SKU: HP10M3MPN: HP10M3
MERSEN FUSE 1000VDC 3A MIDGET PV FUSE HP10M3

MERSEN FUSE 1000VDC 3A MIDGET PV FUSE HP10M3

Mersen HP10M3 gPV photovoltaic fuse rated at 3 A and 1000 V DC with ferrule terminals for clip mounting, designed for protecting photovoltaic strings and solar DC circuits.

Price
List Price ex VAT
Your Price
On backorder 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

Available on backorder

Sold in packs of 10

£8.23

Why Choose the Mersen HP10M3 Photovoltaic Fuse?

The Mersen HP10M3 is a compact, high-performance gPV photovoltaic fuse link designed specifically to protect modern solar photovoltaic systems against overloads, line faults and ground faults. As part of the trusted Mersen HelioProtection® HP10M series, it delivers dependable protection for photovoltaic strings, combiner boxes, inverter DC inputs and battery charging systems operating at up to 1000 V DC.

Rated at 3 A, the HP10M3 has been engineered for the unique electrical characteristics of PV installations, including the relatively low fault currents produced by solar arrays. Its enhanced fuse construction offers excellent resistance to continuous temperature and current cycling, helping maximise long-term system reliability.

Featuring ferrule terminals for clip mounting, the HP10M3 installs easily into compatible 10 × 38 mm photovoltaic fuse holders. It is suitable for both off-grid and grid-connected renewable energy systems requiring reliable full-range gPV protection.

Key Advantages

  • Purpose-designed gPV fuse for photovoltaic applications.
  • 3 A rated current for low-current PV string protection.
  • 1000 V DC operating voltage.
  • Designed for low photovoltaic fault-current interruption.
  • High 50 kA DC breaking capacity.
  • Excellent resistance to repeated temperature and current cycling.
  • Ferrule terminals for straightforward clip mounting.
  • Complies with IEC 60269-6, UL 2579 and CSA C22.2 requirements.

Key Features

  • Mersen HelioProtection® HP10M series.
  • Model: HP10M3.
  • 3 A rated current.
  • 1000 V DC rated voltage.
  • gPV full-range photovoltaic characteristic.
  • Ferrule terminals for clip mounting.
  • 10 × 38 mm cylindrical fuse body.
  • Designed specifically for photovoltaic DC circuits.
  • Suitable for inverter DC input and string protection.
  • RoHS compliant construction.

Reliable Protection for Solar PV Systems

Photovoltaic arrays continue producing electrical power whenever exposed to sunlight, making specialist DC overcurrent protection essential. The HP10M series has been specifically developed to interrupt the relatively low fault currents encountered in photovoltaic installations safely while protecting cables, combiner boxes, inverter inputs and associated equipment.

The HP10M3 is ideal for protecting low-current photovoltaic strings and other critical DC circuits in both residential and commercial renewable energy systems. Its enhanced fuse construction provides excellent durability under repeated thermal cycling and continuous outdoor operation.

Typical Applications

  • Photovoltaic string protection.
  • PV combiner boxes.
  • Solar inverter DC input protection.
  • Battery charging systems.
  • Residential rooftop solar installations.
  • Commercial photovoltaic systems.
  • Off-grid renewable energy systems.

Technical Specifications

Current 3 A
Voltage 000 V
Manufacturer Mersen
Series HelioProtection® HP10M
Model HP10M3
Reference number D1018581
Product type Photovoltaic fuse link
Fuse characteristic gPV
Rated current 3 A
Rated voltage 1000 V DC
Frequency 50 / 60 Hz
Breaking capacity 50 kA DC
Fuse dimensions 10 × 38 mm
Connection type Ferrule terminals
Mounting type Clip mounting
Power loss at 70% rated current 0.66 W
Power loss at 80% rated current 0.87 W
Power loss at rated current 1.36 W
EAN / UPC 782001429874
Compliance RoHS compliant
Standards IEC 60269-6, UL 2579 and CSA C22.2
HS Code 85361010
Country of Manufacture Mexico

Frequently Asked Questions

What is the Mersen HP10M3 used for?

The HP10M3 protects photovoltaic strings, combiner boxes, inverter inputs and other solar DC circuits against overloads and short circuits.

What are the voltage and current ratings?

The fuse is rated at 3 A and 1000 V DC.

What type of fuse is the HP10M3?

It is a gPV photovoltaic fuse specifically designed to provide full-range protection for solar photovoltaic installations.

How is the fuse mounted?

The HP10M3 features ferrule terminals and is designed for installation in compatible clip-mounted 10 × 38 mm fuse holders.

Which standards does this fuse comply with?

The HP10M3 complies with IEC 60269-6, UL 2579 and CSA C22.2 photovoltaic fuse standards.

Trusted by Solar Professionals Worldwide

Mersen HelioProtection® photovoltaic fuses are trusted by renewable energy engineers, solar installers and panel builders worldwide for dependable DC circuit protection in modern 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...