Mersen HP15M4R - Photovoltaic fuse gPV 1500VDC IEC 1500VDC UL Size 10x85 4A With Ferrule For Clip
Mersen

HP15M4R

Alternate Item Number: HP15M4R

UPC: 782001504366


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Overview

The Mersen HP15M4R is a 1500VDC photovoltaic fuse, specifically engineered for the protection of PV string wiring in utility-scale solar systems. This 4A fuse, with a 10x85mm midget size and standard ferrule terminal, is designed to meet the rigorous demands of continuous temperature and current cycling inherent in photovoltaic applications. Its robust construction ensures enhanced system longevity and guaranteed operation at temperature extremes. The HP15M series offers low minimum breaking capacity capabilities of 1.35 times the fuse rated current value, ensuring safe circuit interruption under typical low fault current conditions produced by PV arrays. This fuse meets the trend for increased voltage for higher efficiency in solar installations. It boasts a 50kA interrupting rating (SCCR) and is UL Listed to Standard UL2579, with CSA Component Pending and IEC 60269-6 compliance. Applications include all photovoltaic applications, PV string/array level protection, combiner box applications, in-line PV module protection, inverters, and battery charge controllers. For solderless wire-to-fuse connections in overmold encapsulation, Mersen also offers Crimp Cap (CC) terminal options for this series. Protect your off-grid or grid-tied PV system from unexpected line faults with Mersen’s HelioProtection® fuse line. SKU: HP15M4R.
  • 1500VDC rated for high-voltage PV systems
  • 4A current rating for precise protection
  • 10x85mm midget size with standard ferrule terminal
  • 50kA SCCR for robust fault interruption
  • UL Listed to UL2579 for reliable safety

Specifications

Amperage Rating
4 A
Application
All photovoltaic applications PV string/array level protection Combiner box applications In-line PV module protection Inverters Battery charge controllers
Body Material
GMG
Brand Name
Mersen
Class
Photovoltaic
Connection
Ferrule
Connection Material
Tin-Plated Copper
Connection Type
Ferrule for Clip
Current Rating
4 A
DC Voltage Rating
1500 V
Fuse Class
Photovoltaic
Interrupt Rating
50 kA
Mounting
Clip
Series
HP15M
Size
3.34 x 0.41 in
Size
84.836 x 10.414 mm
Size
10x85
Special Features
Low fault current interrupting capability Durable construction for enhanced system longevity Temperature and load cycling capability Certified to global standards Recommended fuse holders: HP15FHM32A, HP15FHM32B, US15M1HEL
Standard
UL Listed to Standard UL 248-19 CSA Component Certified C22.2 IEC 60269-6
Sub Brand
HelioProtection®
Type
Photovoltaic Fuses UL
Type
Photovoltaic Fuses
Voltage Rating
1500 VDC
Package Dimensions (L x W x H)
3.34 in x 0.41 in x 0.41 in
Package Dimensions (L x W x H)
84.836 mm x 10.414 mm x 10.414 mm
Package Weight (Imperial)
0.030 lb
Package Weight (Metric)
0.014 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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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.

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.