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Mersen HP15P45CC - The Mersen HP15P45CC is a 1500VDC photovoltaic (PV) fuse designed for high amperage PV circuits. This 20x65mm fuse series handles demanding cyclical loads and thermal conditions. It features a low minimum breaking capacity of 1.35 times the rated current for safe interruption of typical low fault currents. The 'CC' option provides Crimp Cap terminals for solderless, overmold-encapsulated wire-to-fuse connections, ideal for in-line PV module protection. Protect your grid-tied or off-grid PV systems from unexpected line faults with Mersen's HelioProtection® fuse line. SKU: HP15P45CC. Manufacturer: Mersen. Country of Origin: US.
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Mersen HP15P45CC The Mersen HP15P45CC is a 1500VDC photovoltaic (PV) fuse designed for high amperage PV…

Alternate Item Number: HP15P45CC

UPC: 782001505653


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Overview

The Mersen HP15P45CC is a 1500VDC photovoltaic (PV) fuse engineered for high-amperage PV circuits requiring reliable string protection. Rated at 45A with a 20x65mm form factor, this fuse is designed to handle demanding cyclical loads and thermal conditions typical in PV systems. It features a low minimum breaking capacity (MBC) of 1.35 times the rated current, enabling safe interruption of low fault currents common in ground fault scenarios. The 'CC' option includes Crimp Cap terminals for solderless, overmold-encapsulated wire-to-fuse connections, ensuring secure and durable in-line PV module protection. This fuse is UL Listed to UL2579 and compliant with IEC 60269-6, making it suitable for grid-tied or off-grid PV systems. Applications include PV string/array protection, combiner boxes, in-line PV module protection, inverters, and battery charge controllers. The HP15P45CC is part of Mersen's HelioProtection® fuse line, optimized for continuous temperature and current cycling to enhance system longevity. Its Crimp Cap terminals eliminate the need for soldering, reducing installation time and improving reliability in harsh PV environments. The fuse’s compact 20x65mm size allows for efficient space utilization in PV combiner boxes and string monitoring systems. With a maximum interrupting rating of 10kA at 1500VDC, it provides robust protection against overcurrent conditions in high-voltage DC circuits. The HP15P45CC is manufactured in the US, ensuring high-quality production standards. Recommended fuse holder: US15P1HEL. Country of Origin: US. SKU: HP15P45CC. Manufacturer: Mersen.
  • 1500VDC rated for high-voltage PV systems
  • 45A current rating with 20x65mm dimensions
  • Low MBC of 1.35x rated current for safe low fault interruption
  • Crimp Cap terminals for solderless, overmold-encapsulated connections
  • UL2579 & IEC 60269-6 compliant for global acceptance

Specifications

Amperage Rating
45 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
Crimp Cap
Connection Material
Tin-Plated Copper
Connection Type
Crimp Cap Terminals
Current Rating
45 A
DC Voltage Rating
1500 V
Fuse Class
Photovoltaic
Interrupt Rating
50 kA
Mounting
Crimp
Series
HP15P
Size
4.46 x 0.89 in
Size
113.284 x 22.606 mm
Size
20x65mm
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
Sub Brand
HelioProtection®
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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Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20

E1062696

Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20
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.

LCC5

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.
9F61 Size B Clips 1.6in

9F61BWW460

9F61 Size B Clips 1.6in

Frequently Asked Questions

What is the voltage rating for these photovoltaic fuses?

These photovoltaic fuses are rated for 1500VDC.

What is the amperage range for the HP15P fuse series?

The HP15P fuse series is available in amperage ratings from 10A to 65A.

What is the short-circuit current rating (SCCR) for these fuses?

The Short-Circuit Current Rating (SCCR) for these fuses is 50kA.

What are the physical dimensions of these fuses?

These fuses have a 20x65mm form factor.

What applications are these fuses designed for?

These fuses are designed for photovoltaic applications, including string/array protection, combiner boxes, and in-line module protection.

What is the purpose of the Crimp Cap terminals (CC option)?

The Crimp Cap terminals allow for solderless wire-to-fuse connection for overmold encapsulation of fuse and wiring.

What are the recommended fuse holders for this series?

The recommended fuse holders are HP15FHP80W and HP15FHP80B.

What standards are these fuses certified to?

These fuses are certified to UL Listed to Standard UL 248-19, CSA Component Certified C22.2, IEC 60269-6, and UKCA.

What is the low minimum breaking capacity of these fuses?

These fuses have a low minimum breaking capacity of 1.35 times the fuse rated current value.

What wire gauges are compatible with the CC terminal option?

The CC terminal option is compatible with 10-12 AWG wire for lower amperages and 6-8 AWG wire for higher amperages.

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.