Mersen M093322 - Miniature Fuses Size 5x20 400V 1.25A High Speed FA Clip Mounting
Mersen

M093322

Alternate Item Number: MI5FA40V1.25


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Specification Sheet

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Overview

Mersen's Miniature Fuse, SKU M093322, offers critical overcurrent protection for sensitive electronic circuits. This 5x20mm fuse is rated for 400V and 1.25A, featuring a very fast-acting (FA) interruption characteristic. This design is specifically engineered to safeguard semiconductor devices, such as diodes, transistors, and SCRs, from damaging surges and short circuits. The fast response time minimizes the duration of fault currents, thereby reducing thermal stress on protected components and preventing catastrophic failures. Designed for clip mounting, this fuse facilitates straightforward installation and replacement in various equipment. Its compact form factor ensures it occupies minimal space within control panels and electronic enclosures. The 400V rating makes it suitable for a range of industrial and commercial applications where higher voltage levels are present. The high breaking capacity inherent in this fuse type ensures that it can safely interrupt fault currents without generating excessive arc energy, contributing to overall system safety and reliability. Key Specifications: - Manufacturer: Mersen - SKU: M093322 - Fuse Size: 5x20mm - Voltage Rating: 400V - Current Rating: 1.25A - Protection Type: Very Fast Acting (FA) - Mounting: Clip Mounting
  • Mersen 5x20mm Miniature Fuse
  • 400V Voltage Rating
  • 1.25A Current Rating
  • Very Fast Acting (FA) Protection
  • Clip Mounting Design

Specifications

Package Dimensions (L x W x H)
0.79 in x 0.2 in x 0.2 in
Package Dimensions (L x W x H)
20 mm x 5 mm x 5 mm
Package Weight (Imperial)
0.0030 lb
Package Weight (Metric)
0.0010 kg
EM16D DIODE MODULE

1SNA020265R0400

EM16D DIODE MODULE
SBC Assembly - Field replacement kit

3BUS213621-101

SBC Assembly - Field replacement kit
Streamline Starter Panel Configurator Configuration: 240V, 5HP, fused, start_stop, nema12, floor. This part was added by Streamline Starter Panel Configurator.

SL-SP-240-5HP-F-SS-N12-FL

Streamline Starter Panel Configurator Configuration: 240V, 5HP, fused, start_stop, nema12, floor. This part was added by Streamline Starter Panel Configurator.
Fuse 1/4A 600VAC

18883000008

Fuse 1/4A 600VAC
Fuse, 1 Amp, 250V

K148A133A

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Miniature Fuses Size 6.3x32 250V 20A High Speed FA Clip Mounting

A084318

Miniature Fuses Size 6.3x32 250V 20A High Speed FA 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.