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Bussmann FMM-25 Maxi Time Delay Fuse 25 Amp Micro Female

Manufacturer

Bussmann

<h3>Bussmann by Eaton: A Century of Circuit Protection Leadership</h3><p>Few names carry as much weight in electrical circuit protection as <strong>Bussmann</strong>. <a href="/1987-bussmann">Bussmann</a>, now operating as a division of Eaton, traces its roots to St. Louis, Missouri, where the Bussmann brothers began crafting fuses from the ground up — eventually supplying protection for horseless carriages and World War II aircraft alike. Today, that legacy spans more than 30,000 products and a global manufacturing footprint, making Bussmann one of the most trusted names in the industry.</p><p>Acquired by Eaton, a multinational power management company with nearly a century of innovation behind it, the Bussmann series has only grown in breadth and engineering depth. Eaton's mission to deliver intelligent power management solutions pairs naturally with Bussmann's long-standing focus on electrical safety and reliability. The result is a product portfolio that serves automotive, marine, RV, commercial, industrial, and alternative energy markets with equal confidence.</p><h3>Automotive &amp; Marine Electrical Protection You Can Rely On</h3><p>At the heart of the Bussmann lineup are its <a href="/1987-bussmann-fuse-2676">Fuses</a> — the first line of defense against damaging overcurrent conditions in any vehicle or vessel. From compact blade-style ATM and ATC fuses to high-amp cartridge and fusible link designs, Bussmann fuses are engineered to meet both OEM specifications and demanding aftermarket performance requirements.</p><p>Protecting those fuses and keeping them accessible is just as important as the fuses themselves. Bussmann's range of <a href="/1987-bussmann-fuse-holder-2688">Fuse Holders</a> — including inline blade holders, modular designs, and DIN rail-mount options — ensures secure, low-resistance connections in everything from daily drivers to off-highway equipment. For those who need to be prepared for unexpected blown fuses on the road or water, Bussmann also offers convenient <a href="/1987-bussmann-fuse-kit-10140">Fuse Kits</a> that bundle a practical assortment of amperage ratings into a single, organized package.</p><p>When a resettable solution is preferred over a one-time fuse, Bussmann's <a href="/1987-bussmann-circuit-breaker-2504">Circuit Breakers</a> deliver. Designed to match the footprint of standard ATM and ATC fuses, these ultra-compact breakers come in Type I (automatic reset), Type II, and Type III configurations, and are built to handle the voltage and current demands of trucks, RVs, ATVs, agricultural machinery, and more.</p><p>For multi-battery applications — common in RVs, marine vessels, and commercial vehicles — Bussmann's <a href="/23501-battery-isolator-bussmann-1987">Battery Isolators</a> provide a solid-state solution to a persistent problem: auxiliary battery drain. Acting as an electrical check valve, these isolators allow accessories to draw from a secondary battery without ever compromising the starting power of the main battery.</p><h3>Why Choose Bussmann?</h3><ul style="list-style:disc"><li>Nearly 100 years of circuit protection expertise and continuous innovation</li><li>Products engineered for automotive, marine, RV, commercial, and industrial environments</li><li>Backed by Eaton's global resources, engineering support, and power management technology</li><li>OEM-matched designs for straightforward replacement and compatibility</li><li>A broad catalog covering everything from miniature blade fuses to heavy-duty battery management</li></ul><p>Whether you're replacing a blown fuse on a weekend project vehicle or building out a complex multi-battery electrical system for a marine application, Bussmann has the circuit protection products — and the century of know-how — to get the job done right.</p>

Part Number

FMM-25
09/17/2036 12:09 AM
Sale Price

$5.09

In Stock (9)

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Product Details

The Bussmann FMM-25 is a 25-amp time delay micro female (Maxi) fuse designed to provide reliable circuit protection in automotive, marine, and powersports applications. This slow-blow fuse features a time delay element that allows temporary surge currents to pass without blowing, making it ideal for circuits with motors, transformers, or other inductive loads that draw higher current during startup.

Key Features:

  • 25 amp current rating with time delay (slow blow) characteristics
  • Micro female (Maxi) fuse design for compact installation
  • White color-coded housing for easy amp rating identification
  • FMM series fuse designed to meet automotive industry standards
  • Reliable overcurrent protection for critical electrical circuits
  • Single fuse per pack

Bussmann fuses are engineered for consistent performance and dependable circuit protection. The time delay feature prevents nuisance blowing during normal current surges while still providing fast protection against short circuits and sustained overload conditions. Compatible with standard micro female (Maxi) fuse holders found in vehicle fuse panels and auxiliary fuse blocks.

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