Mersen HP6M3 Photovoltaic fuse gPV 600VDC UL 3A With Ferrule For Clip
Alternate Item Number: HP6M3
UPC: 782001425043
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Overview
- UL Listed to Standard UL2579 File E333668
- 600VDC rated for PV string protection
- 3A current rating with 10kA DC interrupting rating
- Low minimum breaking capacity (1.35 x In) for PV fault currents
- Ferrule terminals for clip mounting, durable construction
Specifications
Amperage Rating | 3 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 |
Connection Type | Ferrule |
Current Rating | 3 A |
DC Voltage Rating | 600 V |
Fuse Class | Photovoltaic |
Interrupt Rating | 10 kA |
Mounting | Clip |
Mounting Type | Clip |
Series | HelioProtection |
Series | HP6M |
Size | 0.41 x 1.5 in |
Size | 10.414 x 38.1 mm |
Size | 1.5 x 0.41 in |
Size | 38.1 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 |
Standard | UL Listed to Standard UL2579 File E333668 CSA Component Certified C22.2 IEC 60269-6 Approved |
Sub Brand | Helio Protection |
Type | Photovoltaic Fuses UL |
Type | Photovoltaic Fuses |
Voltage Rating | 600 VDC |
Package Dimensions (L x W x H) | 0.41 in x 1.5 in x 1.5 in |
Package Dimensions (L x W x H) | 10.414 mm x 38.1 mm x 38.1 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.Frequently Asked Questions
What is the voltage and amperage rating of the HP6M fuses?
The HP6M fuses are rated for 600VDC and are available in amperages from 1 to 30A.
What is the HP6M fuse series designed for?
The HP6M fuse series is designed for protecting PV string wiring in 600VDC residential and commercial rooftop photovoltaic systems.
What approvals does the HP6M fuse series have?
The HP6M fuses are UL Listed to Standard UL2579, CSA Component Certified C22.2, and IEC 60269-6 Approved.
What is the interrupting rating (IR) for the HP6M fuses?
The interrupting rating (IR) for the HP6M fuses is 10kA I.R. DC.
What are the physical dimensions of the HP6M fuses?
The HP6M fuses are midget size with dimensions of 10x38mm.
What is the minimum breaking capacity (MBC) of the HP6M fuses?
The minimum breaking capacity (MBC) is 1.35 times the fuse rated current value.
What applications are suitable for the HP6M fuse series?
The HP6M fuses are suitable for all photovoltaic applications, PV string/array protection, combiner boxes, in-line PV module protection, inverters, and battery charge controllers.
What are the key features of the HP6M fuse series?
Key features include low fault current interrupting capability, durable construction for system longevity, temperature cycle withstand, and guaranteed operation at temperature extremes.
Does the HP6M fuse series offer indicating and non-indicating options?
Yes, the HP6M series is available in both UltraSafe™ Non-Indicating and UltraSafe™ Indicating versions.
What is the purpose of the enhanced construction in the HP6M fuses?
The enhanced construction makes the HP6M fuses ideal for continuous temperature and current cycling, contributing to system longevity.
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.









