Multi Pin Waterproof Solder Wire Connector
  • Multi Pin Waterproof Solder Wire Connector Multi Pin Waterproof Solder Wire Connector

Multi Pin Waterproof Solder Wire Connector

HuaYi-FaDa Technology, a professional manufacturer and supplier of multi-pin waterproof solder wire connectors in China, focuses on providing high-quality waterproof solder wire connectors. Our wire connectors feature a multi-structure sealing design, coupled with a convenient soldering connection method, enabling quick insertion and removal while ensuring reliable sealing. This effectively isolates moisture, dust, and other external impurities, guaranteeing stable operation of the connection. The products are available in multiple pin configurations, including both wired and wireless versions, suitable for various industrial and outdoor applications.

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Product Description

The Multi Pin Waterproof Solder Wire Connector is a connector designed by HuaYi-FaDa Technology for outdoor, humid, and harsh environments. Its core function is to achieve a waterproof connection between wires while ensuring stable signal and power transmission. This product uses a soldered connection method, allowing for easy plugging and unplugging after assembly. Disconnection is as simple as unscrewing the main body, making it easy and efficient to use.


Parameter

Specifications:

Product name

Multi Pin Waterproof Solder Wire Connector

Item number

SQ21 Solder Connector without cable

Connection way

Solder with wire, screw locking type

Core number

2 pins, 3 pins, 4 pins, 8 pins, 12 pins, 2+3 pins, 2+4 pins.

Color

Black 

Waterproof level

IP68

Cable specification

13AWG~20AWG

Cable diameter range

6~11.5mm

Rated current (A)

15A for 2 pin, 3A for 12 pin

Operating voltage (AC.V.rms)

500V

Withstand voltage (AC.V)

1500V at 1min

Contact resistance

<5mΩ

Insulation resistance

>500MΩ

Durability

≥3000 mating and unmating cycles

Temperature rating

-40°C~105°C

Flame-resistance

UL94-V0

Material:

Shell and insulated parts

High performance engineering plastics

Contact pin

Copper alloy with gold-plating

Seal

Silicon


Product Structure and Core Components


The Multi Pin Waterproof Solder Wire Connector's waterproof performance stems from its multi-component collaborative design. These components work together to form a comprehensive sealing protection system. Key core components include:



  • O-rings: Made of aging-resistant and high/low temperature resistant silicone, embedded in the connector interface, effectively preventing moisture from entering through the mating gaps, enhancing core sealing performance, adapting to long-term use in various environments, and not easily losing pre-tightening force due to thermal expansion and contraction.




  • Waterproof sealant: Fills critical gaps inside the connector, further strengthening the sealing effect, preventing moisture, dust, and other impurities from entering the internal circuitry, avoiding poor contact or short circuits, and ensuring the stability of the electrical connection.




  • Flexible end seals: Designed specifically for cables after soldering, they tightly wrap around the cable surface, tightening the seal, adapting to cables of different diameters, preventing moisture from seeping in at the cable-connector joint, and also possessing a certain degree of bending and tensile strength.




  • Metal/Engineering Plastic Housing: Constructed from high-strength materials, it possesses excellent mechanical strength, corrosion resistance, and impact resistance, protecting internal contacts and circuitry. Suitable for complex environments such as outdoor and industrial settings, it also provides auxiliary sealing.




  • Solder Wire Contacts: Made of high-quality copper alloy, precision-machined and surface-treated, these contacts exhibit low contact resistance, excellent conductivity, and strong soldered connections, effectively ensuring stable power and signal transmission and resisting oxidation over long-term use.




Product Details of Multi Pin Waterproof Solder Wire Connector

 Multi Pin Waterproof Solder Wire Connector

Connection: 

 Multi Pin Waterproof Solder Wire Connector


Product Qualification of Multi Pin Waterproof Solder Wire Connector

This Multi Pin Waterproof Solder Wire Connector has passed CE, RoHS, CQC certificate. It is with IP68 waterproof level.

 Multi Pin Waterproof Solder Wire Connector


Technical Advantages


I. Sealing Technology Advantages

Our Multi-Pin Waterproof Solder Wire Connector employs a multi-layer sealing structure design, combining O-rings, waterproof sealant, and flexible end seals to achieve IP67 and IP68 waterproof ratings. The IP68 rating allows for immersion in 1 meter of water for over 30 minutes without leakage, providing complete dust and water resistance. It can withstand outdoor rain, humid environments, and industrial oil contamination, effectively protecting the connection points from external environmental corrosion.


II. Electrical Performance Advantages

The contacts are made of high-quality copper alloy, precision-machined and surface-treated, resulting in low and stable contact resistance and excellent conductivity. This effectively reduces signal attenuation and power loss, ensuring stable power and signal transmission. The product boasts excellent insulation performance, with an insulation impedance ≥20 megohms and a withstand voltage of DC250V/50 milliseconds, effectively preventing short circuits, leakage, and other safety hazards, and adapting to various voltage and current application scenarios.


III. Structural Design Advantages

The Multi-Pin Waterproof Solder Wire Connector features a user-friendly structural design, facilitating easy wire bonding and high assembly efficiency. It allows for smooth insertion and removal, enabling quick plug-and-play after assembly. Disconnection is as simple as unscrewing the main body, requiring no complicated tools. The product employs a polarized design with a keyed guide structure to effectively prevent mis-insertion and ensure correct installation. The robust shell structure provides excellent impact and tensile strength, suitable for long-term use.


IV. Material Advantages

The shell is made of high-strength engineering plastics or metal, possessing excellent corrosion resistance, high and low temperature resistance, and mechanical strength. It can withstand a wide temperature range of -40℃ to +85℃ and is not prone to aging or deformation. The seals are made of aging-resistant and chemically resistant silicone or fluororubber, ensuring long-term durability and extending product lifespan. The contact materials undergo rigorous selection, exhibiting oxidation and wear resistance to ensure connection stability and durability.



1. What specific waterproof rating does the Multi Pin Waterproof Solder Wire Connector meet?


A: Our product's standard waterproof rating is IP67, and we can customize it to IP68 upon request. IP67 provides complete dustproof protection, with no leakage after immersion in 1 meter of water for 30 minutes. IP68 allows for long-term underwater immersion (specific depth can be customized), completely preventing water intrusion and meeting IEC 60529 standards.


2. What pin specifications does the product support? Can special pins be customized?


A: Standard pin specifications include 2-pin, 3-pin, 4-pin, 8-pin, and 12-pin, as well as power and signal combination pins (2+3 pins, 2+4 pins). We support customized special pin specifications, which can be designed and manufactured by our R&D team according to specific customer needs to meet personalized application scenarios.


3. Can the cable length and wire diameter of the cable version with wires be customized?


A: Yes, they can be customized. The cable length, diameter, and material of the wired version can be adjusted according to customer needs. We will recommend suitable cable specifications based on the customer's application scenario to ensure reliable and applicable connections.


4. What is the product's lifespan? What is the warranty period?


A: Under normal use, the product has a mating life of ≥500 cycles, with an overall lifespan of over 5 years. We provide a 3-year quality guarantee. During the warranty period, damage caused by product quality issues will be repaired or replaced free of charge.


5. How to apply for free samples? How long does sample delivery take?


A: Customers can apply for free samples by contacting customer service. Up to 3 samples can be requested for each model. Sample delivery time is 3-5 business days. We will arrange production and shipment as soon as possible to ensure customers can test product performance promptly.


6. What is the order delivery cycle? Do you support OEM/ODM customization?


A: The standard order delivery cycle is 2-3 weeks. Larger orders can be adjusted according to production plans. We support OEM/ODM customization services, and can customize exclusive Multi-Pin Waterproof Solder Wire Connector products according to customer brand, specifications, and design requirements.


7. What is the product's operating temperature range? Can it withstand extreme environments?


A: The product's normal operating temperature range is -40℃ to +85℃. It has excellent high and low temperature resistance and can adapt to outdoor cold, high temperature, and industrial high temperature environments. It also has oil resistance, chemical corrosion resistance, and UV resistance, enabling stable operation in complex and extreme environments.



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