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Mersen M1069097 - Photovoltaic fuse gR 800VAC IEC Size NH1 125A With DIN Type Blades For Clip
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Mersen M1069097 Photovoltaic fuse gR 800VAC IEC Size NH1 125A With DIN Type Blades For Clip

Alternate Item Number: NH1GR80V125B


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Specification Sheet

Contact for Pricing

Minimum Qty: 3

Multiplier: 3

*Contact for lower quantities*

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The Mersen M1069097 is a gR class photovoltaic fuse-link engineered for high-voltage solar applications. Designed for compatibility with standard NH1 fuse holders and switch-disconnectors, it features DIN type blades for secure mounting. The fuse-link operates reliably across a wide temperature range (-40°C to +70°C) and is optimized for photovoltaic systems, including DC/AC inverters. Mersen offers complementary 800VAC fuse-switch-disconnectors for complete system protection.
  • Rated 800VAC, 125A, IEC size NH1 with DIN type blades
  • Operating temperature range: -40°C to +70°C
  • Compatible with standard NH1 fuse holders and switch-disconnectors

Specifications

AC Voltage Rating
800 V
Amperage Rating
125 A
Application
General purpose cable and line protection at 800VAC Solar installation AC combiner box
Brand Name
Mersen
Connection
DIN Type Blades
Connection Material
Silver-Plated Copper
Connection Type
DIN Blades
Connection Type
DIN Type Blades For Clip
Current Rating
125 A
Current Rating
125A
Mounting
Clip
Series
M1069097
Size
NH1
Size
5.31 x 1.56 x 2.07 in
Size
135 x 39.5 x 52.5 mm
Special Features
Low fault current interrupting capability Temperature cycle withstand capability Durable construction for enhanced system longevity High efficiency with low power losses Available in two versions: Plain Blade & Direct Mounting
Standard
IEC 60269-4 RoHS compliance UL Recognized components: UL 248-13, UL 248-1
Sub Brand
HelioProtection®
Type
Photovoltaic Fuses
Voltage Rating
800 VAC / 1000 VDC
Voltage Rating
800VAC
Package Dimensions (L x W x H)
5.31 in x 1.56 in x 2.07 in
Package Dimensions (L x W x H)
135 mm x 39.5 mm x 52.5 mm
Package Weight (Imperial)
0.882 lb
Package Weight (Metric)
0.400 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.

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.

Frequently Asked Questions

What are the power dissipation values?

Power dissipation is 7.4W at 100% In and 18W at 0.7xIn.

What is the fuse size?

The fuse size is NH1 with DIN type blades.

What is the nominal current rating?

The nominal current rating is 125A.

What is the voltage rating of this fuse?

The fuse is rated for 800VAC and 1000 VDC.

What is the breaking capacity of the M1069097?

The breaking capacity is 50 kA.

What is the operating temperature range?

The fuse operates reliably from -40°C to +70°C.

Is this fuse compatible with NH1 fuse holders?

Yes, it is designed for IEC size NH1 fuse holders and switch-disconnectors.

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.