Mersen Z218246 - DIN NH Standard fuse-link gG Size NH0 500VAC 250VDC 50A live tags Double indicator Body width 30 mm
Mersen

Z218246

Alternate Item Number: NH0GG50V50


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Overview

The Mersen Z218246 DIN NH0 fuse-link (SKU: Z218246) is a Type gG full-range breaking capacity fuse designed for low-voltage industrial protection. Rated at 500V AC and 250V DC, this 50A fuse-link provides reliable overcurrent and short-circuit protection for cables and equipment in compliance with IEC standards. The double indicator design allows visual confirmation of fuse status without removal, while live gripping-lugs enable safe handling under load. With a body width of 30mm and power dissipation of 4.1W at rated current, it fits standard NH0 fuse bases and is compatible with Mersen’s NH fuse system components, including pullers and bases. Ideal for protecting industrial machinery, motor circuits, and distribution panels where precise current interruption and high breaking capacity are required. The fuse-link’s gG characteristic ensures it can interrupt any current from the lowest fusing current up to its rated breaking capacity, eliminating the need for additional protective devices in many applications. Manufactured by Mersen in France, this fuse-link meets stringent IEC 60269-1/-2 standards for low-voltage fuses.
  • Type gG full-range breaking capacity fuse-link for cables and equipment protection
  • Rated 500V AC / 250V DC with 50A continuous current rating
  • Double indicator design for visual status confirmation without fuse removal
  • Live gripping-lugs enable safe handling under load conditions
  • Body width 30mm, power dissipation 4.1W at rated current

Specifications

AC Voltage Rating
500 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
DC Voltage Rating
250 V
Interrupt Rating
120 kA
Mounting
Clip
Size
4.92 x 1.18 x 2.4 in
Size
125 x 30 x 61 mm
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
Package Dimensions (L x W x H)
4.92 in x 1.18 in x 2.4 in
Package Dimensions (L x W x H)
125 mm x 30 mm x 61 mm
Package Weight (Imperial)
0.595 lb
Package Weight (Metric)
0.270 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.