Mersen F211513 - The D fuse-system is the first generation of screw fuse-system in the german DIN standard. It is still used in many installations. Applications are low voltage ditribution units, where non trained persons are allowed to change the fuse-links. The D fuse range comprises the sizes NDZ, DII, DIII, DIV, DV. The range of applications for D fuse-links is the protection of cables and power lines. They limit and cut-off unacceptable overcurrents and short circuit currents up to their nominal breaking capacity. D fuse-links gG also protect equipments and installations against dynamic effects of high short circuit currents. 500 Volts 50 amps DIII gauge ring .
Mersen

F211513

Alternate Item Number: 4086500008872

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Overview

The Mersen DIII fuse-link (SKU: F211513) is a critical component for low-voltage distribution units, adhering to the German DIN standard. As part of the first generation of screw fuse-systems, the D fuse range, including sizes NDZ, DII, DIII, DIV, and DV, offers reliable overcurrent and short-circuit protection. This specific DIII variant is rated for 500 Volts and 50 Amps, featuring a gauge ring for easy identification and replacement, even by non-trained personnel. Its gG classification ensures protection for cables, power lines, and equipment against unacceptable overcurrents and the dynamic effects of high short-circuit currents up to its nominal breaking capacity. Designed for applications where safety and simplicity in fuse replacement are paramount, the Mersen DIII fuse-link is ideal for industrial and commercial low-voltage distribution units, switchgear, and panelboards. Its robust construction is built to withstand industrial environments. The DIN-standardized screw-type mounting ensures straightforward installation and compatibility with existing DIN rail systems, minimizing downtime. Mersen's commitment to quality and standards compliance makes this fuse-link a trusted choice for ensuring consistent protection and regulatory adherence in various sectors, including manufacturing, data centers, and infrastructure. Key specifications include a rated voltage of 500V AC and a rated current of 50A. The DIII gauge ring is designed for use with appropriate fuse bases and systems that support the DIN standard. This fuse-link is a cost-effective solution that balances performance with safety, making it suitable for both new installations and retrofits requiring dependable circuit protection.
  • Mersen DIII fuse-link, SKU F211513
  • DIN Standard Screw Fuse System
  • Rated 500 Volts, 50 Amps
  • gG classification for overcurrent and short-circuit protection
  • Suitable for low voltage distribution units with non-trained personnel replacement

Specifications

Application
protection of cables and power lines
Brand Name
Ferraz Shawmut
Standard
DIN VDE 0636-301
Type
DIN LV Fuse-Links D
Voltage Rating
500 VAC
Package Dimensions (L x W x H)
1.75 IN x 1.75 IN x 0.69 IN
Package Dimensions (L x W x H)
4.445 cm x 4.445 cm x 17.526 mm
Package Weight (Imperial)
0.012 L
Package Weight (Metric)
0.005 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.