Mersen B079029 - Miniature Fuses Size 6.3x32 250V 0.63A Fast (F) HA 37 Clip Mounting
Mersen

B079029

Alternate Item Number: MI6HA37F25V0.63


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Overview

Mersen SKU B079029 is a miniature fuse meticulously engineered to provide precise overcurrent protection. This fuse measures 6.3x32mm and is rated for operation at 250V, with a specific current rating of 0.63A. The designation HA 37 within its series identifies its fast-acting (F) interruption characteristic. This fast-acting capability is paramount for effectively safeguarding sensitive electronic components and semiconductor devices from the detrimental effects of rapid surges and short circuits. The fuse's compact 6.3x32mm physical dimensions make it an excellent choice for applications where space is a critical constraint. Engineered for clip mounting, this fuse facilitates a secure and uncomplicated installation process within various electrical assemblies. The Mersen HA 37 series is recognized for delivering dependable performance, characterized by a high breaking capacity. This high breaking capacity is essential in preventing damage to downstream equipment, thereby contributing to enhanced overall system reliability. This particular fuse serves as a direct and effective replacement for applications that necessitate fast-acting protection at a 250V rating and a 0.63A current level. Key specifications for Mersen SKU B079029 include: Voltage Rating: 250V, Current Rating: 0.63A, Fuse Size: 6.3x32mm, Mounting Type: Clip Mounting, and Series Designation: HA 37.
  • Fast-acting (F) interruption for sensitive component protection
  • 250V voltage rating suitable for various electronic circuits
  • 0.63A current rating for precise overcurrent control
  • Compact 6.3x32mm size for space-efficient designs
  • Secure clip mounting for easy installation

Specifications

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.