Mersen AF2-25 - Blade Style Automotive Fuse 32 Volts 25 amps AF2 series.
Mersen

AF2-25

Alternate Item Number: 782001244248

UPC: 782001244248

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Multiplier: 5

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Overview

The Mersen AF2-25 is a critical component for ensuring the integrity and safety of automotive electrical systems. As a blade-style automotive fuse from the reputable AF2 series, this 32-volt, 25-amp unit is engineered to provide robust and reliable overcurrent protection. In the demanding environment of automotive applications, where electrical circuits are subjected to fluctuating loads and potential fault conditions, fuses like the AF2-25 act as the first line of defense against damage to sensitive electronics and wiring harnesses. This fuse's design prioritizes both performance and longevity, making it a trusted choice for engineers and technicians alike. Engineered with precision, the Mersen AF2-25 is built to meet stringent industry standards for automotive fuse performance. Its blade-style configuration ensures compatibility with standard automotive fuse holders, facilitating straightforward installation and replacement. The 25-amp rating is specifically chosen to protect circuits that draw up to this current under normal operating conditions, while providing rapid interruption in the event of a short circuit or overload. This prevents catastrophic failures, reduces the risk of fire, and extends the lifespan of valuable automotive components. The 32-volt rating signifies its suitability for a wide array of modern automotive electrical architectures, which often operate at voltages around 12V or 24V, with some systems utilizing higher nominal voltages or experiencing transient voltage spikes. Key applications for the Mersen AF2-25 include, but are not limited to: * **Power Distribution:** Protecting main power feeds and branch circuits within vehicle electrical systems. * **Accessory Protection:** Safeguarding aftermarket accessories such as audio systems, lighting, and auxiliary power outlets. * **Engine Control Units (ECUs):** Providing essential protection for the complex electronics that manage engine performance. * **Battery Management Systems:** Ensuring the safe operation of components involved in charging and discharging the vehicle's battery. * **Onboard Electronics:** Shielding various electronic modules responsible for comfort, safety, and infotainment systems. Mersen's long-standing expertise in electrical protection solutions underpins the quality and reliability of the AF2-25. When selecting fuses for automotive applications, professionals rely on manufacturers known for their commitment to quality control and product consistency. The AF2-25 exemplifies this commitment, offering dependable performance that automotive manufacturers and aftermarket service providers can trust. Its compact form factor and durable construction are designed to withstand the vibrations, temperature extremes, and environmental factors commonly encountered in vehicles. Choosing the Mersen AF2-25 means investing in the safety and operational continuity of automotive electrical systems, ensuring peace of mind for both the installer and the end-user.
  • Blade-style automotive fuse for standard compatibility.
  • 32 Volt rating suitable for modern automotive electrical systems.
  • 25 Amp current rating for effective overcurrent protection.
  • Designed for reliable circuit protection in demanding automotive environments.
  • Manufactured by Mersen, a trusted leader in electrical protection solutions.

Specifications

Amperage Rating
25 A
Application
Automobiles, trucks and other low voltage applications.
Brand Name
Ferraz Shawmut
Connection
Blade
Current Rating
25 A
Interrupt Rating
1 kA
Mounting
Clip
Series
AF2
Special Features
Fast-Acting
Standard
RoHS Compliant
Type
Automotive Fuse
Type Of Indicators
Clear Body
Voltage Rating
32 VAC
Package Dimensions (L x W x H)
0.68 IN x 0.43 IN x 0.1 IN
Package Dimensions (L x W x H)
17.272 mm x 10.922 mm x 2.54 mm
Package Weight (Imperial)
0.002 L
Package Weight (Metric)
0.001 kg
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POWR-JAW clamps improve the contact between fuse and clip. The unnecessary heat from poor contact due to the loss of spring force in the clips can cause nuisance fuse opening and premature aging of surrounding components. High temperature phenolic resin knob designed for the most severe environments 7 sizes to provide effective coverage. Simple design makes installation easy.

LCC5

POWR-JAW clamps improve the contact between fuse and clip. The unnecessary heat from poor contact due to the loss of spring force in the clips can cause nuisance fuse opening and premature aging of surrounding components. High temperature phenolic resin knob designed for the most severe environments 7 sizes to provide effective coverage. Simple design makes installation easy.
9F61 Size B Clips 1.6in

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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.