Mersen S1069079 - DIN NH Standard fuse-link gG Size NH3 500VAC 250VDC 80A live tags Double indicator Body width 52 mm
Mersen

S1069079

Alternate Item Number: NH3GG50V80


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Specification Sheet

Contact for Pricing

Overview

The Mersen NH3 gG fuse-link (SKU: S1069079) is a high-reliability overcurrent protection device designed for industrial low-voltage applications. Rated at 80A, it supports 500VAC and 250VDC, ensuring broad compatibility with various electrical systems. This DIN NH standard fuse-link features a gG (general purpose) classification, providing full-range breaking capacity to protect against both overload and short-circuit currents up to its rated interrupting capacity. Its design includes a double indicator for clear visual status confirmation and live gripping-lugs for enhanced safety during maintenance and operation. The 52mm body width is standard for NH3 fuse bases, facilitating easy integration into existing switchgear and distribution panels. With a power dissipation of 8W at its rated current, it minimizes energy loss. Manufactured by Mersen in France, this fuse-link adheres to IEC standards for NH fuse systems, making it suitable for critical applications in motor control centers, industrial switchgear, and power distribution where reliable protection of cables and equipment is paramount. Designed for installation by qualified professionals.
  • Mersen NH3 gG fuse-link, 80A rating
  • 500VAC / 250VDC operational voltage
  • DIN NH standard, Size NH3, 52mm width
  • Double indicator for clear status indication
  • Live gripping-lugs for safe handling

Specifications

AC Voltage Rating
500 V
Amperage Rating
80 A
Application
gG: general purpose cable and line protection
Body Material
Ceramic
Brand Name
Mersen
Connection
Plain Blades
Connection Material
Silver-Plated Copper
Connection Type
live tags
Current Rating
80 A
DC Voltage Rating
250 V
Interrupt Rating
120 kA
Mounting
Clip
Mounting Type
Plug-in
Series
GG
Size
5.91 x 2.05 x 3.5 in
Size
150 x 52 x 89 mm
Size
NH3
Special Features
Dimensions according to DIN 43 620 parts 1 to 4 Non-isolated gripping lugs Double indicator 0 cadmium
Standard
VDE 0636 Part 201 IEC 60269-1 and -2
Type
IEC NH Fuse-Links
Type Of Indicators
Double indicator
Voltage Rating
500 VAC / 250 VDC
Package Dimensions (L x W x H)
5.91 in x 2.05 in x 3.5 in
Package Dimensions (L x W x H)
150 mm x 52 mm x 89 mm
Package Weight (Imperial)
1.433 lb
Package Weight (Metric)
0.650 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.