Mersen Q090680 - Miniature Fuses Size 6.3x32 220V 0.25A Super slow (TT) HA 24 Clip Mounting
Mersen

Q090680

Alternate Item Number: MI6HA24T13V0.25


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Overview

The Mersen Q090680 is a miniature fuse designed for reliable overcurrent protection in electrical and electronic systems. Featuring a 6.3x32mm size, this fuse is rated for 220V and a precise 0.25A current. Its key characteristic is the super time-lag (TT) or HA 24 designation, indicating a slow-blow tripping curve. This specific characteristic is crucial for protecting sensitive semiconductor devices and control apparatus that may experience temporary inrush currents or short-term surges during operation. The super slow-blow design allows these transient events to occur without nuisance tripping, thereby ensuring uninterrupted functionality of critical equipment. Conversely, it provides robust protection against sustained overcurrent conditions that could lead to damage or failure. Designed for clip mounting, the Q090680 offers straightforward integration into various control panels and electrical enclosures. The HA 24 rating signifies a specific time-current characteristic, ensuring that the fuse will reliably interrupt fault currents within a defined time frame, safeguarding downstream components. Mersen's commitment to quality materials ensures consistent performance and longevity for this fuse. The low breaking capacity rating, suitable for applications where extremely high fault currents are not anticipated, contributes to system efficiency and cost-effectiveness.
  • Miniature fuse size: 6.3x32mm
  • Voltage rating: 220V
  • Current rating: 0.25A
  • Super slow-blow (TT / HA 24) tripping characteristic
  • 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

What are the physical dimensions of this fuse?

The physical dimensions of this fuse are 6.3x32mm.

What is the voltage rating of the Mersen Q090680 fuse?

The Mersen Q090680 fuse has a voltage rating of 220V.

What is the current rating for this miniature fuse?

This miniature fuse, SKU Q090680, is rated for 0.25A.

What does 'Super slow (TT) HA 24' mean for this fuse?

Super slow (TT) HA 24 indicates a super time-lag tripping characteristic, suitable for protecting sensitive components from temporary surges.

What type of mounting does the Q090680 fuse use?

The Mersen Q090680 fuse is designed for clip mounting.

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.