Mersen H084325 - Miniature Fuses Size 6.3x32 125V 25A High Speed FA Clip Mounting
Mersen

H084325

Alternate Item Number: MI6FA12.5V25


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Specification Sheet

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Minimum Qty: 50

Multiplier: 50

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Overview

Mersen Miniature Fuses (SKU: H084325) are 6.3x32mm fast-acting (FA) fuses rated for 125V with a 25A current rating. Designed for high-speed protection, these fuses safeguard sensitive semiconductor devices, measuring instruments, and control apparatus from overcurrent and short circuits. Their very fast-acting response ensures minimal downtime and prevents damage to critical components, making them ideal for applications requiring precise fault detection. The 6.3x32mm miniature size allows installation in compact enclosures, while the clip mounting design simplifies integration into existing systems. These fuses are rated for 125V operation, with compatibility for 250V applications when specified. Built with high-quality materials, they offer a very high breaking capacity to reliably interrupt fault currents and extend system longevity. Available in both clip mounting and axial lead configurations, these fuses are suitable for industrial control panels, power supplies, and electronic instrumentation. The FA designation indicates a response time optimized for protecting semiconductors and other low-energy devices, ensuring rapid disconnection under fault conditions. Mersen’s reputation for reliability in industrial protection solutions makes these fuses a trusted choice for engineers prioritizing precision and durability.
  • Fast-acting (FA) design for semiconductor and control circuit protection
  • 6.3x32mm miniature size with clip mounting for compact installations
  • Rated 125V (250V compatible) at 25A current
  • High breaking capacity for reliable fault interruption
  • Available with axial leads for flexible mounting options

Specifications

Connection Type
clip mounting
Current Rating
25 A
Mounting Type
Clip Mounting
Series
FA
Size
6.3x32
Voltage Rating
125 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.