--- product_id: 266441876 title: "haisstronica 330PCS Heat Shrink Butt Connectors-Waterproof Electrical Wire Connectors-Insulated Crimp Connectors Butt Splice for Watercraft, Electrical,Electronics,Automotive (4 Colours / 4 Sizes)" brand: "haisstronica" price: "€ 82.34" currency: EUR in_stock: true reviews_count: 5 category: "Haisstronica" url: https://www.desertcart.hr/products/266441876-haisstronica-330pcs-heat-shrink-butt-connectors-waterproof-electrical-wire-connectors store_origin: HR region: Croatia --- # Waterproof seal with hot melt adhesive Heat shrink tubing with 3:1 shrink ratio 330PCS assorted sizes/colors haisstronica 330PCS Heat Shrink Butt Connectors-Waterproof Electrical Wire Connectors-Insulated Crimp Connectors Butt Splice for Watercraft, Electrical,Electronics,Automotive (4 Colours / 4 Sizes) **Brand:** haisstronica **Price:** € 82.34 **Availability:** ✅ In Stock ## Summary > 🔥 Seal the deal with every crimp — connect like a pro! 🔧 ## Quick Answers - **What is this?** haisstronica 330PCS Heat Shrink Butt Connectors-Waterproof Electrical Wire Connectors-Insulated Crimp Connectors Butt Splice for Watercraft, Electrical,Electronics,Automotive (4 Colours / 4 Sizes) by haisstronica - **How much does it cost?** € 82.34 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/266441876-haisstronica-330pcs-heat-shrink-butt-connectors-waterproof-electrical-wire-connectors) ## Best For - haisstronica enthusiasts ## Why This Product - Trusted haisstronica brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Premium Copper Core:** Thicker copper core ensures safer, more reliable electrical connections every time - • **Complete Connector Kit:** 330 pieces covering AWG 22-10 in 4 vibrant colors for instant size recognition - • **Advanced Heat Shrink Tech:** 3:1 shrink ratio tubing with flame-retardant, high tensile strength for durable, damage-resistant crimps - • **Waterproof & Weatherproof:** Hot melt adhesive inner lining guarantees a secure, waterproof seal—perfect for marine and automotive use - • **Certified Quality Assurance:** Meets ROHS, ISO 9001, SGS, and CE standards for professional-grade performance and peace of mind ## Overview The Haisstronica 330PCS Heat Shrink Butt Connectors kit offers a comprehensive, professional-grade solution for electrical splicing. Featuring a thick copper core and high-quality polyolefin heat shrink tubing with a 3:1 shrink ratio, these connectors provide waterproof, flame-retardant, and mechanically robust crimps. Color-coded and sized for quick identification, this kit meets all major international standards, making it ideal for automotive, marine, and home electrical projects. ## Description Haisstronica 330Pcs Haisstronica Heat Shrink Butt Connectors-Waterproof Electrical Wire Connectors-Insulated Automotive Butt Connectors, Butt Splice (4 Colors / 4 Sizes) Large White,Red,Blue,Yellow. Review: Just as good quality as sold at most stores for a really decent price. Review: Il vaut mieux bien insister pour sertir sinon ça ne tient pas. ## Features - COMPLIANT WITH ALL RELEVANT STANDARDS:With Haisstronica 330PCS( A.W.G.:22-16 150 PCS,16-14 100 PCS,12-10 32 PCS,26-24 48 PCS) heat shrink waterproof wire connectors are compliant with ROHS, ISO 9001:2008, SGS, and CE standards - HIGH-QUALITY COPPER CORE:Heat shrink butt connectors use a copper core with a higher thickness rating.This makes your connection project safer and better meets our customers’ quality needs - HIGH-QUALITY HEAT SHRINK:Translucent heat shrink tubing provides high tensile strength and resistance to stretch and minimize mechanical damage.The thick barrel ensures a strong crimp every time.The inner wall of the heat-shrinkable tube has enough hot melt adhesive to ensure waterproof performance reliability.Your wire will never slip out of these heat shrink wire connectors - RECOGNIZABLE:Tubings of varying colors with easily recognizable wire gauge markings. Simply measure the wiring, and by checking the mark of wire gauge of the polyolefin tubing, then you can quickly choose the right connector - WIDE APPLICATIONS: High quality 3:1 shrinkage tubing has a heat-activated sealant lining to provide complete secure seal. It's flame-retardant, waterproof, and can be used underground. Compliant with all electrical standards, Perfect for marine and automobile applications, whether you are working on your boat, Vehicle, Home or scientific project ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07Q3JJRY8 | | Brand Name | haisstronica | | Color | Red,blue,yellow,white | | Connector Type | Crimp | | Contact Material | Copper | | Customer Reviews | 4.8 4.8 out of 5 stars (4,745) | | Insulation Material Type | Polyolefin | | Item Dimensions L x W x H | 20L x 20W x 20H millimeters | | Manufacturer | haisstronica | | Material Type | Copper | | Model | HS | | Specification Met | CE | | Temperature Rating | 257 degree fahrenheit | | Terminal | Butt Terminal | | UPC | 192687298006 | | Unit Count | 330 Count | ## Product Details - **Colour:** Red,blue,yellow,white - **Connector type:** Crimp - **Contact material:** Copper - **Insulation material:** Polyolefin - **Terminal:** Butt Terminal ## Images ![haisstronica 330PCS Heat Shrink Butt Connectors-Waterproof Electrical Wire Connectors-Insulated Crimp Connectors Butt Splice for Watercraft, Electrical,Electronics,Automotive (4 Colours / 4 Sizes) - Image 1](https://m.media-amazon.com/images/I/61xkbYY5igL.jpg) ![haisstronica 330PCS Heat Shrink Butt Connectors-Waterproof Electrical Wire Connectors-Insulated Crimp Connectors Butt Splice for Watercraft, Electrical,Electronics,Automotive (4 Colours / 4 Sizes) - Image 2](https://m.media-amazon.com/images/I/71BWIbd0exL.jpg) ![haisstronica 330PCS Heat Shrink Butt Connectors-Waterproof Electrical Wire Connectors-Insulated Crimp Connectors Butt Splice for Watercraft, Electrical,Electronics,Automotive (4 Colours / 4 Sizes) - Image 3](https://m.media-amazon.com/images/I/71Z0a26J6oL.jpg) ![haisstronica 330PCS Heat Shrink Butt Connectors-Waterproof Electrical Wire Connectors-Insulated Crimp Connectors Butt Splice for Watercraft, Electrical,Electronics,Automotive (4 Colours / 4 Sizes) - Image 4](https://m.media-amazon.com/images/I/715yK4G6NzL.jpg) ![haisstronica 330PCS Heat Shrink Butt Connectors-Waterproof Electrical Wire Connectors-Insulated Crimp Connectors Butt Splice for Watercraft, Electrical,Electronics,Automotive (4 Colours / 4 Sizes) - Image 5](https://m.media-amazon.com/images/I/715Zcgd4LhS.jpg) ## Questions & Answers **Q: why do you crimp the connector 3x? One for each wire, what is the 3rd?** A: I’m not sure why you have to crimp 3x’s unless their tool is designed that way? I only crimped twice in my engine compartment of my pickup and have had no issues. **Q: Will these work for 10/2 wire at 230V and 20 amps?** A: You should be able to use on 230 volt 20 amp. The yellow should handle 30 amp minimum. Usually if the wires fit in it. It will work **Q: Do you have the Butt connectors that are 12-10 on one end and 16-14 on the other** A: No, they are the same on each end. The colors indicate the size, as well they are labeled. **Q: Can these be submerged? I want to use them for a bilge pump.** A: Yes you can, the discription of the product says they are Marine Grade Waterproof Wire Connectors. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by M***N on 4 April 2026* Just as good quality as sold at most stores for a really decent price. ### ⭐⭐⭐⭐⭐ Review *by J***L on 1 August 2025* Il vaut mieux bien insister pour sertir sinon ça ne tient pas. ### ⭐⭐⭐⭐⭐ Review *by A***X on 20 October 2025* Sehr guter Preis und Qualität ## Frequently Bought Together - 330PCS haisstronica Heat Shrink Butt Connectors-Marine Grade Waterproof Electrical Crimp Wire Connectors Kit-Tinned Red Copper Insulated, for Boat,Truck,Stereo,Joint(4Colors/4Sizes) - haisstronica Crimping Tool For Heat Shrink Connectors-AWG 22-10 Ratchet Wire Terminal Crimper-Ratcheting Crimper Tools-Available For Insulated Nylon Connectors and Electrical Wire Connectors HS-8327 - haisstronica 280PCS Marine Grade Heat Shrink Wire Connectors-Electrical Connectors Kit of Tinned Red Copper,Crimp Insulated Ring Fork Spade Butt Splice(3Colors/21Size) 16-14 22-16 12-10 Gauge --- ## 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.hr/products/266441876-haisstronica-330pcs-heat-shrink-butt-connectors-waterproof-electrical-wire-connectors](https://www.desertcart.hr/products/266441876-haisstronica-330pcs-heat-shrink-butt-connectors-waterproof-electrical-wire-connectors) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-04-25*