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LLT Connector Co., Ltd.

Pioneering Connector Solutions Since 1998

26 Years of Manufacturing Excellence
200+ Patented Technologies
40+ Global Markets

Empowering global industries with mission-critical connection systems and innovative waterproof solutions. Our enterprise-grade products meet the exacting standards of Industry 4.0 applications worldwide.

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M29/M35 Series Solar Standard Connectors

M29/M35 Series Solar Standard Connectors

High-performance solar connectors designed for extreme weather conditions with industry-leading IP68 protection rating.

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Product Center Navigation

Product Center Navigation

Explore our complete range of professional waterproof connector solutions for various industrial applications.

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Energy Storage Self-Locking Plug Socket Series

Energy Storage Self-Locking Plug Socket Series

Secure connection solutions for battery storage systems with innovative self-locking mechanism to prevent unintended disconnection.

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LPL-300A Push-Pull High Current Connector Series

LPL-300A Push-Pull High Current Connector Series

High-current connectors with innovative push-pull locking mechanism specifically designed for energy storage systems.

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๐Ÿ” Explore Product Catlalog Over 8,000+ customized waterproof connector solutions

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Global Manufacturing Excellence

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128,500mยฒ
Dongguan Headquarters
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20,000mยฒ
Shenzhen Headquarters
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200+
Invention Patents
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30+
International Certifications
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100+
Countries Served
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280M
Annual Production
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Vertical Integration Manufacturing

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In-house Mold Workshop
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Injection Molding Center
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03
Pin Insertion Systems
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Potting Machines
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UL-certified Lab
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30+ Assembly Lines
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Vertical Integration
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Fast Delivery
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Quality Control

International Certifications

LLT Tech maintains rigorous quality standards with 15+ international certifications

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UL 4128:2021

Medical Interconnection Systems

Waterproof connectors pass 500 disinfection cycles (0.5% sodium hypochlorite solution) with contact resistance variation โ‰ค2mฮฉ, ideal for operating room equipment.

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UL2238

Industrial Equipment Connectors

Products pass UL current cycle testing (temperature rise โ‰ค40K) with mechanical life >25,000 cycles, suitable for PV inverters and heavy machinery.

๐Ÿ‡ช๐Ÿ‡บ

CE LVD+EMC

European Directive Certification

Complies with EU low voltage and electromagnetic compatibility standards, ensuring stable operation across 3,000km European railway network.

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CCC (GB4943.1)

Safety Certification

Passes 32 rigorous tests including abnormal temperature and insulation resistance, meeting China market access requirements for electrical safety.

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CE+TรœV Mark

Dual Certification

Surpasses EU standards by 15% in electrical safety indicators via TรœV Rheinland testing, suitable for industrial equipment exports.

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CQC Energy Conservation

Environmental Certification

Complies with GB/T 23331 energy management system with standby power consumption โ‰ค0.5W, supporting green supply chain goals.

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IATF 16949:2016

Automotive Quality Management

Achieves PPMโ‰ค50 defect rate control, passing vehicle vibration (20G impact) and salt spray (96h) dual verification.

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IP68

Waterproof Protection

Passes 30-minute submersion test at 1m depth with dust penetration โ‰ค1mg/mยณ, suitable for underground mines and outdoor energy storage systems.

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ISO 14001:2015

Environmental Management

All waterproof connectors comply with ISO environmental standards, meeting ESG certification requirements for multinational enterprises.

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PSE (Diamond)

Electrical Safety Law Certification

Products pass 1008-hour high temperature and humidity test (85ยฐC/85%), ensuring equipment safety in Tokyo Bay's salty climate.

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TรœV Rheinland EMC

Electromagnetic Compatibility

Products pass CISPR 32 Class B radiation testing (30MHz-6GHz band), ensuring 5G base station equipment meets EMC standards.

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SAA AS/NZS 60335

Australian Standards

Products pass Australian creepage distance verification (minimum 8mm) with V-1 fire rating, suitable for inland desert environments with 60ยฐC daily temperature variations.

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National High-Tech Enterprise

Innovation Recognition

Over 200 connector patents (invention and utility models), with R&D investment exceeding 10%, mastering IP68 waterproof connector core technologies.

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VDE0620-1

Electrical Safety Certification

Products pass 150N mechanical strength test and 3kV withstand voltage test, meeting German Industry 4.0 equipment plug-in durability requirements.

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ISO 9001:2015

Quality Management System

Established SPC process control system (CpKโ‰ฅ1.67), achieving precise control of connector terminal coplanarity at +0.05mm.

Professional Waterproof Connector Solutions

Discover LLT Tech's superior IP68 waterproof connector solutions with 26+ years of innovation excellence. As a National High-Tech Enterprise established in 1998, we specialize in high-reliability industrial connection systems with 40+ core patents in waterproof connector technology. Our products serve 100+ industries from outdoor landscape lighting and agricultural systems to precision robotics and embodied humanoid applications, all supported by our 125,000mยฒ digital production facilities.

Core Technology

Our IP68-rated waterproof connectors achieve 10,000+ hour MTBF with AI vision inspection systems ensuring micron-level precision control.

Global Quality

Products certified by UL, TรœV, CE and ISO standards, with our T-type underwater connector system operating at 20m depth for 1000+ hours.

Industry Solutions

Strategic focus on NEV connectors, industrial equipment, and rail transit with comprehensive "precision mold-cable-injection-integration" system.

๐Ÿ” Browse Our Product Range โ†’ ๐Ÿ› ๏ธ Explore Custom Solutions โ†’
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8-Hour Engineering Response Our engineering team provides rapid custom IP68 connector solutions across all industries.
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Custom Waterproof Solutions 26 years expertise in adapting to specialized industry requirements with high versatility.
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Contact Our Engineers Get a free design consultation for your specialized connector requirements.

Industries We Serve With Custom IP68 Connectors

Landscape Lighting Agricultural Systems Industrial Robotics Precision Sensors Drone Technology Embodied Humanoid Outdoor Equipment Marine Applications

Product Categories

Waterproof Connector Series

M8 Waterproof Connector

M8 Waterproof Connector

IP68/IP69K rated compact connectors ideal for sensors and control systems in wet environments.

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M12 Waterproof Connector

M12 Waterproof Connector

Industry standard weather-tight connectors with superior resistance to moisture, dust and vibration.

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M14 Waterproof Connector

M14 Waterproof Connector

Heavy-duty, rugged connectors designed for use in extreme outdoor environments with excellent sealing properties.

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M15 Waterproof Connector

M15 Waterproof Connector

Compact and versatile connectors suitable for marine, automotive, and industrial applications.

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M16 Waterproof Connector

M16 Waterproof Connector

Durable connectors for power, signal, and data transmission in challenging environments.

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M18 Waterproof Connector

M18 Waterproof Connector

High-performance connectors designed for outdoor and industrial applications, offering robust sealing capabilities.

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M19 Waterproof Connector

M19 Waterproof Connector

Advanced waterproof solutions for demanding environments requiring reliable connectivity in wet or hazardous conditions.

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M20 Waterproof Connector

M20 Waterproof Connector

Premium connectors that guarantee high sealing performance for industrial machinery and heavy-duty applications.

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M22 Waterproof Connector

M22 Waterproof Connector

Large diameter connectors ideal for high-power applications that demand excellent resistance to environmental factors.

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M25 Waterproof Connector

M25 Waterproof Connector

Heavy-duty waterproof connectors for high-current, industrial-grade applications in harsh environments.

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RJ45 Waterproof Connector

RJ45 Waterproof Connector

Ruggedized Ethernet connectivity for outdoor networks and industrial automation applications.

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Metal Waterproof Connector

Metal Waterproof Connector

Premium metal waterproof connectors designed for robust industrial and outdoor use.

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Custom Waterproof Connectors

Custom Waterproof Connectors

Tailored solutions for unique waterproof connection needs in diverse industries and applications.

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Industrial Connector Series

M29 Industrial Connector

M29 Industrial Connector

High-performance connectors for factory automation systems with excellent EMI/RFI shielding.

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M45 Industrial Connector

M45 Industrial Connector

Heavy-duty connectors for high-current applications in harsh industrial environments.

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Photovoltaic & Energy Storage Solutions

T/Y-Type Solar Branch Connectors

T/Y-Type Solar Branch Connectors

Optimize solar panel arrays with reliable weatherproof branching solutions that maximize energy efficiency.

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M29/M35 Photovoltaic Connector

M29/M35 Photovoltaic Connector

Weather-resistant connectors designed for the reliable interconnection of photovoltaic panels in solar arrays.

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LPL-300A Push-Pull Connector

LPL-300A Push-Pull Connector

High-current connectors designed specifically for energy storage systems with innovative push-pull locking mechanism.

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Self-Locking Energy Storage Connector

Energy Storage Self-Locking Connectors

Secure connection solutions for battery storage systems that prevent unintended disconnection.

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T/Y-Type M Three-Way Combination

T/Y-Type M Three-Way Combination

Advanced three-way combination connectors for optimized power distribution in complex photovoltaic installations.

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T/Y-Type M Assembled Series

T/Y-Type M Assembled Series

Field-assemblable T/Y-type connectors offering flexibility and ease of installation for solar array configurations.

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LPL-500A Push-Pull Connector

LPL-500A Push-Pull Connector

Extra high-current push-pull connectors rated for 500A applications in large-scale energy storage systems.

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LPLE Push-Pull Connector

LPLE Push-Pull Connector

Enhanced push-pull connector series with improved ergonomics and reliability for critical energy storage applications.

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LUG/LC08 High Current Connector

LUG/LC08 High Current Connector

Robust high-current connectors designed for secure power transmission in renewable energy systems.

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LT63 Metal Circular Connector

LT63 Metal Circular Connector

Premium metal circular connectors providing exceptional durability and performance for new energy applications.

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Need a Custom Solution?

With 26 years of experience in connector manufacturing, our engineering team can develop custom solutions for your specific application needs.

Contact Our Engineering Team