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Waterproof SD20/SP20 2-9 Pins Rear Nut Mount Connector

MOQMOQ >200
PricePrice $2.53 - $4.02
>Number Of CoresNumber Of Cores 2 - 9Pins
Contact DiameterContact Diameter(mm) 1.0mm/1.8mm/2.8mm/3.6mm
IP RatingIP Rating IP68
Shell MaterialShell Material PC,Nylon66
Temperature RangeTemperature Range -25℃ ~ +85℃
TerminationTermination Welding
Rated CurrentRated Current(A) 5A/10A/25A/50A
Rated VoltageRated Voltage(Ac.V) 250V/380V
Test VoltageTest Voltage(Ac.V)1Min 1500V
Insulation ResistanceInsulation Resistance (MΩ) 2000MΩ
Contact ResistanceContact Resistance (MΩ) ≤5MΩ
CertificationCertification CE, RoHS,BASCI,ISO9001
Get Quote
+8619924482730

Waterproof SD20 / SP20 2 - 9 Pins Wire Mount Connector
The SD20 / SP20 Waterproof Wire Mount Connector is designed for industrial equipment and outdoor systems that require a flexible cable-to-cable connection solution with stable electrical performance and reliable environmental protection. Supporting 2 - 9 pin configurations, this series can adapt to different power and signal transmission requirements across a wide range of applications.
Connector
Unlike fixed panel connectors, the wire mount structure provides greater installation flexibility, making it ideal for equipment with movable wiring systems, modular assemblies, or limited installation space.

Flexible Connection for Modern Equipment Design
In many industrial applications, wiring layouts need to remain adaptable during installation and maintenance. The SD20/SP20 wire mount connector is developed to provide:
Easier cable routing and integration
More flexible connection positioning
Simplified equipment assembly

Reliable transmission under continuous operation

Connector

Its compact circular structure allows stable connection performance while helping reduce unnecessary wiring complexity inside equipment.

Adaptable Pin Configurations
The series supports different electrical architectures depending on application needs:
2 - 3 Pins: Power transmission applications
4 - 6 Pins: Combined power and control signals
7 - Pins: Multi-channel communication and signal systems
This flexibility allows equipment manufacturers to standardize connector selection while supporting different system functions.

Product Characteristics
Reliable Waterproof Protection
The sealing structure helps protect internal contacts from water, dust, and environmental interference in industrial and outdoor environments.

Wire Mount Design for Flexible Installation
Provides convenient cable-to-cable connection without requiring fixed panel installation.

Stable Electrical Transmission
Precision contacts ensure consistent conductivity and reliable long-term performance.

Durable Circular Housing
Designed to withstand vibration, repeated use, and demanding industrial conditions.

Wide Application Compatibility
Suitable for automation systems, smart devices, outdoor electronics, and industrial control equipment.
SD20 Connector
Factory Strength Supports Product Reliability

We are a professional connector manufacturer with over 15 years of experience in waterproof connectors and cable assembly solutions.

Circular Connector

Our factory integrates the entire production process in-house, including:
Mold design and tooling development
Zinc alloy die-casting
CNC precision machining
Injection molding

Cable processing and connector assembly

Connector

This vertically integrated manufacturing system enables us to maintain stable quality control, fast delivery capability, and reliable large-volume production support.

Comprehensive Quality Control
Each connector undergoes strict inspection and testing procedures before shipment, including:
·Electrical conductivity testing
·Waterproof sealing verification
·Plugging and mating cycle testing
·Mechanical durability inspection

·Dimensional accuracy checks

Connector

Our products are manufactured under ISO9001 quality management standards and comply with CE and RoHS international standards.

Customization Services
We provide flexible OEM and ODM support for industrial projects, including:
Pin configuration customization
Cable length and wire specification adjustments
Shielding and anti-interference solutions
Structural and material optimization
Our engineering team supports customers from sample development to mass production.

Application Areas
Industrial automation systems
Outdoor electrical equipment
Smart manufacturing devices
Monitoring and communication systems
Power and signal transmission applications
LED and lighting systems
Reliable Connectivity for Industrial Systems
The SD20/SP20 waterproof wire mount connector series is designed to provide stable, flexible, and long-lasting connection solutions for modern industrial and outdoor equipment.

Contact Us
We provide samples, technical consultation, and customized production services according to your project requirements.
Contact us today for more information and competitive quotations.

 Item

 Parameters

 Number of Cores

 2-9 Pins

 Gender

 Male/Female

 Housing Material

 PC,Nylon66

 Cores Material

 Brass Plated with Gold

 Insulator Material

 PPS

 Locking System

 Threaded Connection

 Temperature Range

 -25℃, +85℃

 Rated Current (A)

 5A/10A/25A/50A

 Rated Voltage (AC.V)

 250V/380V

 Test Voltage (AV.C)1Min

 1500V

 Insulation Resistance (㏁)

 2000㏁

 Contact Resistance (㏁)

 ≤5㏁

 Termination

 Welding


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Customer Reviews

   

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   High quality connectors


HomeGoodsGuru  2026-02-02

Just installed these for my garden LED spotlights—so easy to wire up, and the waterproof seal is tight. Rained heavy 2 days later, zero issues. Worth every penny!
   2 months in, still perfect


AmazonFindsFan  2026-02-02

SD16 connectors on my patio string lights—through sun, rain, wind, no glitches. The metal thread is durable, no stripped parts. Great quality!
   Way better than cheap connectors


SeasonalShopper  2026-02-02

Swapped out old plastic plugs for SD16 on my outdoor CCTV. Powers + sends data flawlessly, even in fog. Installation took 2 mins max—love it!
   Waterproof and easy


DIYDecorGal  2026-02-02

Worked like a charm for my landscape lights. The SD16 connectors snap into place and keep moisture out. So much better than old cable nuts!
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