Mersen Z078912 - Miniature Fuses Size 6.3x32 400V 2.5A Medium time-lag SA Clip Mounting
Mersen

Z078912

Alternate Item Number: MI6SA40V2.5


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Specification Sheet

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Minimum Qty: 50

Multiplier: 50

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Overview

Mersen Z078912 Miniature Fuses, sized at 6.3x32mm, offer essential overcurrent protection for sensitive electronic and electrical systems. Rated for 400V and 2.5A, these fuses feature a medium time-lag (SA) characteristic. This specific time-lag profile is crucial for safeguarding semiconductor devices and control apparatus by allowing for momentary inrush currents without nuisance tripping, while still providing rapid protection against sustained overloads and short circuits. The SA designation indicates a fuse designed to withstand short-duration surges common in power electronics and motor control circuits. Designed for clip mounting, these Mersen fuses ensure straightforward installation and reliable electrical contact. Their compact form factor makes them suitable for space-constrained applications. The very high breaking capacity inherent in this fuse series is a critical specification, enabling them to safely interrupt fault currents and prevent damage to downstream equipment, thereby enhancing overall system reliability and operational safety. Available with or without a trip indicator, these fuses provide visual confirmation of a blown condition, aiding in troubleshooting and maintenance. The UNSPSC code for this product is 39121628.
  • Mersen Miniature Fuse, SKU Z078912
  • Size: 6.3x32mm
  • Voltage Rating: 400V
  • Current Rating: 2.5A
  • Time-Lag Characteristic: Medium (SA)

Specifications

Current Rating
2.5 A
Material
High-quality materials
Mounting Type
Clip Mounting
Series
SA
Size
6.3x32
Voltage Rating
400 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 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.