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Mersen C084205 - Miniature Fuses Size 6.3x32 500V 0.63A High Speed FA Clip Mounting
Mersen

C084205

Alternate Item Number: MI6FA50V0.63


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Specification Sheet

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Overview

Mersen's Miniature Fuse, SKU C084205, is a highly specialized component designed for critical fast-acting (FA) overcurrent and short-circuit protection. With its compact 6.3x32mm size, this fuse is ideal for applications requiring precise protection of sensitive electronic components. It operates at a voltage rating of 500V DC/AC RMS and features a 0.63A current rating, making it suitable for low-power circuits where rapid fault interruption is paramount. The very fast-acting nature of this fuse is crucial for safeguarding components like MOSFETs, IGBTs, and diodes from damage caused by sudden surges or short circuits, thereby preventing thermal runaway. Its application spans across power conversion systems, motor drives, and sensitive instrumentation where component longevity and system reliability are essential. Designed for clip mounting, the C084205 ensures a secure and straightforward installation within compact enclosures, compatible with standard 6.3x32 fuse holders. This fuse is well-suited for industrial control panels, power supplies, and test equipment. The construction utilizes high-quality silver or copper elements, ensuring consistent performance and reliability even under varying temperature conditions and repetitive fault events.
  • Size: 6.3x32mm
  • Voltage Rating: 500V DC/AC RMS
  • Current Rating: 0.63A
  • Type: High Speed Fast Acting (FA)
  • Mounting: Clip Mounting

Specifications

Current Rating
0.63 A
Mounting Type
Clip Mounting
Series
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
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POWR-JAW clamps improve the contact between fuse and clip. The unnecessary heat from poor contact due to the loss of spring force in the clips can cause nuisance fuse opening and premature aging of surrounding components. High temperature phenolic resin knob designed for the most severe environments 7 sizes to provide effective coverage. Simple design makes installation easy.

LCC5

POWR-JAW clamps improve the contact between fuse and clip. The unnecessary heat from poor contact due to the loss of spring force in the clips can cause nuisance fuse opening and premature aging of surrounding components. High temperature phenolic resin knob designed for the most severe environments 7 sizes to provide effective coverage. Simple design makes installation easy.

Frequently Asked Questions

What is the voltage rating of this Mersen fuse?

The Mersen Miniature Fuse C084205 has a voltage rating of 500V DC/AC RMS.

What is the current rating for this fuse?

This Mersen fuse has a current rating of 0.63A.

What type of protection does this fuse provide?

This fuse provides high-speed overcurrent and short-circuit protection, specifically for sensitive electronics like semiconductors.

What are the physical dimensions of this fuse?

The physical dimensions of this Mersen fuse are 6.3x32mm.

How is this fuse mounted?

This fuse is designed for clip mounting, ensuring secure installation in compatible fuse holders.

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.