Mersen HP15G3 - Photovoltaic fuse gPV 1500VDC IEC 1500VDC UL 3A With Ferrule For Clip
Mersen

HP15G3

Alternate Item Number: HP15G3

UPC: 782001483937


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Overview

Mersen's HP15G3 photovoltaic (PV) fuse, SKU HP15G3, is engineered for reliable ground fault protection in 1500VDC PV systems. This gPV class fuse meets IEC 60269-6 and is UL Listed to Standard UL2579 (File E333668), ensuring global acceptance and industry-first UL certification for this voltage class. Designed for in-line PV module protection, the HP15G3 features a durable construction that withstands continuous temperature and current cycling, contributing to enhanced system longevity. Its low minimum breaking capacity (MBC) of 1.35 times the rated current (3A) allows for safe interruption of typical low ground fault currents generated by PV arrays. The 10x57mm ferrule terminal design ensures secure connection within compatible fuse holders. Mersen's HelioProtection® line, including the HP15G3, provides essential protection against unexpected ground faults and string faults for both off-grid and grid-tied PV installations. Available in standard (5 fuses) and bulk (88 fuses) packaging options.
  • 1500VDC rated gPV photovoltaic fuse
  • 3A current rating with 50kA interrupting rating
  • UL Listed to Standard UL2579 and IEC 60269-6 compliant
  • Low minimum breaking capacity of 1.35 x In for safe fault interruption
  • Durable construction for enhanced system longevity and temperature cycle withstand

Specifications

Amperage Rating
3 A
Application
In-line PV module protection
Body Material
GMG
Brand Name
Mersen
Class
Photovoltaic
Connection
Ferrule
Connection Material
Nickel-Plated Copper
Connection Type
Ferrule Terminal, Crimp Cap Terminal
DC Voltage Rating
1500 V
Fuse Class
Photovoltaic
Interrupt Rating
50 kA
Mounting
Clip
Series
HP15G
Size
2.24 x 0.04 in
Size
56.896 x 0.991 mm
Size
2.25 x 0.41 in
Size
57.15 x 10.414 mm
Special Features
Low fault current interrupting capability Durable construction for enhanced system longevity Temperature cycle withstand capability Guaranteed operation at temperature extremes Industry’s first UL Listed Solution Globally accepted Available in standard and bulk packaging options
Standard
UL Listed to Standard UL2579 File E333668 IEC 60269-6
Sub Brand
HelioProtection®
Type
Photovoltaic Fuses UL
Type
Photovoltaic Fuses
Voltage Rating
1500 VDC
Package Dimensions (L x W x H)
2.24 in x 0.04 in x 0.04 in
Package Dimensions (L x W x H)
56.896 mm x 0.991 mm x 0.991 mm
Package Weight (Imperial)
0.020 lb
Package Weight (Metric)
0.009 kg
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POWR-JAW clamps improve the contact between fuse and clip. The unnecessary heat from poor contact due to the loss of spring force in the clips can cause nuisance fuse opening and premature aging of surrounding components. High temperature phenolic resin knob designed for the most severe environments 7 sizes to provide effective coverage. Simple design makes installation easy.

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Frequently Asked Questions about Mersen

What industries and applications are Mersen products used for?

Mersen products are used across diverse industrial sectors including solar power, electric vehicles, buildings/construction, industrial automation, power distribution, HVAC, elevators, telecommunications, and specialty manufacturing. Key application areas include circuit protection, surge protection, battery module protection, electrical safety systems, and power management for residential, commercial, and utility-scale installations.

What are the main product lines offered by Mersen?

Mersen offers five primary electrical power product lines: IEC and UL/CSA Fuses and Fusegear, Surge Protection, Low Voltage Disconnect Switches, Power Distribution Blocks, and Engineered Solutions. Their comprehensive range includes specialized components like high-speed fuses, modular fuse holders, surge arresters, and custom-engineered electrical protection systems for industrial and power management applications.

What are the key features of Mersen products?

Mersen products feature advanced electrical protection and power management solutions with key characteristics including finger-safe design, compact modularity, and high-performance safety features. Their product lines span electrical power components like fuses, surge protection, power distribution blocks, and specialized solutions for industrial, solar, and building applications. Critical features include UL/CSA approvals, high short-circuit current ratings, and innovative technologies like the Fuse Control™ program that minimize electrical risks and optimize system performance.

What environmental ratings do Mersen products have?

Mersen products meet rigorous environmental ratings across multiple standards, including UL 508A Type 1, 2, 3, 4, 4X, 12, and 13, CSA Type 1, 2, 3, 4, 4X, 12, and 13, and NEMA Type 1, 2, 3, 4, 4X, 12, and 13. They feature IEC 60529 IP66 protection, with enhanced UV inhibitors for outdoor weathering and operating temperatures ranging from -40°C to 130°C (-40°F to 266°F). These ratings ensure superior protection in wet, corrosive, and challenging industrial environments.

What accessories are available for Mersen products?

Mersen offers multiple accessories for their fuse blocks and systems, including safety pullers (DFC3M and DFC3LP), DIN-rail adapters (DRM), bus bars, auxiliary contacts, and specialized mounting hardware. Key accessories include the DFC3M safety puller for 1-1/2" x 13/32" midget or Class CC fuses, the DRM adapter for mounting 303 series fuse blocks on DIN-rail, and UltraSafe fuse module accessories like bus bars and auxiliary contacts that enable module interconnection and monitoring.

How are Mersen products typically installed?

Mersen products are typically installed in electrical distribution systems, control panels, and industrial automation environments using multiple mounting options. These include service entrance panel mounting, distribution panel installation, control panel DIN rail mounting, and custom engineered solutions like Fused Coordination Panelboards. Installation depends on the specific product type, such as fuses, surge protective devices, or switches, and is designed to provide electrical protection and circuit safety in various industrial and commercial applications.

What certifications and standards do Mersen products comply with?

Mersen products are certified to multiple international standards, including UL (Underwriters Laboratories), CSA (Canadian Standards Association), CCC (China Compulsory Certification), and EAC (Eurasian Conformity). Our products meet rigorous safety and performance standards for industrial applications across North America, China, Russia, and other global markets, ensuring compliance and reliability in electrical power and advanced materials solutions.

What technical support does Mersen offer?

Mersen provides comprehensive technical support through multiple channels, including technical experts located in your time zone who can assist with product selection, application guidance, and troubleshooting. Their Fuse Control™ program offers a free Fuse Inventory Audit & Analysis, and customers can access technical resources through their sales representatives and online platform ep.mersen.com.