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FD Series Cicular Connector

MOQMOQ >200
>Number Of CoresNumber Of Cores 2-7Pin
Contact DiameterContact Diameter(mm) 2.5/3.0mm
IP RatingIP Rating IP68
Shell MaterialShell Material PA66
Temperature RangeTemperature Range -40℃ ~ +85℃
TerminationTermination Solder/Screw Crimping
Rated CurrentRated Current(A) 5A/10A/25A
Rated VoltageRated Voltage(Ac.V) 500V
Test VoltageTest Voltage(Ac.V)1Min 1500V
Insulation ResistanceInsulation Resistance (MΩ) ≥500MΩ
Contact ResistanceContact Resistance (MΩ) ≤5MΩ
CertificationCertification CE, RoHS,BASCI,ISO9001
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+86-19924482730

FD Series Circular Connector - Reliable Waterproof Connection Solutions
The FD Series Circular Connectors are designed to provide reliable power and signal transmission for a wide range of industrial and outdoor applications. Built with robust construction and dependable sealing performance, the FD series offers stable connectivity, long service life, and strong resistance to harsh working environments such as moisture, dust, and vibration.
FD Plug
This series integrates multiple connector types and configurations, making it a flexible and cost-effective solution for equipment manufacturers, system integrators, and industrial users who require dependable and standardized connection systems.

With a focus on durability, installation flexibility, and consistent electrical performance, the FD series connectors are widely used in industrial automation, power equipment, communication systems, machinery, and outdoor electrical devices.

Common Models in the FD Series
The FD series includes a variety of connector models to meet different power and signal transmission requirements:
FD13 Circular Connector - Compact size for space-limited equipment
FD17 Circular Connector - Balanced performance for general industrial applications
FD20 Circular Connector - Higher current capacity and enhanced durability
FD24 Circular Connector - Heavy-duty applications requiring stronger mechanical strength
Circular Plug
Multiple pin configurations are available to support different electrical requirements.
FD Socket
Multiple Mounting and Connection Options Available
To meet diverse installation needs, the FD series provides flexible structural options:
Flange Mount Connectors - Secure installation on equipment panels
Panel Mount Connectors - Stable and space-efficient mounting solution
Docking Connectors - Convenient plug-and-play connection for frequent mating
Cable Connectors - Pre-wired solutions for faster installation

Male and Female Connectors - Complete connection system compatibility

Circualr Connector


These options allow customers to easily select the most suitable configuration for their specific equipment and application scenarios.

Key Advantages of the FD Series Connector
Wide Product Range
A complete series covering multiple sizes, pin configurations, and mounting styles to meet diverse industrial requirements.

Reliable Waterproof Performance
Designed to provide dependable sealing protection, suitable for outdoor and demanding environments.

Strong Mechanical Durability
Engineered with high-strength materials to withstand vibration, impact, and continuous operation.

Flexible Customization Capability
Support for customized cable length, pin layout, wire type, connector color, and packaging according to project needs.

Consistent Electrical Performance
Precision contact design ensures stable conductivity and reliable signal transmission.

Our Manufacturing Strength
Professional Connector Manufacturer
With more than 15 years of experience in connector and cable assembly production, we have established a strong reputation for quality, reliability, and responsive service in the global market.

Connector Factory


Complete In-House Production System
Our factory integrates:
Die-casting
Mold development
Stamping
CNC machining
Injection molding
Cable assembly
Final testing and packaging
Connector
This one-stop manufacturing capability ensures strict quality control, stable product consistency, and fast delivery.

Advanced Testing and Quality Assurance
We are equipped with professional testing equipment, including:
Waterproof testing
Salt spray testing
Insertion and withdrawal force testing
Electrical performance testing
Dimensional inspection
Connector
Every product is carefully inspected before shipment to ensure reliable performance.

Certified and Trusted Supplier
Our products comply with international standards such as:
·CE
·RoHS
·ISO9001
·UL (available for specific models)
Connector

Whether you need a standard connector or a customized connection solution, our engineering and production teams are ready to support your project with reliable products and professional service.

Contact us today to get samples, technical support, or a competitive quotation for the FD series connectors.

 Item

 Parameters

 Number of Cores

 2-7Pin

 Gender

 Male/Female

 Housing Material

 PA66

 Cores Material

 Brass

 Insulator Material

 PPS

 Locking System

 Screw Locking

 Temperature Range

 -40℃, +85℃

 Rated Current (A)

 5A/10A/25A

 Rated Voltage (AC.V)

 500V

 Test Voltage (AV.C)1Min

 1500V

 Insulation Resistance (㏁)

 ≥500㏁

 Contact Resistance (㏁)

 ≤5㏁

 Termination

 Solder/Screw Crimping


Related Products

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Related Cases

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Related Resource


FD Waterproof Connectors
Related Catalog
Learn More
FD Series Cicular Connector
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Related Main Features Contact Us
Reliability Under Pressure

Reliability Under Pressure

Built for demanding conditions, SP waterproof connectors deliver certified environmental resistance with fluoroelastomer seals and full IP68 rating, supporting reliable operation in outdoor, coastal, and industrial applications.
Sealed for Extremes

Sealed for Extremes

Our SP waterproof connectors achieve IP68 rating with integrated molding and fluoroelastomer seals, operating reliably at 5m depth for 72 hours. Tested from -40℃ to 120℃ for stable performance in extreme outdoor and underwater applications.
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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   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.
   Compact dual-lock waterproof connector for vibration-prone applications


LuxuryLifestyleX  2026-02-02

The dual locking clips on the FD20-D make it ideal for tight, vibration-prone spaces like my drone battery compartment. They never came loose mid-flight, and the IP68 waterproofing keeps moisture out. Easy to install—highly recommend!
   Bulk ordered, will buy again!


UrbanExplorerX  2026-02-02

Purchased 20 sets of FD20 IP68 waterproof connectors for landscape lighting—zero defects! 25A capacity handles all my outdoor power needs, locks securely, and stands up to heavy rain. Stocking up for future projects!
   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!
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