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Item #:
70170814
140PCS Solder Seal Wire Connectors, Electrical Heat Shrink Butt Connectors
89% of respondents would recommend this to a friend
Item #:
70170814
AUD 25
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Creates a waterproof seal, resistant to stretch and vibration, and offers protection to the wires and cables from abrasion, cutting, scuffing, and low impact situations.
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What Stands Out
Self Soldering
These connectors combine solder and heat shrink in one, ensuring a solid, waterproof connection without the need for additional tools, simplifying the soldering process for users.
Versatile Application
Designed for marine, automotive, boat, and truck use, these connectors are suitable for various environmental conditions, making them ideal for both professional and DIY projects.
Waterproof Design
The connectors feature a waterproof insulation layer that protects against moisture, ensuring durability and reliability in challenging conditions, thereby reducing the likelihood of connection failures.
Product Details
| Brand Name | Sopoby |
| Model | Sopoby Solder Wire Connectors |
| Number of Items | 140 |
| Item Highlight | Insulated Waterproof Solder Terminal Kit Marine Automotive Home Wiring |
| Part Number | Sopoby291 |
| Unit Count | 1 Count |
| Manufacturer | Sopoby |
| UPC | 674862395026 |
| Included Components | 1 |
| Item Type Name | 140 PCS Solder Seal Wire Connectors - Sopoby Heat Shrink Solder Connectors - Electrical Solder Butt Connectors - Insulated Waterproof Solder Connector Terminal Kit Marine Automotive Home Wiring |
| Color | Yellow, Blue, Red, White |
| Connector Type | Solder |
| Terminal | Butt Terminal |
| Temperature Rating | 257 degree fahrenheit |
| Maximum Voltage | 24 volts_of_direct_current |
| Connector Gender | Male |
| Contact Material | Copper |
| Insulation Material Type | Polyolefin |
| Material Type | Polyolefin Tubing with Hot Melt Adhesive & Solder inside |
| Specification Met | u2460 Minimum Shrink Temperature: 80u2103, u2461 Minimum Temperature for Solder to Melt: 138u2103 |
| Item Dimensions L x W x H | 4.72"L x 2.36"W x 0.5"H (12 x 6 x 1.3 cm) |
| Gauge | AWG 26-10 |
| Insulation Material | Polyolefin |
Who Should Buy?
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Marine Professionals
Ideal for professionals working on boats, as these connectors are waterproof and provide durable, secure connections in wet environments.
-
Automotive Repair
Perfect for DIY automotive repairs, offering quick, reliable connections without the need for soldering tools, saving time and effort.
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DIY Enthusiasts
Great for hobbyists looking for easy-to-use wire connectors for various projects, ensuring safe and effective electrical connections.
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High-Current Applications
Not suitable for high-current applications where traditional soldering methods provide stronger, more reliable connections under heavy loads.
Product Description
140PCS Solder Seal Wire Connectors, Electrical Heat Shrink Butt Connectors
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What are solder seal wire connectors used for?
Answer: Solder seal wire connectors are designed for creating waterproof electrical connections. They fuse wires together using heat to create a reliable joint while maintaining insulation. These connectors are ideal for various applications, including automotive wiring, marine electronics, and home repairs. Their versatility makes them a popular choice for those needing efficient and secure electrical connections. -
Question:
How do you use Sopoby heat shrink solder connectors?
Answer: To use Sopoby heat shrink solder connectors, start by inserting the wire ends into the connector. Once the wires are in place, apply heat using a heat gun until the solder melts and the heat shrink tubing shrinks around the wires, creating a tight seal. This method ensures the connection is both waterproof and insulated, ideal for environments exposed to moisture, like marine or outdoor applications. -
Question:
Are these connectors suitable for marine applications?
Answer: Yes, the Sopoby solder seal connectors are specifically designed to be waterproof and insulated, making them perfect for marine applications. Their ability to endure moisture and harsh conditions ensures that electrical connections in boats and other watercraft remain reliable and safe over time. This makes them a great choice for wiring installations in marine settings. -
Question:
What is the difference between solder butt connectors and traditional connectors?
Answer: Solder butt connectors fuse wires together with solder and provide waterproof protection, while traditional connectors simply connect wires without this method. Solder connectors create a more robust and reliable joint, which is crucial for applications where moisture or vibration is present. They are particularly beneficial in marine and automotive settings where durability is key. -
Question:
Can I use these connectors for automotive wiring?
Answer: Absolutely! The Sopoby heat shrink solder connectors are suitable for automotive wiring due to their waterproof design and strong soldered connections. These connectors provide improved reliability in high-vibration environments and ensure your electrical systems function effectively. Whether you're repairing a vehicle or performing custom installations, these connectors can enhance the longevity of your work. -
Question:
How many connectors are included in this kit?
Answer: The Sopoby kit includes 140 PCS of solder seal wire connectors, providing a variety of sizes to suit multiple wiring needs. This abundance allows users to handle various projects, from quick repairs to larger wiring tasks, without the need for purchasing additional connectors. With this comprehensive selection, you will have the right connector on hand for almost any job. -
Question:
Are these connectors reusable?
Answer: Solder seal connectors are not typically reusable. Once the solder has melted and the connector is applied, the connection is permanent. This ensures a strong and weather-resistant joint but means that if you need to alter your wiring, you'll require a new connector. This characteristic is beneficial for long-term applications where a secure and reliable connection is essential. -
Question:
What temperature do I need to apply for heat shrink to work?
Answer: For the heat shrink solder connectors to function correctly, you need to apply heat at approximately 200°C (392°F) using a heat gun. Achieving this temperature ensures that the solder melts and the tubing shrinks tightly around the wires, establishing a water-resistant and insulated bond. Proper heat application is vital for a reliable joint, so be sure to monitor the process closely. -
Question:
Where can I buy 140 PCS Solder Seal Wire Connectors?
Answer: You can purchase the 140 PCS Solder Seal Wire Connectors from Ubuy. They offer a variety of products, including the Sopoby Heat Shrink Solder Connectors, making it convenient for you to find this specialized kit for your electrical wiring needs. Ubuy provides reliable access to essential tools and supplies for various applications, ensuring a smooth shopping experience. -
Question:
What are the benefits of using insulated waterproof solder connectors?
Answer: Insulated waterproof solder connectors provide numerous benefits, including enhanced protection against moisture, improved conductivity, and reduced risk of electrical shorts. The insulation prevents accidental contact with other wires or surfaces, while the waterproof seal ensures durability in harsh environments. This makes them ideal for marine, automotive, and outdoor electrical projects where reliability is paramount.
Sopoby Butt Editorial Review
The 50pcs Solder Seal Wire Connectors from Sopoby have garnered positive reviews from users who appreciate their effectiveness and ease of use, especially in automotive and marine applications. Customers report that these connectors provide a professional finish and create a strong, waterproof seal with minimal effort. The product is praised for its convenience, particularly for users who frequently deal with electrical repairs and splices, as it combines soldering and heat shrinking into a single step. Users have shared tips on how to achieve the best results, emphasizing the importance of proper wire stripping and the ideal distance from the heat source to avoid over-melting. Many have successfully used a variety of heat guns, indicating versatility. While there is a slight learning curve associated with achieving optimal results, most customers quickly become proficient and find themselves reaching for these connectors regularly. Some customers noted that while the connectors are fantastic for many projects, they are not suitable for every type of connection, particularly ones requiring more permanent solutions. Nevertheless, they serve as an excellent alternative to traditional crimp connectors and have proven invaluable during on-the-go repairs, particularly for those living in mobile settings. Overall, the Sopoby Solder Seal Wire Connectors are well-received for their reliability, strength, and user-friendly design, making them a must-have in any electrical toolkit. **
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Pros
- Easy to use with a single-step process for soldering and heat shrinking.
- Produces a strong, waterproof seal.
- Convenient for both automotive and marine applications.
- Excellent variety of sizes included.
- Provides a professional look and finish.
- User-friendly with positive results after a short learning curve.
Cons
- May not be suitable for all types of electrical connections.
Platform Trust & Buyer Confidence
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Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
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Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
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Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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Adele
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“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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AUD 25
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Features & Benefits
- Hot Melt Adhesive and Polyolefin tubing ensure strong waterproof connection
- Protects wires and cables from harsh environments
- Provides increased current flow and less voltage drop
- Suitable for various vehicles and marine applications
- Ensures a long-lasting connection for applications
- Reduces equipment downtime
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