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Waterproof LD32/SP32 3 Pins Docking Connector

>Number Of CoresNumber Of Cores 2 - 9Pins
Contact DiameterContact Diameter(mm) 1.2mm - 3.2mm
IP RatingIP Rating IP68
Shell MaterialShell Material Thermoplastic PA6(Flame Retardant)
Temperature RangeTemperature Range -25°C to +85°C
TerminationTermination Screw Crimping
Rated CurrentRated Current(A) 5A - 45A
Rated VoltageRated Voltage(Ac.V) 280V
Test VoltageTest Voltage(Ac.V)1Min 1500V
Insulation ResistanceInsulation Resistance (MΩ) 2000MΩ
Contact ResistanceContact Resistance (MΩ) ≤ 1 mΩ
CertificationCertification CE, RoHS,BASCI,ISO9001
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Waterproof LD32 / SP32 3 Pins Docking Connector
The LD32 / SP32 3 Pins Waterproof Docking Connector is designed for applications that require a compact, reliable, and maintenance-friendly power connection solution in demanding environments. It provides stable current transmission through a simple 3-pin structure while ensuring secure docking between modular equipment units.
Connector
With a reinforced housing and precision-guided mating design, the connector maintains consistent electrical contact even under vibration, repeated connection cycles, or outdoor exposure. It is particularly suitable for systems where operational reliability is more critical than interface complexity.

Built for Practical Industrial Conditions
In real engineering applications, connection stability often determines system reliability. This docking connector is developed to solve common field challenges such as loose connections, environmental interference, and difficult maintenance.

Its design combines mechanical locking strength, waterproof sealing, and easy alignment, making it suitable for equipment that requires frequent assembly, disassembly, or modular replacement.

Where It Performs Best
Industrial power modules and control systems
Outdoor electrical and energy equipment
Mobile or modular power supply units
Automation systems requiring field maintenance
Equipment with plug-in power interface design
Engineering and Manufacturing Capability Behind the Product

This connector is developed by a manufacturer with over 15 years of experience in waterproof connector and cable assembly production. We focus on delivering stable interconnection solutions for industrial and outdoor applications.
Connector
Our production system is fully integrated in-house, covering mold development, die-casting, CNC machining, injection molding, cable processing, and final assembly. This vertical manufacturing capability allows us to maintain consistent product quality while ensuring fast response to customer requirements.
Waterproof Connector
To guarantee performance reliability, every connector undergoes strict testing procedures, including waterproof sealing verification, electrical conductivity testing, mechanical durability checks, and mating cycle validation before shipment.
Waterproof Connector
In addition to standard models, we also support OEM and ODM customization, including cable length, wire specification, connector configuration, and application-specific structural adjustments. This allows us to support both standard industrial usage and project-based engineering requirements.

A Reliable Choice for System Designers
Rather than overcomplicating the interface, this model focuses on delivering stable power transmission, durable structure, and predictable performance over long-term use. It is widely adopted in systems where reliability and maintainability are key design priorities.

Technical Support & Customization
We provide full technical support including sample evaluation, drawing confirmation, and customized production solutions. If you are developing a system requiring a stable waterproof docking power interface, we can support you from design to mass production.

 Item

 Parameters

 Number of Cores

 2 - 9Pin

 Gender

 Male/Female

 Housing Material

 Thermoplastic PA6(Flame Retardant)

 Cores Material

 Brass Plated with Gold

 Insulator Material

 Thermoplastics

 Locking System

 Threaded Connection

 Temperature Range

 -25℃, +85℃

 Rated Current (A)

 5A - 45A

 Rated Voltage (AC.V)

 380V

 Test Voltage (AV.C)1Min

 1500V

 Insulation Resistance (㏁)

 2000㏁

 Contact Resistance (㏁)

 ≤1㏁

 Termination

 Screw Crimping


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Related Catalog
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LD32/SP32 Industrial Docking Connector
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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 but Tough! Perfect for Small Outdoor Projects


OnTheGoShopper  2026-02-02

I needed a compact waterproof connector for my garden LED strip lights, and the LD12 is exactly what I was looking for. The 2-core model fits perfectly with my 6mm cable, and the screw terminals made installation super easy—no soldering required!It’s been through rain and even a few accidental spl
   Solid Industrial Workhorse


AmazonAddict777  2026-02-02

Our go-to for factory sensors. 4-core, 15A rating works for power + signal. IP68 keeps dust/water out, and the screw terminals are rock-solid. Durable and affordable.
   Heavy-Duty Power Connector


StyleSavvy13  2026-02-02

Used this 3-core model for my EV charger. 50A rating handles high power, and the IP68 seal keeps it safe in all weather. Sturdy build, easy to install. Highly recommend for high-power projects!
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