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SP21 Docking Connectors
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SP21 Docking Connector for Robotics and Automation Systems

>Number Of CoresNumber Of Cores 2 - 12Pins
Contact DiameterContact Diameter(mm) 1.0mm/2.0mm/2.8mm
IP RatingIP Rating IP68
Shell MaterialShell Material PC/PA66
Temperature RangeTemperature Range -40℃ ~ +85℃
TerminationTermination Welding
Rated CurrentRated Current(A) 5A/15A/30A
Rated VoltageRated Voltage(Ac.V) 400V-500V
Test VoltageTest Voltage(Ac.V)1Min 1000V-1500V
Insulation ResistanceInsulation Resistance (MΩ) 2000MΩ
Contact ResistanceContact Resistance (MΩ) ≥5MΩ
CertificationCertification CE, RoHS,BASCI,ISO9001
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High-Performance SP21 Docking Connector
The SP21 Docking Connector offers reliable signal transmission and robust mechanical performance, making it ideal for advanced robotics and automation systems.

Durable and Waterproof Design
Designed to withstand harsh industrial environments, the SP21 Docking Connector features a waterproof and dustproof structure, ensuring long-lasting durability.

Easy Installation and Maintenance
With its intuitive docking design, the SP21 Docking Connector allows for quick installation and easy maintenance, reducing system downtime.

Versatile Applications
Perfect for robotics, automated machinery, and smart manufacturing devices, the SP21 Docking Connector supports a wide range of industrial applications.

Secure and Stable Connection

Engineered for precise alignment and secure locking, this connector maintains stable performance even in high-vibration or demanding environments.

SP21 Connectors

Item

Parameters

Number of Cores

2-9Pin

Gender

Male/Female

Housing Material

PC/PA66

Cores Material

Brass Plated with Gold

Insulator Material

PPS

Locking System

Screw Locking

Temperature Range

-40℃, +85℃

Rated Current (A)

3A/5A/13A

Rated Voltage (AC.V)

400V - 500V

Test Voltage (AV.C)1Min

1000V - 1500V

Insulation Resistance (㏁)

2000㏁

Contact Resistance (㏁)

≥5㏁

Termination

Welding


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SP21 Docking Connector
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   Ends pump wire short circuits, heavy-duty quality!


CozyHomeShopper  2026-02-02

Finally fixed my submersible pump’s short circuit issue. SP17 is thick and durable, waterproof even underwater. Easy to connect, no power issues—worth every cent!
   Best waterproof connector for my solar setup


TechieTrendz  2026-02-02

SP21 connectors handle the power from my solar panels with zero problems. The weatherproof design has survived weeks of storms, and the quick-connect feature saved me a ton of time. Top quality, will buy again!
   Rock-solid for my marine equipment


CreativeCrafter  2026-02-02

Needed something that could survive saltwater and rough conditions for my boat’s electronics. The SP29 connectors are built like tanks, and the waterproof cap keeps everything dry. Worth every penny for marine applications.
   Heavy-duty, just what my pump needed


SustainableStyleX  2026-02-02

My submersible pump needed a durable connector, and the SP17 delivered. It’s waterproof, easy to install, and carries the current without any issues. No more tripping over exposed wires—highly recommend for industrial use.
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