IP68 Waterproof LD20 / SP20 Wire Connector
The IP68 Waterproof LD20 / SP20 Wire Connector is a heavy-duty circular connector designed for secure power and signal transmission in harsh industrial and outdoor environments. Featuring a rugged housing structure and high-level sealing performance, this connector ensures reliable operation in conditions involving moisture, dust, vibration, and long-term exposure.

With a larger size and stronger current-carrying capability compared to smaller connector series, the LD20 / SP20 is widely used in equipment that requires dependable electrical connections and enhanced environmental protection.
High Protection Design for Demanding Environments
Engineered with IP68 waterproof protection, the LD20 / SP20 connector is suitable for applications where stability and durability are critical. Its threaded locking mechanism provides secure connection retention, helping maintain consistent electrical performance during continuous operation.
Key advantages include:
IP68 waterproof and dustproof protection
Durable housing for harsh industrial environments
Secure threaded locking for vibration resistance
Stable electrical contact for reliable transmission
Suitable for medium to high current applications
Long service life under demanding conditions

Flexible Wire and Configuration Customization
The LD20 / SP20 wire connector is designed to support a wide range of wiring and installation requirements. It can be supplied as a customized cable assembly to match specific equipment designs and working conditions.
Customization options include:
Custom cable length based on installation requirements
Multiple pin configurations for different electrical needs
PVC, rubber, or PUR industrial cable materials
Shielded cable for signal-sensitive applications
Straight or right-angle cable outlet options
OEM branding and packaging customization
This flexibility allows seamless integration into industrial equipment and system-level applications.
Typical Applications for LD20/SP20 Wire Connector
The IP68 LD20 / SP20 wire connector is commonly used in environments requiring reliable sealing and stable electrical performance, such as:
Outdoor electrical and power equipment
Industrial machinery and automation systems
LED lighting and display installations
Marine and coastal equipment
Renewable energy systems
Construction and heavy-duty machinery
Factory Capability - Built for Industrial Reliability
Our factory specializes in the manufacturing of waterproof circular connectors and customized cable assemblies for industrial applications. With an integrated production system and strict process control, we ensure consistent product quality and reliable supply for long-term projects.

Our manufacturing strengths include:
Complete in-house production from components to cable assembly
Stable manufacturing processes for batch consistency
Experience supporting OEM and engineering projects
Flexible production scheduling for repeat orders
Strong export capability for global markets
This structure enables us to provide dependable connection solutions for industrial customers worldwide.
Quality Control & Certification
Each LD20 / SP20 connector undergoes strict inspection and testing to ensure dependable performance in real working conditions.
Quality assurance includes:
Waterproof sealing performance verification
Electrical continuity and conductivity testing
Mechanical durability and connection reliability testing
Cable termination strength inspection
Final visual and dimensional inspection

Products are manufactured under internationally recognized standards:
ISO9001 Quality Management System
CE Certification
RoHS Environmental Compliance

Reliable Waterproof Connection Solution for Industrial Applications
The IP68 Waterproof LD20 / SP20 Wire Connector combines strong sealing performance, durable construction, and flexible customization capability. It is an ideal solution for industrial and outdoor applications requiring long-term reliability and secure electrical connections.
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 heavyNextGenShopper 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.AmazonAddict777 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!VintageTreasureHunter 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!TechyTrendsetter 2026-02-02