1 / 7Kuject SS200CA Heat-Shrink Solder-Seal Connectors, 200 Pieces
Pieces: Kuject SS200CA is a 200-piece set of heat-shrink solder-seal butt connectors for wire joints. The listing describes heat activation and adhesive rings intended to help seal connections, but customers also report that melting the solder takes substantial heat and that sleeves can melt or burn.
At a glance
- The 200-piece listing identifies four colours and butt-splice terminals.
- The manufacturer describes two hot-melt adhesive rings in each connector to help resist moisture.
- The listing says heating activates the solder seal and shrinks the tubing. A heat gun is recommended.
Reference price: £13.99
Price checked: 12 Nov 2026
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Pros and cons
Pros
- Solder-seal and shrink-tubing construction may suit wire joins where a separate crimp-and-solder workflow is inconvenient.
- The stated 200-piece quantity and four listed colours provide an assortment for multiple repair jobs.
Technical specifications
21 specifications| Brand | Kuject |
|---|---|
| Model | SS200CA |
| Manufacturer part number | WT200 |
| Number of items | 200 |
| Connector type | Butt Splice |
|---|---|
| Terminal | Butt Terminal |
| Connector gender | Male |
| Maximum voltage | 12 Volts (DC) |
| Stud size | ≥ 1.7 mm |
| Colour | White, red, blue, yellow |
| Material listed | Copper, Polyethylene |
|---|---|
| Contact material | Phosphor Bronze |
| Insulation material | Polyolefin, polyvinyl chloride, polyethylene |
| Specification met | IATF16949:2016 |
| Weight listed | 111 Grams |
|---|---|
| Item dimensions | 20.5L x 8.7W x 20.5H centimetres |
| Shrinkage ratio | 3:1 |
|---|---|
| Temperature that starts to shrink | 80℃ |
| Temperature that solder ring start to melt | 111˚C |
| Temperature that solder ring melt completely | 138˚C |
| Suggested heat-gun setting | 400-600℃ (752-1112°F) |
What to know before buying
Listing details to confirm
The listing identifies the connectors as solder-seal, while the title also calls them crimp connectors and the features say no crimping or soldering is needed. It gives both Copper, Polyethylene and phosphor bronze contact material, lists several insulation materials, and uses inconsistent IATF wording in its claims. Customer feedback also reports high heat demand and sleeves melting or burning. Confirm connector construction, materials, applicable rating and heating requirements for your intended wiring before purchase.
Who is it for?
A good fit for
- Automotive, marine or other wiring repairs where heat-shrink solder-seal butt joints are appropriate.
- Buyers who want a multi-piece selection of butt-splice connectors in several listed colours.
Less suited to
- Anyone who needs conventional crimp-only terminals or a clearly specified wire-gauge range, which this listing does not provide.
- Users unable to apply controlled heat or seeking a process with no risk of sleeve damage.

Customer reviews on Amazon
- 5 stars
74% 74% - 4 stars
16% 16% - 3 stars
6% 6% - 2 stars
1% 1% - 1 star
3% 3%
Customer feedback describes the connectors as easier than soldering and reports joints that work well and hold over time. However, feedback also raises concerns about needing substantial heat and plastic sleeves melting or burning. Opinions on convenience and value are mixed. These reports matter because the listing's solder-ring temperatures and suggested heat-gun setting require careful heating, and the manufacturer’s moisture-sealing claims do not resolve the reported sleeve concerns.
Positive themes
- Customers report easier use than soldering and connections that work well and hold over time.
Negative themes
- Feedback reports substantial heat is needed to melt the solder and describes plastic sleeves melting or burning.
Mixed feedback
- Opinions are mixed on convenience and whether the set is worth the money.
Frequently asked questions
Does this set use crimp-only connectors?
The listing is inconsistent: it calls the product crimp connectors, but also describes solder-seal joints that need heating and say crimping is unnecessary. Check the exact selected listing and connector type before ordering.
What tool does the listing recommend?
It recommends a heat gun and gives a suggested setting of 400-600℃ (752-1112°F). Customer feedback mentions substantial heat demand and reports of sleeves melting or burning, so controlled heating matters.
Are the connectors specified for a particular wire gauge?
No wire-gauge range is given in the supplied specifications. Check compatibility with your wire and application before buying.
Are these connectors suitable for marine wiring?
The listing markets them for marine use and claims moisture-sealing adhesive rings. That is a manufacturer claim, not independent confirmation of suitability for every marine installation.

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