Waterproof Circular Connectors 

Reliable Solutions for Harsh Environments

LEMO offers a diverse range of waterproof circular connectors designed to excel in outdoor and industrial applications. With robust construction and IP66-IP68 protection ratings, these connectors provide exceptional reliability in environments exposed to liquids, dust, and extreme conditions.

 

What Are Waterproof Circular Connectors?
 

LEMO’s waterproof circular connectors are specifically designed to ensure secure and efficient connections in challenging environments, such as:

• Machine tools
• Factory automation equipment
• Marine applications (ships, docks)
• Conveyor belts and industrial motors
   

Thanks to their Push-Pull locking mechanism, these connectors enable quick, one-touch insertion and removal, even in tight spaces, saving time and improving productivity. No advanced technical skills are required to establish a secure connection


 

Key Benefits of LEMO Waterproof Circular Connectors?

1. Trusted Quality
   LEMO’s waterproof connectors meet stringent international standards, such as IEC 60529, ensuring reliable performance in demanding environments.
    
2. Customization Options
   From specialized materials to custom contact configurations, LEMO provides tailored solutions to meet your unique requirements.
    

3. One-Stop Service
   LEMO offers end-to-end solutions, including cable assembly, inspection, and post-sales support. 
   
    

   
    

4. Proven Durability
   Designed to withstand extreme conditions, LEMO connectors ensure long-lasting performance, even in high-temperature, high-pressure, and water-intensive settings.

Key Features of LEMO Waterproof Circular Connectors

1. High-Performance Waterproofing
   When properly assembled with suitable cables, LEMO waterproof connectors meet IP66, IP67, or IP68 standards, providing optimal protection against water ingress, even in submerged conditions. This ensures uninterrupted performance in harsh or wet environments.
    
2. Rugged and Durable Design
   •    Wide temperature tolerance: Operates between -55°C and 200°C, ensuring reliability in extreme climates.
   •    EMC isolation: Full 360° electromagnetic integrity for signal protection.
   •    High-density housing: Compact designs that save space without compromising durability.         
   •    O-ring sealing: Made from heat-resistant materials like FPM long-lasting waterproofing. 
    
3. Versatile Contact Types
   LEMO offers a variety of contact configurations, including:
   •    Single-pin to multi-pin (up to 114 pins) arrangements.
   •    Specialized contacts: Coaxial, optical fibre, high-voltage, thermocouple, and composite types.
   These versatile options ensure LEMO connectors can adapt to diverse industries and specialized equipment.
   
   
    
4. Compatibility with Various Materials
   Available in different materials and finishes, including:
   •    Plastic body options (T Series).
   •    Stainless steel for added corrosion resistance. 
   •    Black chrome plating for durability and a sleek finish
    

Waterproof Circular Connectors by Series

LEMO offers a wide selection of waterproof connector series, each tailored to specific use cases and industries.
When properly assembled with suitable cables, LEMO’s waterproof Circular connectors offer protection levels compliant with the IEC 60529 standard (IP66 to IP68) in a mated state. You can select the appropriate connector series based on your application.

Each series is engineered to meet the demands of specific environments and applications:

 

Applications of Waterproof Circular Connectors

LEMO’s waterproof connectors are trusted in a wide variety of industries, including:

1. Shallow and Under water
   From shallow waters to ocean depths of 1000 meters (3280 feet), LEMO’s precisely manufactured watertight connectors with a guaranteed IP68 rating.
    
2. Marine and Outdoor Applications
   LEMO connectors provide reliable connections in maritime environments, ensuring protection against saltwater corrosion and high humidity.
    
3. Industrial Machinery
   With their dustproof and waterproof properties, these connectors are ideal for use in factory automation, machine tools, and conveyor systems.
    
4. Medical 
   The lightweight and compact REDEL series is perfect for portable devices used in medical, dental applications, where reliability and hygiene are critical.
    
5. High-Risk Environments
   For applications requiring high-voltage, optical fibre, or coaxial connections, LEMO offers customized multi-pin connectors with robust waterproofing.
    

Ensuring Maximum Performance

To maintain the high performance of LEMO waterproof connectors, several measures are recommended:

•    Airtight Sockets: Prevents water ingress, even during unexpected floods or submersion.
•    Protective Caps: Available for plugs and sockets to ensure IP-rated protection when not in use.
•    Custom Solutions: LEMO offers tailored options, such as plastic body connectors, specialized plating, or hybrid configurations.