Mersen L1048672 - Photovoltaic fuse gPV 1250VDC IEC 1250VDC UL Size 1XL 160A With DIN Type Blades For Direct Mount
Mersen

L1048672

Alternate Item Number: HP12NH1LGPV160B

Contact for Pricing

Overview

The Mersen L1048672 (SKU: L1048672) is a gPV class photovoltaic fuse engineered for direct mounting applications within 1250VDC solar power systems. This fuse rigorously adheres to both IEC 60269-6 and UL 2579 standards, providing robust and dependable protection for critical PV string circuits and combiner boxes. It boasts a substantial 160A current rating and a 1250VDC voltage rating, ensuring it can handle the demands of high-power solar installations. The fuse is equipped with DIN type blades, specifically designed for seamless compatibility with NH fuse bases in Size 1XL configurations. The Mersen L1048672 offers a significant 10kA interrupting rating (IR) at 1000VDC, and a 65kA interrupting rating at 600VAC, further underscoring its suitability for demanding electrical environments. Energy efficiency is a key feature, with a power dissipation of 23W at its nominal current (In) and a reduced 9.6W at 0.7xIn, thereby minimizing energy loss within the system. The direct mounting design of the Mersen L1048672 significantly simplifies the installation process, reducing labor and potential points of failure. This fuse is an ideal choice for utility-scale and commercial solar applications, delivering essential and reliable protection for PV string circuits, combiner boxes, and inverters. Manufacturer: Mersen. UNSPSC Code: 39121606. Country of Origin: US.
  • 160A Current Rating
  • 1250VDC Voltage Rating
  • gPV Class Photovoltaic Fuse
  • DIN Type Blades for Direct Mount
  • IEC 60269-6 and UL 2579 Compliant

Specifications

Amperage Rating
160 A
Application
All photovoltaic applications Inverter DC input protection Re-combiner applications (sub combiner, array combiner, master combiner)
Brand Name
Mersen
Connection
DIN Type Blades
Connection Material
Silver-Plated Copper
Connection Type
DIN Type Blades for Direct Mount
Connection Type
DIN Type Blades
Current Rating
160 A
DC Voltage Rating
1250 V
Mounting
Direct Mount
Mounting Type
Direct Mount
Series
HelioProtection HP12NH
Series
HP12NH
Size
1XL
Size
6.7 x 1.56 x 2.07 in
Size
170.3 x 39.5 x 52.5 mm
Special Features
Global acceptance Low fault current interrupting capability Temperature cycle withstand capability Durable construction for enhanced system longevity High efficiency with low power losses Available in 3 versions: plain blade, direct mounted, direct mounted with striker
Standard
IEC 60269-6 UL 2579 RoHS compliance
Sub Brand
HelioProtection®
Type
Photovoltaic Fuses
Voltage Rating
1250VDC
Package Dimensions (L x W x H)
6.7 in x 1.56 in x 2.07 in
Package Dimensions (L x W x H)
170.3 mm x 39.5 mm x 52.5 mm
Fuse Block 600VAC 600VDC Class CC 30A 1/4in Quick Connect / Solder 90 angle screw Knob Panel Mount

GPM-SRR90

Fuse Block 600VAC 600VDC Class CC 30A 1/4in Quick Connect / Solder 90 angle screw Knob Panel Mount
Fuse Holder UltraSafe™ 800VAC 1000VDC UL Fuse size 14x51 1-Pole Visual Indicator Microswitch Pressure Plate IP20

C331156

Fuse Holder UltraSafe™ 800VAC 1000VDC UL Fuse size 14x51 1-Pole Visual Indicator Microswitch Pressure Plate IP20
Fuse Block 1500VAC 1500VDC 400A 1-Pole Stud M8

1SCM8

Fuse Block 1500VAC 1500VDC 400A 1-Pole Stud M8
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 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.