Mersen X212126J - DIN D0 Fuse-link Neozed gG Size D02 440VAC 250VDC 20A Color code Blue Packaging quantity 10
Mersen

X212126J

Alternate Item Number: D02GG44V20/10


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Specification Sheet

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Minimum Qty: 10

Multiplier: 10

*Contact for lower quantities*

Overview

The Mersen X212126J is a D02 size DIN D0 fuse-link from the Neozed gG range, designed for general application protection in low voltage distribution units. This fuse-link operates at a rated voltage of 440VAC (IEC) and 250VDC (IEC), with a nominal current rating of 20A. Its 'gG' utilization category signifies its suitability for protecting cables, power lines, equipment, and installations against overcurrents and short-circuit currents, including the dynamic effects of high short-circuit currents. The fuse-link features a blue color code for easy identification. It is packaged in quantities of 10 units. The D0 fuse-system, to which this fuse-link belongs, is a modern screw system suitable for 400VAC/250VDC networks and is designed for accessibility and replacement by non-trained persons in distribution units. The D0 range includes standardized sizes D01, D02, and D03. This specific model, D02GG44V20, has a power dissipation of 2W at its nominal current and a weight of 12.6g per unit. It is manufactured by Mersen, a trusted name in electrical protection solutions. Ensure proper fuse-base compatibility for optimal performance and safety.
  • Mersen D02 DIN D0 Fuse-link, SKU X212126J
  • Rated for 440VAC (IEC) and 250VDC (IEC)
  • 20A Nominal Current Rating
  • gG Utilization Category for general application protection
  • Blue color code for easy identification, packaged in 10s

Specifications

AC Voltage Rating
440 V
Amperage Rating
20 A
Application
House incoming units Meter distribution units Distribution cabinets Installation cabinets Fuse boxes
Body Material
Ceramic
Brand Name
Mersen
DC Voltage Rating
250 V
Interrupt Rating
50 kA
Mounting
Clip
Size
1.42 x 0.59 in
Size
36 x 15 mm
Special Features
Insulated body suitable for high mechanical and thermal impacts Top and bottom contacts made of nickel plated or silver plated copper alloy Safe cut-off short circuits and over currents due to special design of fuse element Clear indication of operation condition due to coloured indicator un top contact Low power dissipation Optimized size Resistant to aging
Standard
DIN VDE 0636-3
Sub Brand
Neozed®
Type
DIN LV Fuse-Links D0
Package Dimensions (L x W x H)
1.42 in x 0.59 in x 0.59 in
Package Dimensions (L x W x H)
36 mm x 15 mm x 15 mm
Package Weight (Imperial)
0.028 lb
Package Weight (Metric)
0.013 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.