  • 160 A current rating for high-capacity solar installations.
  • 1500 V DC rating for modern PV systems.
  • High fault-current interruption capability.
  • Low power losses improve overall system efficiency.
  • Excellent resistance to thermal cycling.
  • Plain blade design for clip-mounted fuse holders.
  • Complies with IEC 60269-6 and UL 2579 standards.

Key Features

  • Mersen HelioProtection® HP15NH series.
  • Catalogue number: HP15NH3LGPV160.
  • 160 A rated current.
  • 1500 V DC IEC and UL rating.
  • gPV full-range photovoltaic characteristic.
  • Size 3L fuse body.
  • Plain blade terminals for clip mounting.
  • Suitable for inverter DC input protection.
  • Designed for combiner and re-combiner applications.
  • RoHS and UKCA compliant.

Reliable Protection for High-Voltage Solar Installations

Photovoltaic fuse links protect solar cables and equipment by safely interrupting dangerous DC fault currents before damage can occur. The Mersen HP15NH series has been specifically developed for modern photovoltaic systems operating at up to 1500 V DC, providing dependable protection across the complete range of expected PV fault conditions.

The H1037859 is particularly well suited to protecting inverter inputs, string combiners and main DC distribution equipment in large-scale photovoltaic installations where reliability and long service life are critical.

Typical Applications

  • Utility-scale solar farms.
  • Commercial photovoltaic systems.
  • Industrial PV installations.
  • Inverter DC input protection.
  • Array combiner and master combiner boxes.
  • PV string cable protection.
  • Renewable energy DC distribution systems.

Technical Specifications

Current 160 A
Voltage 500 V
Manufacturer Mersen
Series HelioProtection® HP15NH
Model HP15NH3LGPV160
Item number H1037859
Product type Photovoltaic fuse link
Fuse characteristic gPV
Rated current 160 A
Rated voltage 1500 V DC (IEC / UL)
Frequency 50 / 60 Hz
Fuse size 3L
Connection type Plain blades for clip mounting
Power dissipation at rated current 36 W
Power dissipation at 0.7 × In 15 W
Product weight Approx. 1.69 kg
EAN 3605340547368
Standards IEC 60269-6, UL 2579
HS Code 85351000

Frequently Asked Questions

What is the Mersen H1037859 used for?

The H1037859 is designed to protect photovoltaic DC circuits including PV strings, combiner boxes and inverter inputs against overloads and short circuits.

What voltage is this fuse rated for?

This fuse is rated for 1500 V DC under both IEC and UL standards.

What current rating does the H1037859 have?

The fuse has a continuous current rating of 160 A.

What does the gPV classification mean?

The gPV operating class provides full-range protection specifically designed for photovoltaic installations, covering both overload and short-circuit conditions.

Which standards does this fuse comply with?

The HP15NH3LGPV160 complies with IEC 60269-6 and UL 2579 photovoltaic fuse standards.

Trusted by Solar Installation Professionals

Mersen HelioProtection® photovoltaic fuses are trusted worldwide by solar installers, panel builders and renewable energy engineers for reliable protection of modern high-voltage photovoltaic systems.

● Service Agreements

Credit Accounts

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.

 Tick  Priority sourcing and supply support

 Tick  Flexible payment terms for qualifying organisations

 Tick  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.

● latest blog

Discover  our latest insights and
expert advice

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

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.

LED Controls: Danfoss Drives Authorised Partner

LED Controls: Danfoss Drives Authorised Partner

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...

LED Controls: Your Complete Control Panel Solution

LED Controls: Your Complete Control Panel Solution

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...