Mersen Z1028283 - Photovoltaic fuse gPV 1000VDC IEC 1000VDC UL Size NH1 50A With Plain Blades For Clip
Mersen

Z1028283

Alternate Item Number: HP10NH1GPV50

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Overview

Mersen HP10NH1GPV50 is a photovoltaic (PV) fuse engineered specifically for 1000VDC systems, offering reliable short-circuit protection in PV arrays. This gPV-type fuse complies with both IEC 60269-6 and UL 2579 standards, ensuring global acceptance for use in combiner boxes, inverters, and battery charge controllers. The NH1 size fuse features plain blades for clip mounting, with a 50A current rating and 50kA interrupting rating. Designed for low minimum breaking capacity (1.35xIn), it safely interrupts low fault currents typical in PV systems. The fuse's durable construction withstands continuous temperature and current cycling, enhancing system longevity. With power dissipation of 11W at 100% In and 4.6W at 70% In, it maintains high efficiency with minimal energy loss. Available in a compact NH1 size (135x70.8mm), this fuse is ideal for protecting cables in PV group chains and preventing ground or line faults in off-grid and grid-tied systems.
  • 1000VDC voltage rating for high-power PV systems
  • 50A current rating with 50kA interrupting capacity
  • gPV type compliant with IEC 60269-6 and UL 2579 standards
  • Plain blades for clip mounting (bolt-on type blades available)
  • Low power dissipation: 11W at 100% In, 4.6W at 70% In

Specifications

Amperage Rating
50 A
Application
All photovoltaic applications Inverter DC input protection Re-combiner applications (sub combiner, array combiner, master combiner)
Brand Name
Mersen
Connection
Plain Blades
Connection Material
Silver-Plated Copper
DC Voltage Rating
1000 V
Mounting
Clip
Size
5.31 x 1.56 x 2.54 in
Size
135 x 39.5 x 64.5 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 Small footprint Available in two versions: Plain Blade & Direct Mounting
Standard
IEC 60269-6 UL 2579 RoHS compliance
Sub Brand
HelioProtection®
Type
Photovoltaic Fuses
Package Dimensions (L x W x H)
5.31 in x 1.56 in x 2.54 in
Package Dimensions (L x W x H)
135 mm x 39.5 mm x 64.5 mm
Package Weight (Imperial)
0.661 lb
Package Weight (Metric)
0.300 kg
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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.