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LD28 3 Pin Waterproof Circular Connector IP68 Screw Termination

MOQMOQ >200
PricePrice
>Number Of CoresNumber Of Cores 3 Pin
Contact DiameterContact Diameter(mm) 1.8mm~3.5mm
IP RatingIP Rating IP68
Shell MaterialShell Material Flame-retardant PA66 Nylon
Temperature RangeTemperature Range -25℃ ~ +80℃
TerminationTermination Screw Crimping
Rated CurrentRated Current(A) 5A
Rated VoltageRated Voltage(Ac.V) 250V
Test VoltageTest Voltage(Ac.V)1Min 1500V
Insulation ResistanceInsulation Resistance (MΩ) ≥2000MΩ
Contact ResistanceContact Resistance (MΩ) ≤10MΩ
CertificationCertification CE,ISO9001, RoHS
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LD28 3 Pin Waterproof Circular Connector Overview

The LD28 3 Pin Waterproof Circular Connector is a reliable power connection solution designed for industrial and outdoor electrical systems. Built with a high-strength PA66 housing, this connector offers excellent durability, mechanical strength, and resistance to environmental stress. Its circular design ensures stable electrical contact and easy installation, making it suitable for panel mount and cable connection applications.

With a rated current of up to 45A and an IP68 protection level, the LD28 connector is engineered to perform reliably in demanding environments where moisture, dust, and vibration are common challenges. The screw connection structure eliminates the need for soldering, allowing for convenient installation and maintenance.

LD28 3 Pin Waterproof Circular Connector

Durable PA66 Housing for Long-Term Performance

The housing of the LD28 connector is made from PA66 (Nylon 66), a widely used engineering plastic known for its excellent mechanical properties. This material provides high impact resistance, thermal stability, and strong insulation performance.

PA66 also offers good resistance to oils, chemicals, and environmental aging, making it suitable for long-term use in industrial equipment and outdoor installations. Compared with standard plastic materials, PA66 ensures better structural strength and reliability under demanding operating conditions.

Reliable Waterproof Protection – IP68 Rated

One of the key advantages of the LD28 connector is its IP68 waterproof rating. This level of protection ensures that the connector is fully protected against dust ingress and can withstand long-term exposure to water.

The sealing structure includes precision-designed gaskets and locking components that maintain a secure connection even in wet or dusty environments. This makes the LD28 connector particularly suitable for applications such as outdoor power systems, marine equipment, LED lighting installations, and industrial machinery.

Easy Installation with Screw Termination

The LD28 connector features a practical screw termination design that allows installers to connect wires quickly without soldering. This significantly simplifies installation and reduces the risk of poor solder joints that may affect electrical performance.

Screw connections also make maintenance easier, as wires can be removed or replaced when necessary. This feature is particularly valuable for field installations and equipment that requires periodic servicing.

Typical Applications

Thanks to its high current capacity, durable construction, and waterproof performance, the LD28 connector is widely used in many industries. Common applications include:

  • LED outdoor lighting systems
  • Industrial automation equipment
  • Power distribution devices
  • Stage lighting and audio equipment
  • Renewable energy systems
  • Marine and outdoor electrical installations

Its compact circular design and strong environmental protection make it an ideal connector for both indoor and outdoor electrical connections.

LD28 3 Pin Connector Plug

Selection Considerations and Inquiry Checklist

When selecting the LD28 connector for your application, consider the following factors to ensure proper mating and performance:

  • Mating side: Confirm whether you need a plug, socket, or panel mount version, and verify the gender (male or female) required for your cable assembly.
  • Cable specifications: Provide the cable outside diameter and conductor size to confirm compatibility with the screw termination range.
  • Electrical load: Verify that your operating current and voltage stay within the connector's rated limits for continuous duty.
  • Environmental conditions: Confirm that the IP68 rating meets your immersion depth and duration requirements, as performance is validated under specific test conditions.
  • Order quantity: Specify the required quantity and any packaging preferences for your project timeline.

For detailed dimensional drawings and material specifications, refer to the LD28/SP28 Panel Mount Connectors Dimensions and Materials reference. For related high-current waterproof solutions, review the 12G Series Circular Connectors for additional configuration options.

Conclusion

The LD28 3 Pin Waterproof Circular Connector provides a dependable solution for high-current power connections in demanding environments. With its durable PA66 housing, IP68 waterproof protection, and convenient screw termination design, it delivers both reliability and ease of installation. Contact our engineering team with your mating-side requirements, cable specifications, and application details to confirm the correct configuration for your project.

Item Parameters
Number of Cores 3 Pin
Gender Male/Female
Housing Material Flame-Retardant PA66 Nylon
Cores Material Brass Plated with Gold
Insulator Material PPS
Locking System Screw Locking
Temperature Range -25℃ to +80℃
Rated Current (A) 5A
Rated Voltage (AC.V) 250V
Test Voltage (AC.V) 1 Min 1500V
Insulation Resistance (MΩ) ≥2000
Contact Resistance (MΩ) ≤10
Termination Screw Crimping

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Customer Reviews

   

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   Compact & Reliable IP68 Plug


VintageTreasureHunter  2026-02-02

Great for small security sensors. 2/3-core, fits 4-7mm cables. IP68 holds up in damp areas, screw install takes 1 minute. Sturdy and affordable!
   Tiny & Reliable LD12 connectors!


DailyDealJunkie  2026-02-02

Perfect for my small garden LEDs. Easy screw-on install, IP68 waterproof holds up in rain. Compact size fits 5-8mm cables like a glove.
   Great LD16 Connectors for Outdoor Cameras


TechyTrendsetter  2026-02-02

Used this 3-core model for my security cams. 10A rating handles power easily, and the waterproof seal keeps them safe in storms. Super easy to install. Will buy again!
   Solid Performance for Security Cameras


NextGenShopper  2026-02-02

I bought the LD16 3-core connector to power my outdoor security cameras, and it’s been flawless. The 10A rating handles the camera and IR lights easily, and the 8mm cable fit was spot-on.Installation was a breeze with the screw terminals, and the waterproof seal gives me peace of mind even in heavy
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Manufacturer Address:Baoan District, Shenzhen City, Guangdong Province,China

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