--- product_id: 865148 title: "Bussmann FMX-40 MAXI Fuse ('Slow Blow' Female - 40 A (Green)), 1 Pack,Black" brand: "bussmann" price: "$22.21" currency: USD in_stock: true reviews_count: 8 category: "Bussmann" url: https://www.desertcart.us/products/865148-bussmann-fmx-40-maxi-fuse-slow-blow-female-40-green store_origin: US region: United States of America --- # 40 Amp high-current protection Green color-coded for instant amp ID Viewing window for quick fuse status check Bussmann FMX-40 MAXI Fuse ('Slow Blow' Female - 40 A (Green)), 1 Pack,Black **Brand:** bussmann **Price:** $22.21 **Availability:** ✅ In Stock ## Summary > 🛡️ Power up with confidence—Bussmann FMX-40 keeps your circuits safe and your gear unstoppable! ## Quick Answers - **What is this?** Bussmann FMX-40 MAXI Fuse ('Slow Blow' Female - 40 A (Green)), 1 Pack,Black by bussmann - **How much does it cost?** $22.21 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/865148-bussmann-fmx-40-maxi-fuse-slow-blow-female-40-green) ## Best For - bussmann enthusiasts ## Why This Product - Trusted bussmann brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Trusted Legacy:** Backed by 100+ years of Bussmann innovation and UL recognition for unmatched reliability. - • **Seamless OEM Fit:** Meets or exceeds OEM and SAE standards for hassle-free, professional-grade circuit protection. - • **Compact Powerhouse:** High amp protection in a sleek 1.06-inch package fits tight spaces effortlessly. - • **Instant Visual Check:** Transparent viewing window lets you verify fuse health at a glance—no guesswork needed. - • **Color-Coded Confidence:** Industry-standard green coding ensures you always grab the right 40A fuse, first time. ## Overview The Bussmann FMX-40 MAXI Fuse is a UL-recognized, 40 Amp 'Slow Blow' female fuse designed for high amp protection in a compact 1.06-inch form factor. Featuring industry-standard green color coding and a convenient viewing window, it allows quick fuse status verification. Engineered to meet or exceed OEM and SAE standards, this fuse is a trusted choice backed by over 100 years of Bussmann’s innovation in circuit protection. ## Description Bussmann FMX Series 'Slow Blow' Female MAXI Fuses meet the demand for high amp protection in a compact (1.06 inches tall) package. Industry standard color-coding indicates amp rating. Convenient viewing window allows visual identification of fuse status. UL recognized Bussmann FMX fuses meet or exceed OEM and SAE standards. 40 Amp (Green), 32 Vdc. Sold individually. It's been 100 years since the Bussmann brothers first started producing fuses from the basement of their home. And in that time span, Bussmann has grown from providing fuses for horseless carriages and World War II aircraft, to offering more than 30,000 products. From humble beginnings in St. Louis, Missouri, to a global product and distribution network, the Bussmann name is synonymous with technological innovation. In fact, over the past 100 years, Bussmann products have received more than 3,000 utility and design patents, with more than 350 global active patents. Today, Bussmann products continue to reflect a long-standing tradition of providing fusible circuit protection and electrical safety solutions that help protect equipment and enable reliable, efficient power distribution. And now that Bussmann products are part of Eaton, the industry's top innovators of fuse technology and circuit breakers have united to provide ultimate leadership in circuit protection. Our legacy of developing innovative products and solutions stems from a team of highly talented industry experts. We couldn't have secured our position as a leader in circuit protection without our employees, our customers, and our community. Review: Shipped fast and works perfectly - This is what I needed to restore the heat in my truck. The price was reasonable and a lot less than the cost to drive into town using B-ide-N gas! All was positive with this seller and would buy from seller again. Review: Fuses - The right fuse I needed to replace the burnt out one ## Features - FMX Series 'Slow Blow' Female MAXI Fuse - 40 Amp (Green), 32 Vdc - Meets the demand for high amp protection in a compact (1.06 inches tall) package - Industry standard color-coding indicates amp rating; includes viewing window to verify fuse status - UL recognized Bussmann FMX fuses meet or exceed OEM and SAE standards - Sold individually ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B000CF7CVI | | Best Sellers Rank | #547,052 in Automotive ( See Top 100 in Automotive ) #896 in Automotive Fuses #1,900 in Fuses | | Brand Name | Bussmann | | Color | Black | | Customer Reviews | 4.6 4.6 out of 5 stars (275) | | Global Trade Identification Number | 00051712592796 | | Included Components | FMX - FEMALE MAXI FUSE - 40 AMP | | Item Dimensions | 4.19 x 1.69 x 1.38 inches | | Item Type Name | 40 Amp Fuse | | Item Weight | 0.03 Pounds | | Manufacturer | Bussmann | | Material Type | Plastic | | Maximum Current | 40 Amps | | Model | FMX-40 | | Mounting Type | Through-Hole Mount | | Specification Met | Oem, Sae | | UPC | 051712592796 | | Unit Count | 1.0 Count | | Voltage | 32 Volts | | Warranty Description | Please contact us if you experience any issues within 30 days of receipt. | ## Product Details - **AC Adapter Current:** 40 Amps - **Brand:** Bussmann - **Item dimensions L x W x H:** 4.19 x 1.69 x 1.38 inches - **Material:** Plastic - **Voltage:** 32 Volts ## Images ![Bussmann FMX-40 MAXI Fuse ('Slow Blow' Female - 40 A (Green)), 1 Pack,Black - Image 1](https://m.media-amazon.com/images/I/61x3f++8LWL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Shipped fast and works perfectly *by L***I on December 12, 2023* This is what I needed to restore the heat in my truck. The price was reasonable and a lot less than the cost to drive into town using B-ide-N gas! All was positive with this seller and would buy from seller again. ### ⭐⭐⭐⭐⭐ Fuses *by K***. on November 10, 2022* The right fuse I needed to replace the burnt out one ### ⭐⭐⭐⭐⭐ Arrived quickly when needed *by E***F on October 17, 2021* Arrived very quickly. Just what I needed when fan in car wouldn’t stop running. Thanks for the rescue ## Frequently Bought Together - Bussmann FMX-40 MAXI Fuse ('Slow Blow' Female - 40 A (Green)), 1 Pack,Black - Bussmann FMX-30 MAXI Fuse ('Slow Blow' Female - 30 A (Pink)), 1 Pack - Bussmann FMX-50 MAXI Fuse ('Slow Blow' Female - 50 A (Red)), 1 Pack, Black --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/865148-bussmann-fmx-40-maxi-fuse-slow-blow-female-40-green](https://www.desertcart.us/products/865148-bussmann-fmx-40-maxi-fuse-slow-blow-female-40-green) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-19*