--- product_id: 273993891 title: "DMM-44/100 (DMM 44 100) 440mA (0.4A) 1000V Fluke 943121 Digital multimeter replacement Fuse" brand: "bussmann" price: "120.95 DT" currency: TND in_stock: true reviews_count: 5 category: "Bussmann" url: https://www.desertcart.tn/products/273993891-dmm-44-100-dmm-44-100-440ma-0-4a-1000v store_origin: TN region: Tunisia --- # 440mA Fast-Acting Fuse Compact 34.9mm x 10mm Size 1000V High Voltage Rating DMM-44/100 (DMM 44 100) 440mA (0.4A) 1000V Fluke 943121 Digital multimeter replacement Fuse **Brand:** bussmann **Price:** 120.95 DT **Availability:** ✅ In Stock ## Summary > ⚡ Fuse your fears—power up with precision protection! ## Quick Answers - **What is this?** DMM-44/100 (DMM 44 100) 440mA (0.4A) 1000V Fluke 943121 Digital multimeter replacement Fuse by bussmann - **How much does it cost?** 120.95 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/273993891-dmm-44-100-dmm-44-100-440ma-0-4a-1000v) ## 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 Durability:** Constructed with a melamine tube for reliable, long-lasting performance. - • **Precision Protection:** 440mA fast-acting fuse ensures instant circuit safety without delay. - • **Compact & Lightweight:** Slim 34.9mm length and 10mm diameter fits effortlessly in your tool kit. - • **High Voltage Endurance:** Rated for up to 1000V, built to handle demanding multimeter environments. - • **Seamless Compatibility:** Perfect drop-in replacement for Fluke DMMs, including the popular Fluke 189. ## Overview The Bussmann DMM-44/100 is a premium 440mA, 1000V fast-acting fuse designed as a direct replacement for Fluke digital multimeters. Engineered with a durable melamine tube and compact dimensions, it guarantees reliable circuit protection and seamless compatibility, making it the go-to choice for professionals demanding safety and performance. ## Description We will ship part#: DMM-B-44/100, which is the same as DMM-44/100. This FUSE is 440mA, 1000V, FAST ACTING. This fuse is also called/known as Fluke fuse 440mA 1000V, Fluke fuse DMM-44/100, BUSSMANN Fuse DMM 44/100 or BUSSMANN Fuse DMM-B-44/100, or Fluke fuse 943121, Fluke fuse 203411 or Fluke fuse 203414. This fuse is non returnable. Review: Correct replacement part. - Correct replacement part. Why would you risk your safety with a shady knockoff? Review: Excellent for my Fluke 189 - I blew a fuse on my Fluke 189 multimeter, this was a perfect replacement. Same rating as the original, same fuse style, great quality, made by a company that’s been in the fuse business for a long long time. ## Features - 400mA (0.4A) 1000V Fuses, Fast Acting - 1 piece of Digital Multimeter Replacement Fuse per package - Dimension: 34.9 mm (1.375 In.) L x 10 mm (0.406 In.) D - Fluke 943121 - Construction Melamine Tube ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B007HR74X0 | | Best Sellers Rank | #27,519 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #50 in Fuses & Holders | | Brand | Bussmann | | Brand Name | Bussmann | | Color | silver | | Colour | silver | | Compatible Devices | Fluke DMMs, Digital Multimeters | | Customer Reviews | 4.6 out of 5 stars 111 Reviews | | Item Dimensions | 25 x 51 x 25 millimeters | | Item Weight | 0.02 Pounds | | Item dimensions L x W x H | 25 x 51 x 25 millimeters | | Item weight | 0.02 Pounds | | Manufacturer | Bussmann | | Maximum Operating Voltage | 1000 Volts | | Measurement Type | Ammeter | | Model | DMM-B-44/100 | | Part Number | DMM-44/100 or DMM-B-44/100 | | Power Source | Battery Powered | | Power source | Battery Powered | | Specification Met | CE, UL | | Style | Digital | | Style Name | Digital | | UPC | 608729890782 610395592198 608729890959 | | Unit Count | 1 Count | ## Product Details - **Brand:** Bussmann - **Power source:** Battery Powered - **Style:** Digital - **Colour:** silver - **Item weight:** 9 g ## Images ![DMM-44/100 (DMM 44 100) 440mA (0.4A) 1000V Fluke 943121 Digital multimeter replacement Fuse - Image 1](https://m.media-amazon.com/images/I/61pZUQVMs8L.jpg) ## Questions & Answers **Q: Is the logistics updated in time?** A: This is the standard fuse used in Fluke multimeters. I don't understand your question. **Q: What is the difference between the brown fuse I received and the blue one in my meter and pictured?** A: brown is for a 600v and blue is 1000v to ground according to the bussman fuse website **Q: need set of fuses for fluke 87III does anyone know link on ebay to get the correct ones** A: Yes this is the correct one 440mA and the other one is 11A, both made by Bussman **Q: If dmm-b-44/100 is the same as dmm-44/100, what does the 'b' signify?** A: The fuses have the same specifications. The B signifies RoHS, which means all materials are made with recyclable materials. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Correct replacement part. *by B***W on 29 December 2025* Correct replacement part. Why would you risk your safety with a shady knockoff? ### ⭐⭐⭐⭐⭐ Excellent for my Fluke 189 *by A***G on 23 March 2025* I blew a fuse on my Fluke 189 multimeter, this was a perfect replacement. Same rating as the original, same fuse style, great quality, made by a company that’s been in the fuse business for a long long time. ### ⭐⭐⭐⭐⭐ Fuse *by R***Z on 19 April 2013* Fuse works great with my Fluke meter. It's a shame that it takes a special fuse for that meter and I can not just buy it at the local store ## Frequently Bought Together - Digital Multimeter Fuse 440mA (0.4A) 1000V DMM 44/100 - DMM-11 (DMM-11A, DMM11) 11A 1000V Fluke 803293 Digital Multimeter Replacement Fuse --- ## 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.tn/products/273993891-dmm-44-100-dmm-44-100-440ma-0-4a-1000v](https://www.desertcart.tn/products/273993891-dmm-44-100-dmm-44-100-440ma-0-4a-1000v) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-08-22*