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FD20 Square Connector
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FD20 3 Pins Wire Connector Waterproof

>Number Of CoresNumber Of Cores 2-20 Pin
Contact DiameterContact Diameter(mm) 1.0mm / 1.5mm / 2.0mm
IP RatingIP Rating IP68
Shell MaterialShell Material PC/PA66
Temperature RangeTemperature Range -40°C to +105°C
TerminationTermination Solder / Crimp / PCB
Rated CurrentRated Current(A) 5–15 A
Rated VoltageRated Voltage(Ac.V) 250 V AC
Test VoltageTest Voltage(Ac.V)1Min 1500 V AC
Insulation ResistanceInsulation Resistance (MΩ) ≥1000MΩ
Contact ResistanceContact Resistance (MΩ) ≤ 5 mΩ
CertificationCertification CE, RoHS,BASCI,ISO9001
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FD20 3 Pins Waterproof Wire Connector -  4-Hole Square Flange Type
The FD20 3 Pins Waterproof Wire Connector with a 4-hole square flange design is engineered for secure and stable panel installation in industrial and outdoor equipment. Its reinforced mounting structure provides superior mechanical stability, ensuring reliable connections even in environments exposed to vibration, dust, and moisture.
FD20 Flange Connector
This connector is widely used in control cabinets, power distribution systems, machinery, and outdoor devices where strong fixation and long-term sealing performance are essential. The square flange structure allows the connector to be firmly mounted to panels or enclosures, effectively preventing loosening during operation and improving overall equipment safety.

Key Product Advantages of FD20 Flange Connector
Secure 4-Hole Square Flange Mounting
The square flange design with four mounting holes provides stronger fixation compared to standard connectors, reducing movement and ensuring stable installation in high-vibration environments.
Waterproof Connector
Reliable Waterproof Sealing Performance
Equipped with precision sealing components, the connector effectively prevents water and dust ingress, making it suitable for outdoor and industrial applications requiring dependable protection.
FD20 Connector
Durable Structure for Long Service Life
Manufactured with high-strength materials and precise molding technology, the connector offers excellent resistance to mechanical stress, corrosion, and environmental wear.
Connector
Stable Power and Signal Transmission
The optimized internal contact design ensures consistent electrical conductivity and reduces the risk of connection failure during continuous operation.
Connector
Flexible Wiring and Easy Integration
Pre-wired configuration simplifies installation and reduces assembly time, helping equipment manufacturers improve production efficiency.

Our Manufacturing Strength
Choosing us means choosing a reliable long-term partner in connector manufacturing.
Complete In-House Production
We operate a fully integrated production system covering die-casting, mold development, CNC machining, injection molding, cable processing, and assembly. This enables strict quality control and stable product consistency.
Connector
Professional Testing and Quality Control
Each connector undergoes multiple inspections, including waterproof testing, mechanical durability testing, electrical performance testing, and dimensional verification before shipment.
Connector
Rich Industry Experience
With more than 15 years of experience in connector and cable assembly manufacturing, we have supplied reliable products to customers in industrial automation, energy systems, communication equipment, and outdoor electronics.
Connector
Fast Delivery and Customization Support
We provide flexible customization services such as cable length, wire gauge, connector color, and packaging, ensuring your project requirements are met efficiently.

 Item

 Parameters

 Number of Cores

 2-20Pin

 Gender

 Male/Female

 Housing Material

 PC/PA66

 Cores Material

 Brass Plated with Gold

 Insulator Material

 PPS

 Locking System

 Screw Locking

 Temperature Range

 -40℃, +105℃

 Rated Current (A)

 5A - 15A

 Rated Voltage (AC.V)

 250V

 Test Voltage (AV.C)1Min

 1500V

 Insulation Resistance (㏁)

 1000㏁

 Contact Resistance (㏁)

 ≤5㏁

 Termination

 Solder


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FD20 Connector
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FD20 Square Waterproof Connector
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Related Main Features Contact Us
Precision-Built, Fully Verified

Precision-Built, Fully Verified

Engineered for demanding environments, SP waterproof connectors combine precision manufacturing with 100% testing—delivering leak-proof reliability where conventional methods and sampled checks often fall short.
Premium Material Engineering

Premium Material Engineering

Engineered for reliability, our SP series waterproof connectors use PC+PA66 housings and gold-plated brass terminals to deliver IP68 protection and stable signal transmission. Unlike cost-driven alternatives with ABS/uncoated materials, we ensure long-term durability and value, meeting full environmental and traceability standards.
Electrical Reliability Redefined

Electrical Reliability Redefined

SP waterproof connectors feature silver-plated contacts with ≤5mΩ resistance for stable high-current transmission. With advanced sealing and anti-corrosion treatment, they outperform standard connectors in wet and demanding electrical applications.
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Customer Reviews

   

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   Reliable IP68 waterproof connector for camper & landscape lighting


SmartSpendMaven  2026-02-02

My go-to for camper van wiring and landscape lighting! The FD20 2-core connector’s IP68 waterproof rating means I never worry about rain or splashes, and the 25A capacity handles all my low-power needs. The locking clip is secure, and the PA66 housing feels really durable.
   Finally a tiny waterproof connector that works!


BeautyBuzz2023  2026-02-02

Tried cheap alternatives for my LED strip lights—they all failed in rain. This FD10 IP67 connector locks tight, installs fast with screw terminals, and my outdoor lights stay on perfectly. No more wasted money!
   Perfect for low-power outdoor sensors & LED strips


TidyHomeFanatic  2026-02-02

These FD10 waterproof connectors are the perfect fit for my low-power garden sensors and LED strip lights. The IP67 rating kept everything working through weeks of rain, and the snap-lock clips hold tight even in wind. Installation was super quick with screw terminals—no soldering needed.
   Heavy-duty IP68 waterproof connector for industrial & off-grid use


GlamourGuru23  2026-02-02

These FD30 high-current connectors handle 40A with ease—perfect for my workshop’s 220V tools and off-grid solar setup. The IP68 seal survived a flood in our yard, and the thick shell stands up to impacts. A must-have for high-power industrial or off-grid setups.
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Manufacturer Address:Baoan District, Shenzhen City, Guangdong Province,China

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