--- product_id: 4100264 title: "Fluke 943121 440mA 1000-V Replacement Fuse,White,Small" brand: "fluke" price: "₨9747" currency: LKR in_stock: true category: "Fluke" url: https://www.desertcart.lk/products/4100264-fluke-943121-440ma-1000-v-replacement-fuse-white-small store_origin: LK region: Sri Lanka --- # 440mA Fast-Acting Current 1000V High Voltage Rating CSA Safety Certified Fluke 943121 440mA 1000-V Replacement Fuse,White,Small **Brand:** fluke **Price:** ₨9747 **Availability:** ✅ In Stock ## Summary > ⚡ Stay powered, stay protected — the fuse that means business! ## Quick Answers - **What is this?** Fluke 943121 440mA 1000-V Replacement Fuse,White,Small by fluke - **How much does it cost?** ₨9747 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/4100264-fluke-943121-440ma-1000-v-replacement-fuse-white-small) ## Best For - fluke enthusiasts ## Why This Product - Trusted fluke brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **High Voltage Endurance:** Rated for up to 1000 volts to handle demanding electrical environments. - • **Compact & Durable Design:** Small, lightweight ceramic and plastic cartridge built to last in tough conditions. - • **Trusted Safety Compliance:** CSA-approved to meet rigorous IEC-1010 standards for ultimate protection. - • **Precision Fast-Acting Fuse:** Protect your gear instantly with a 440mA rapid response fuse. - • **Seamless Multimeter Compatibility:** Specifically engineered as a perfect replacement for Fluke digital multimeters. ## Overview The Fluke 943121 is a high-quality, fast-acting 440mA cartridge fuse rated for 1000 volts, designed as a reliable replacement for Fluke digital multimeters. Engineered with CSA certification and rugged materials, it ensures rapid protection against electrical surges in professional industrial and maintenance settings. ## Description Product Description Value-priced, high quality tools - leading the market by ensuring that products are rugged, reliable and reasonably priced. From the Manufacturer Fluke Corporation is the world leader in the manufacture, distribution and service of electronic test tools and software. Since its founding in 1948, Fluke has helped define and grow a unique technology market, providing testing and troubleshooting capabilities that have grown to mission critical status in manufacturing and service industries. From industrial electronic installation, maintenance and service, to precision measurement and quality control, Fluke tools help keep business and industry around the globe up and running. As electrical systems grow more and more complex, spikes, transients, surges, and sudden over voltage events become more common. These can trigger a sequence of events that may lead to serious injury. This is why test equipment must be designed to protect people who work in this high-voltage high-current environment. Fluke digital multimeters have been designed to meet the new IEC-1010 standards. More importantly, they have been approved by CSA as actually making these standards, which means they are designed to protect you against transients in three-phase distribution systems. Now you can stock up on Fluke 943121 440 amp 1000-volt replacement fuses for Fluke digital multimeters. This cartridge fuse has a fast acting blow characteristic, a current rating of 440 milliamp, and a 1000-volt rating. The Fluke 943121 440 milliamp 1000-volt replacement fuse comes one item per package, and are not covered by a warranty. ## Features - Current Rating: 440 ma - Blow Characteristic: Fast Acting - Voltage Rating, VAC: 1000V - Cartridge Fuse - 1 per Pack ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B000VRFKUC | | Best Sellers Rank | #68,990 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #110 in Cartridge Fuses | | Brand Name | Fluke | | Color | White | | Current Rating | 440 Milliamps | | Customer Reviews | 4.7 4.7 out of 5 stars (426) | | Global Trade Identification Number | 00095969089906 | | Included Components | Fluke - Fuse 406X1 375 0 440A 1000V Fast (943121) | | Item Dimensions | 2 x 0.4 x 0.4 inches | | Item Type Name | Tester | | Item Weight | 5 Grams | | Manufacturer | Fluke | | Material Type | Ceramic, Plastic | | Maximum Current | 440 Milliamps | | Model | 943121 | | Mounting Type | Through-Hole Mount | | Part Number | 943121-FLUKE | | Specification Met | CSA | | UPC | 095969089906 631908879780 | | Unit Count | 1.0 Count | | Voltage | 1000 Volts | | Warranty Description | No warranty | ## Product Details - **AC Adapter Current:** 440 Milliamps - **Brand:** Fluke - **Item dimensions L x W x H:** 2 x 0.4 x 0.4 inches - **Material:** Ceramic, Plastic - **Voltage:** 1000 Volts ## Images ![Fluke 943121 440mA 1000-V Replacement Fuse,White,Small - Image 1](https://m.media-amazon.com/images/I/61NG-i28ciL.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - Fluke 943121 440mA 1000-V Replacement Fuse,White,Small - DMM-11A Fast Acting Digital Multi-Meter Fuse 11 Amp 1000 Volt 803293 (2 Pack) QSU - Qytos Appliances New DMM-11AR 11A 1000V Fast Acting Fuse 10 x 38mm --- ## 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.lk/products/4100264-fluke-943121-440ma-1000-v-replacement-fuse-white-small](https://www.desertcart.lk/products/4100264-fluke-943121-440ma-1000-v-replacement-fuse-white-small) --- *Product available on Desertcart Sri Lanka* *Store origin: LK* *Last updated: 2026-07-06*