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LD20/SP20 Heavy-Duty Square Connector for Automation and Machinery

>Number Of CoresNumber Of Cores 2 - 12Pins
Contact DiameterContact Diameter(mm) 1.0mm/1.8mm/2.8mm
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/10A/25A
Rated VoltageRated Voltage(Ac.V) 250V
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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The LD20/SP20 heavy-duty square connector is designed to provide dependable electrical connections in industrial automation and machinery systems. Built with a robust housing and precision contacts, it ensures consistent performance in demanding operating conditions.

Connectors


Its square panel design allows for secure installation on control cabinets, equipment enclosures, and industrial devices. The connector supports stable transmission of power and signals, making it suitable for manufacturing lines, automation systems, and mechanical equipment.

With strong mechanical durability and reliable connection stability, the LD20/SP20 connector is an ideal choice for industrial environments that require long-term performance and minimal maintenance.

Item

Parameters

Number of Cores

2 - 12Pin

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/10A/25A

Rated Voltage (AC.V)

250V

Test Voltage (AV.C)1Min

1500V

Insulation Resistance (㏁)

2000㏁

Contact Resistance (㏁)

≤1㏁

Termination

Screw Crimping


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   Stage Lighting Essential


TheEcoChic  2026-02-02

5-core LD24 is perfect for our moving heads. 20A rating handles power easily, and the lock-tight connection never fails mid-show. Waterproof for outdoor gigs too.
   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!
   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
   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
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