Why Choose the Mersen HP15NH3LGPV200 Photovoltaic Fuse?
The Mersen J1037860 (HP15NH3LGPV200) is a high-performance 200 A photovoltaic NH fuse-link engineered specifically for protecting large-scale solar PV installations. As part of the proven Mersen HelioProtection® HP15NH series, this fuse is designed for use in 1500 V DC photovoltaic systems, providing reliable protection for PV arrays, combiner boxes and inverter inputs.
Unlike conventional industrial fuses, the HP15NH series has been developed specifically for photovoltaic applications where reverse currents and unique fault characteristics require specialist protection. The fuse complies with both IEC 60269-6 and UL 2579, making it suitable for international solar installations.
With a 200 A current rating, 1500 V DC operating voltage and 50 kA breaking capacity, the HP15NH3LGPV200 delivers dependable protection while helping maximise system safety and long-term reliability in demanding renewable energy environments.
Key Advantages
Designed specifically for 1500 V DC photovoltaic systems.
200 A current rating for high-power PV installations.
gPV operating class for full-range photovoltaic cable protection.
High 50 kA DC breaking capacity.
Complies with both IEC 60269-6 and UL 2579.
NH Size 3L fuse-link with plain blade terminals.
Suitable for clip-mounted photovoltaic fuse holders.
Key Features
Mersen HelioProtection® HP15NH series.
Catalogue number: HP15NH3LGPV200.
Item number: J1037860.
200 A rated current.
1500 V DC IEC and UL voltage rating.
50 kA interrupting capacity.
NH Size 3L fuse-link.
Plain blade terminals for clip mounting.
Designed specifically for photovoltaic cable protection.
Reliable Protection for Utility-Scale Solar Installations
Large photovoltaic systems require specialist overcurrent protection capable of safely interrupting both low-level reverse currents and high-energy DC faults. The Mersen HP15NH range has been developed specifically for these demanding operating conditions, helping protect valuable photovoltaic assets throughout their operational lifetime.
The HP15NH3LGPV200 provides dependable protection for photovoltaic cables and equipment while supporting the high reliability expected in utility-scale solar farms, commercial rooftop systems and renewable energy infrastructure.
Typical Applications
Utility-scale solar farms.
Commercial photovoltaic installations.
PV combiner boxes.
DC disconnect assemblies.
Central and string inverter protection.
Photovoltaic cable protection.
Renewable energy power distribution systems.
Technical Specifications
Current
200 A
Voltage
500 V
Manufacturer
Mersen
Series
HelioProtection® HP15NH
Model
HP15NH3LGPV200
Item number
J1037860
Product type
NH photovoltaic fuse-link
Application class
gPV
Rated current
200 A
Rated voltage
1500 V DC
Breaking capacity
50 kA DC
Fuse size
NH Size 3L
Terminal type
Plain blade
Mounting
Clip-mounted fuse holder
Frequency
50 / 60 Hz
Standards
IEC 60269-6, UL 2579
Weight
Approx. 1.69 kg
HS Code
85351000
Frequently Asked Questions
What is the Mersen J1037860 used for?
The J1037860 protects photovoltaic cables and equipment in 1500 V DC solar power systems against overloads and short-circuit faults.
What is the current rating of this fuse?
This photovoltaic fuse has a rated current of 200 A.
What voltage is the fuse designed for?
The HP15NH3LGPV200 is designed for photovoltaic systems operating at up to 1500 V DC.
What fuse size is the J1037860?
This model is supplied as an NH Size 3L fuse-link with plain blade terminals for clip mounting.
Which standards does this fuse comply with?
The fuse complies with both IEC 60269-6 and UL 2579 photovoltaic fuse standards.
Trusted by Renewable Energy Professionals
Mersen HelioProtection® photovoltaic fuses are trusted worldwide by solar installers, EPC contractors and renewable energy engineers to provide dependable protection for high-voltage photovoltaic systems.
Current
200 A
Voltage
500 V
Manufacturer
Mersen
Series
HelioProtection® HP15NH
Model
HP15NH3LGPV200
Item number
J1037860
Product type
NH photovoltaic fuse-link
Application class
gPV
Rated current
200 A
Rated voltage
1500 V DC
Breaking capacity
50 kA DC
Fuse size
NH Size 3L
Terminal type
Plain blade
Mounting
Clip-mounted fuse holder
Frequency
50 / 60 Hz
Standards
IEC 60269-6, UL 2579
Weight
Approx. 1.69 kg
HS Code
85351000
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
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.
Priority sourcing and supply support
Flexible payment terms for qualifying organisations
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.
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.
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...