Mersen HP15P63CC - Mersen HP15P63CC is a 1500VDC photovoltaic (PV) fuse designed for high-amperage PV circuits. Rated at 63A with a 20x65mm form factor, it handles harsh thermal and cyclical loads in utility-scale PV systems. Features low minimum breaking capacity (1.35xIn) for safe interruption under low fault conditions. Available with Crimp Cap (CC) terminals for solderless wire-to-fuse connections, ideal for inline fuse applications and overmold encapsulation. Part of Mersen’s HelioProtection® line, ensuring reliable protection for off-grid or grid-tied PV systems.
Mersen

HP15P63CC

Alternate Item Number: HP15P63CC

UPC: 782001511029


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Overview

The Mersen HP15P63CC is a specialized 1500VDC photovoltaic (PV) fuse engineered for high-amperage PV circuit protection. This 63A rated fuse, with a compact 20x65mm form factor, is designed to withstand the harsh thermal and cyclical loads characteristic of utility-scale PV systems. Its low minimum breaking capacity of 1.35xIn ensures safe and reliable interruption of fault currents, even under low fault conditions, a critical safety feature for PV installations. Part of Mersen's robust HelioProtection® line, the HP15P63CC provides essential protection for both off-grid and grid-tied PV systems. The 'CC' suffix denotes Crimp Cap terminals, facilitating solderless wire-to-fuse connections. This makes it an ideal choice for inline fuse applications and overmold encapsulation, simplifying installation and enhancing system reliability. Key specifications include: - Voltage Rating: 1500VDC - Amperage Rating: 63A - Form Factor: 20x65mm - Minimum Breaking Capacity: 1.35xIn - Terminal Type: Crimp Cap (CC) for solderless connections - Application Purpose: Special purpose for string protection - Certifications: UL Listed to Standard UL 248-19, CSA Component Certified C22.2, IEC 60269-6 (Note: IEC not applicable for 65A rating), UKCA - Short-Circuit Current Rating (SCCR): 50kA This fuse is suitable for a wide range of photovoltaic applications, including PV string/array level protection, combiner box applications, in-line PV module protection, inverters, and battery charge controllers. Its durable construction ensures enhanced system longevity and guaranteed operation at temperature extremes, making it a dependable component for critical solar energy infrastructure. Manufacturer: Mersen. SKU: HP15P63CC. Country of Origin: US.
  • 1500VDC rated photovoltaic fuse for high-amperage PV circuits.
  • 63A current rating with a 20x65mm form factor.
  • Features Crimp Cap (CC) terminals for solderless inline connections.
  • Low minimum breaking capacity (1.35xIn) for safe fault interruption.
  • UL Listed to Standard UL 248-19, CSA Certified, IEC 60269-6 compliant.

Specifications

Amperage Rating
63 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
Class
Photovoltaic
Connection
Crimp Cap
Connection Material
Tin-Plated Copper
Connection Type
Ferrule Terminal, Crimp Cap Terminal, Wire Crimp Terminal (CC option)
DC Voltage Rating
1500 V
Fuse Class
Photovoltaic
Interrupt Rating
50 kA
Mounting
Crimp
Series
HelioProtection PV Fuse Series
Size
4.46 x 0.89 in
Size
113.284 x 22.606 mm
Size
20x65 mm
Special Features
20A to 65A for higher amperage applications Low fault current interrupting capability Durable construction for enhanced system longevity Temperature and load cycling capability Certified to global standards Recommended fuse holders: HP15FHP80W, HP15FHP80B
Special Features
10A to 65A for higher amperage applications Low fault current interrupting capability Durable construction for enhanced system longevity Temperature and load cycling capability Certified to global standards Recommended fuse holders: HP15FHP80W, HP15FHP80B
Standard
UL Listed to Standard UL 248-19 CSA Component Certified C22.2 IEC 60269-6 UKCA
Type
Photovoltaic Fuses UL
Type
Photovoltaic Fuses
Voltage Rating
1500 VDC
Package Dimensions (L x W x H)
4.46 in x 0.89 in x 0.89 in
Package Dimensions (L x W x H)
113.284 mm x 22.606 mm x 22.606 mm
Package Weight (Imperial)
0.200 lb
Package Weight (Metric)
0.091 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.