Mersen E084207 - Miniature Fuses Size 6.3x32 500V 1.25A High Speed FA Clip Mounting
Mersen

E084207

Alternate Item Number: MI6FA50V1.25


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Specification Sheet

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Overview

Mersen E084207 Miniature Fuses (SKU: E084207) are 6.3x32mm, 500V-rated, 1.25A fast-acting (FA) fuses designed for high-speed overcurrent protection in sensitive electronic circuits. These fuses feature a clip mounting design for secure installation in compact spaces, making them ideal for applications where axial leads are impractical. The FA designation indicates a very fast-acting response time, critical for protecting semiconductor devices such as transistors, diodes, and integrated circuits from transient overcurrents and short circuits. With a high breaking capacity, these fuses prevent catastrophic damage during fault conditions, ensuring system reliability and longevity. The 500V rating allows use in both AC and DC circuits up to this voltage level, while the 1.25A current rating provides precise protection for low-power electronics. These fuses are commonly deployed in power supplies, industrial control systems, telecommunications equipment, and automotive electronics where space constraints and fast fault response are essential. For applications requiring axial lead configurations, Mersen offers alternative versions of this fuse series. The compact 6.3x32mm form factor enables integration into densely packed PCBs or enclosed housings without sacrificing protection performance.
  • Fast-acting (FA) design for semiconductor protection
  • 500V AC/DC rating with 1.25A current rating
  • 6.3x32mm compact size with clip mounting
  • High breaking capacity for fault current interruption
  • Available in axial lead configuration (alternate versions)

Specifications

Current Rating
1.25 A
Material
High-quality materials
Mounting Type
Clip Mounting
Series
Miniature Fuses 6x32 FA
Size
6.3x32
Voltage Rating
500 V V
Package Dimensions (L x W x H)
1.26 in x 0.25 in x 0.25 in
Package Dimensions (L x W x H)
32 mm x 6.3 mm x 6.3 mm
Package Weight (Imperial)
0.0060 lb
Package Weight (Metric)
0.0020 kg

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.