Mersen K1064587 - Fuse-base for gPV Photovoltaic fuse-links Size NH, 1XL 250A 1-Pole con proteccion contra contactos
Mersen

K1064587

Alternate Item Number: HP15FHNH1XLB


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Specification Sheet

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Overview

The Mersen K1064587 NH GPV fuse-base is a single-pole, 1500VDC-rated fuse holder designed for photovoltaic (PV) applications. This 250A-rated unit features touch-safe protection for NH1XL fuse-links with blade contacts, ensuring operator safety in high-voltage PV systems. The fuse-base is constructed from RoHS-compliant materials and meets IEC and UL standards, providing reliable performance in demanding solar installations. With a power acceptance of 50W and an interrupting rating of 50kA, it is engineered for high-fault current scenarios common in utility-scale and commercial PV systems. The unit supports cable lugs ranging from 25-240 mm² and is secured using M10 terminal screws with a torque of 32Nm. Available in both open and touch-safe designs, the K1064587 is ideal for single-phase PV arrays where space efficiency and safety are critical. Compatible with Mersen gPV fuse-links size 121, this fuse-base is a key component in Mersen's HelioProtection® line, ensuring compliance with 1500VDC PV system requirements.
  • 1500VDC rated for high-voltage PV applications
  • 250A current rating with 50W power acceptance
  • Touch-safe design for operator protection
  • Supports cable lugs 25-240 mm² with M10 screws (32Nm torque)
  • Meets IEC and UL standards, RoHS compliant
  • Interrupting rating: 50kA for high-fault current scenarios
  • Compatible with Mersen gPV fuse-links size 121
  • Single-pole, screw-mount design for space efficiency

Specifications

Amperage Rating
250 A
Application
All photovoltaic applications up to 1500Vdc Inverter DC protection Combiner box applications
Brand Name
Mersen
Connection Type
Screw Connection
Current Rating
250 A
Material
RoHS compliant materials
Mounting
Screw
Number Of Poles
1
Poles
1-pole
Series
NH GPV
Size
3.78 x 2.36 x 10.83 in
Size
96 x 60 x 275 mm
Size
NH1XL
Special Features
Polyamide insulating bases Silver-plated contacts High pressure springs Screw mounting Cover for fuse-base with touch protection
Standard
IEC 60269 UL listed 4248/19 REACH and RoHS compliant
Type
Fuse Bases for Photovoltaic NH Fuses
Voltage Rating
1000 Vdc
Package Dimensions (L x W x H)
3.78 in x 2.36 in x 10.83 in
Package Dimensions (L x W x H)
96 mm x 60 mm x 275 mm
Package Weight (Imperial)
1.323 lb
Package Weight (Metric)
0.600 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.