Mersen L201812 - Cylindrical fuse-link gG Size 14x51 IEC 690VAC 12A
Mersen

L201812

Alternate Item Number: FR14GG69V12

Contact for Pricing

Minimum Qty: 10

Multiplier: 10

*Contact for lower quantities*

Overview

The Mersen L201812 is a cylindrical fuse-link designed for robust protection in electrical distribution circuits and industrial applications. This gG type fuse-link operates at 690VAC and has a rated current of 12A, with a high breaking capacity of 120 kA AC. Its ceramic body and silver-plated contacts ensure reliable performance and durability. The 14x51mm size is suitable for various industrial settings where cable, motor, and low-voltage network protection is critical. Mersen's gG fuse-links are engineered to limit and interrupt unacceptable overcurrents and short-circuit currents, effectively protecting electrical equipment and installations from the dynamic effects of high short-currents. This specific model, SKU L201812, is manufactured in France (FR) and adheres to IEC standards. Its power dissipation at rated current is 1.8W, and it weighs 21g. The fuse-link is designed for high reliability and technical performance, making it a dependable choice for safeguarding sensitive electrical systems. Mersen's commitment to quality is evident in the construction and specifications of this fuse-link.
  • Mersen Cylindrical Fuse-Link, SKU L201812
  • Type: gG for cable, motor, and LV network protection
  • Rated Voltage: 690VAC (IEC)
  • Rated Current: 12A
  • Breaking Capacity: 120 kA AC
  • Size: 14x51mm
  • Construction: Ceramic body, silver-plated contacts
  • Country of Origin: FR

Specifications

AC Voltage Rating
690 V
Amperage Rating
12 A
Application
gG type for protection of line, cable against overload and short circuit in various industrial application and electrical distribution circuits.
Body Material
Ceramic
Brand Name
Mersen
Connection
Ferrule
Connection Material
Silver-Plated Copper
Current Rating
12 A
DC Voltage Rating
250 V
Interrupt Rating
120 kA
Material
Ceramic, Silver-plated
Mounting
Clip
Series
GG
Size
2.01 x 0.56 in
Size
51 x 14.3 mm
Size
14X51
Special Features
Reduced size Full range protection Striker version available for remote indication of fuse operation Safest and most reliable protection system
Standard
IEC 60269-1 & -2 Approved by Lloyd's Register of Shipping and Bureau Veritas
Type
IEC Cylindrical Fuse-Links
Voltage Rating
690 VAC
Package Dimensions (L x W x H)
2.01 in x 0.56 in x 0.56 in
Package Dimensions (L x W x H)
51 mm x 14.3 mm x 14.3 mm
Package Weight (Imperial)
0.046 lb
Package Weight (Metric)
0.021 kg
Cylindrical fuse-link aM Size 22x58 IEC 690VAC 12A With Striker

R201311

Cylindrical fuse-link aM Size 22x58 IEC 690VAC 12A With Striker

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.