Mersen A223698 - DIN NH Standard fuse-link gG Size NH000 400VAC 50A isolated tags Double indicator Body width 21mm
Mersen

A223698

Alternate Item Number: NH000GG40V50-1


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Specification Sheet

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Overview

The Mersen A223698 DIN NH000 gG fuse-link is a high-rupturing capacity (HRC) fuse designed for industrial and commercial electrical protection. Rated at 400VAC and 50A, this fuse-link provides full-range breaking capacity (type gG) to protect cables and equipment from overloads and short circuits. With isolated tags and a double indicator, it ensures clear visual status indication and safe handling during replacement. The NH000 size offers a compact 21mm body width, optimized for space-constrained installations while maintaining compliance with IEC 60269 standards. Power dissipation at rated current is 5.2W, well below the maximum allowed by IEC, ensuring minimal heat generation and energy loss. Designed for use in the NH fuse system, this fuse-link integrates with compatible fuse-bases and replacement devices (e.g., LV HRC fuse pullers) for secure, tool-free installation. Ideal for protecting motors, transformers, and distribution panels in industrial setups, the A223698 delivers reliable overcurrent protection with electrodynamic withstand up to its breaking capacity. Manufactured by Mersen (France), this fuse-link is built for durability and long service life in demanding environments.
  • Rated 400VAC, 50A with full-range breaking capacity (type gG)
  • Double indicator and isolated tags for clear status and safe handling
  • Compact NH000 size (21mm body width) for space-efficient installations
  • Power dissipation of 5.2W at rated current (below IEC 60269 limits)
  • Compatible with NH fuse system components (bases, pullers)

Specifications

AC Voltage Rating
400 V
Amperage Rating
50 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
Blade Contact
Current Rating
50 A
Frequency
50 Hz
Interrupt Rating
100 kA
Mounting
Clip
Mounting Type
Plug-in
Series
NH
Size
3.09 x 0.83 x 2.07 in
Size
78.5 x 21 x 52.5 mm
Size
NH000
Special Features
Dimensions according to DIN 43 620 Parts 1 to 4 Isolated metal gripping lugs (SGL) Double indicator Lead free contact blades 0 cadmium
Standard
VDE 0636 Part 201 IEC 60269-1 and -2
Type
IEC NH Fuse-Links
Type Of Indicators
Double indicator
Voltage Rating
400 VAC
Package Dimensions (L x W x H)
3.09 in x 0.83 in x 2.07 in
Package Dimensions (L x W x H)
78.5 mm x 21 mm x 52.5 mm
Package Weight (Imperial)
0.270 lb
Package Weight (Metric)
0.123 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.