Mersen W090800 - Miniature Fuses Size 6.3x32 220V 3.15A Super slow (TT) HA 25 Clip Mounting
Mersen

W090800

Alternate Item Number: MI6HA25T13V3.15


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Specification Sheet

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Overview

The Mersen W090800 is a miniature fuse designed for reliable overcurrent protection in electrical and electronic systems. Featuring a 6.3x32mm form factor, this fuse is rated for 220V and a current of 3.15A. Its key characteristic is the 'Super slow' (TT) time-current curve, designated as HA 25, which provides enhanced protection for sensitive components like semiconductor devices and control apparatus. This super time-lag characteristic allows the fuse to withstand temporary inrush currents and short-term surges without nuisance tripping, while still offering rapid interruption of sustained overcurrents. The HA 25 designation signifies a specific response profile optimized for safeguarding equipment where rapid fault clearing is critical but transient overloads are expected. Designed for clip mounting, the W090800 offers straightforward integration into various control panels and equipment assemblies. Its construction from high-quality materials ensures consistent performance and operational reliability. This fuse is particularly suited for applications where a high breaking capacity is not a primary requirement, focusing instead on precise and dependable protection against overloads and short circuits.
  • Miniature fuse size 6.3x32mm
  • 220V operating voltage
  • 3.15A current rating
  • Super slow (TT) time-current curve (HA 25)
  • Clip mounting for easy installation

Specifications

Current Rating
3.15 A
Mounting Type
Clip Mounting
Series
HA 25
Size
6.3x32
Voltage Rating
220 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

What is the time-current characteristic of this Mersen fuse?

This Mersen fuse features a super slow (TT) time-current characteristic, designated as HA 25. This design allows it to tolerate short-term surges while protecting against overcurrents.

What voltage is this miniature fuse rated for?

This miniature fuse is rated for an operating voltage of 220V.

What is the current rating of the Mersen W090800 fuse?

The Mersen W090800 fuse has a current rating of 3.15A.

How is this fuse mounted?

This fuse is designed for clip mounting, facilitating straightforward installation in various applications.

What type of components does this fuse protect?

This fuse is designed to protect sensitive electronic components, semiconductor devices, and control apparatus from overcurrents.

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.