LLT Connector

Circular Waterproof Connector Specialist

Circular Waterproof Connector & Energy Storage Connector Manufacturer

LLT Connector focuses on circular waterproof connector and high-current DC energy storage connector solutions, with rich cable connector and customized cable harness capabilities including daisy-chain assemblies.

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Waterproof Circular Connectors 28 products Waterproof Panel Mount Connector 21 products Waterproof Cable Connector 11 products 20A Waterproof Connectors 11 products Waterproof Male Female Connector 10 products High Current Waterproof Connectors 10 products Pre-branched Connector 9 products Waterproof Power Connector 9 products Waterproof Data Connector 9 products Multi Pin Connectors Waterproof 9 products

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M19 Self-Lock Connector Demo

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Featured Connector Products

Representative product families for engineering selection, project comparison, and procurement planning.

LLT IP68 Waterproof 3 Pin Front Wire To Board 20A Circular Connectors For LED Display thumbnail

M19 Threaded

LLT IP68 Waterproof 3 Pin Front Wire To Board 20A Circular Connectors For LED Display

Description of IP68 Waterproof connectors Screw locking waterproof connector is a great choice for your application, thanks to its thread locking structure, the protection level could meet IP68. If you are looking for IP68 waterproof connectors, screw locking M19 connectors will be a perfet option. it is widely used in outdoor LED lighting, Agricultural Grow Lights,marine electronics, and industrial automation systems.
LLT IP67 M29 50Amp High Current Waterproof Connectors High Current Power Connectors thumbnail

M29 Threaded

LLT IP67 M29 50Amp High Current Waterproof Connectors High Current Power Connectors

Description This M29 waterproof power Connector has a waterproof rating of IP67. To assemble the M29 Outdoor Waterproof Connector,only a Philips Screwdriver is required to attach the two wires inside each main body. Once each side is connected, the wiring is fully protected from the elements. Once assembled, the M29 Outdoor Waterproof Conector is easy to plug and play while keeping the elements and water out of splices and junctions. To disconnect, just unscrew the main body and pull apart the two ends.The M29 Waterproof conector has multiple waterproofing levels, consisting of o-rings, waterproof sealant, and flexible end seals designed to tighten and close when screwed together.
LLT M45 3 Pin High Current Waterproof Connectors For Base Station Communication Equipment thumbnail

M45 Threaded

LLT M45 3 Pin High Current Waterproof Connectors For Base Station Communication Equipment

Description This M45 waterproof power Connector has a waterproof rating of IP67.Its is very popular in New 5G Base station Application. To assemble the M45 Outdoor Waterproof Connector,only a Philips Screwdriver is required to attach the two wires inside each main body. Once each side is connected, the wiring is fully protected from the elements. Once assembled, the M45 Outdoor Waterproof Conector is easy to plug and play while keeping the elements and water out of splices and junctions. To disconnect, just unscrew the main body and pull apart the two ends.The Waterproof conector has multiple waterproofing levels, consisting of o-rings, waterproof sealant, and flexible end seals designed to tighten and close when screwed together.
LLT M12 2 Pin Waterproof Male Female Connector IP68 Circular Plastic Connectors For Lighting thumbnail

M12 Threaded

LLT M12 2 Pin Waterproof Male Female Connector IP68 Circular Plastic Connectors For Lighting

The M12 Waterproof Aviation Connector provides a secure, industrial-grade seal for power signal connections. M12 robust connector set is built for performance and longevity. It features a high-strength PA66 Nylon shell and gold-plated brass hardware to ensure optimal signal and power transmission. With IP68 waterproof rating and a wide operating temperature range of -40°C to 105°C, it is the perfect solution for outdoor LED lighting, Agricultural Grow Lights,marine electronics, and industrial automation systems. Voltage/Current: 110V / 10A for 2-4Pin,60V 5A for multi Pin Pin Configuration: 2-8Pin (Male/Female set) Materials: PA/Nylon Housing, Gold-Plated Brass Pins Interface: AC/DC Compatible
LLT M19 Electric Circular 2 Pin Male Female Waterproof Connector For Underwater Lights thumbnail

M19 Push-Lock

LLT M19 Electric Circular 2 Pin Male Female Waterproof Connector For Underwater Lights

The M19 Waterproof Aviation Connector provides a secure, industrial-grade seal for power connections. Designed for ease of use, the solderless screw terminal design allows you to create professional-grade, weatherproof connections in minutes, saving significant time during field installations and repairs. This robust connector set is built for performance and longevity. It features a high-strength PA66 Nylon shell and gold-plated brass hardware to ensure optimal signal and power transmission. With an IP68 waterproof rating and a wide operating temperature range of -40°C to 105°C, it is the perfect solution for outdoor LED lighting, marine electronics, and industrial automation systems. Voltage/Current: 600V / 20A for 2-4Pin,100V 5A for multi Pin Pin Configuration: 2-18Pin (Male/Female set) Materials: PA/Nylon Housing, Gold-Plated Brass Pins Cable Range: Φ6.3mm to Φ11mm Interface: AC/DC Compatible
LLT M19 IP67 Waterproof Male Female Connector 3 Pin Push Lock Type Wire Connector thumbnail

M19 Push-Lock

LLT M19 IP67 Waterproof Male Female Connector 3 Pin Push Lock Type Wire Connector

* IP67 rating * Current rating: 20A * Voltage rating: 600V * Cable Range: 6~11mm * Accepted Max. Cable OD: 11 mm * Field installable, soldering or screw connection * UL, TUV, SAA, CCC, CE, RoHS approved * High quality with 12 months waranty * Pin range: 2-18pin M19 robust connector set is built for performance and longevity. It features a high-strength PA66 Nylon shell and gold-plated brass hardware to ensure optimal signal and power transmission.
LLT M12 Push Lock Overmolded Cable 12V 2 Pin Male And Female Connectors Nylon Shell For Outdoor Light thumbnail

M12 Push-Lock

LLT M12 Push Lock Overmolded Cable 12V 2 Pin Male And Female Connectors Nylon Shell For Outdoor Light

M12 robust connector set is built for performance and longevity. It features a high-strength PA66 Nylon shell and gold-plated brass hardware to ensure optimal signal and power transmission. With IP68 waterproof rating and a wide operating temperature range of -40°C to 105°C, it is the perfect solution for outdoor LED lighting, Agricultural Grow Lights,marine electronics, and industrial automation systems. Voltage/Current: 110V / 10A for 2-4Pin,60V 5A for multi Pin Pin Configuration: 2-8Pin (Male/Female set) Materials: PA/Nylon Housing, Gold-Plated Brass Pins Interface: AC/DC Compatible
LLT M12 4 Pin Screw Type Waterproof Male Female Circular Cable Connectors thumbnail

M12 Threaded

LLT M12 4 Pin Screw Type Waterproof Male Female Circular Cable Connectors

M12 robust connector set is built for performance and longevity. It features a high-strength PA66 Nylon shell and gold-plated brass hardware to ensure optimal signal and power transmission. With IP68 waterproof rating and a wide operating temperature range of -40°C to 105°C, it is the perfect solution for outdoor LED lighting, Agricultural Grow Lights,marine electronics, and industrial automation systems. Voltage/Current: 250V / 15A for 2-4Pin,100V 5A for multi Pin Pin Configuration: 2-12Pin (Male/Female set) Materials: PA/Nylon Housing, Gold-Plated Brass Pins Interface: AC/DC Compatible
LLT M19 Push Lock Waterproof 5 Pin Male Female Connector Assembly Type For Landscape Lights thumbnail

M19 Push-Lock

LLT M19 Push Lock Waterproof 5 Pin Male Female Connector Assembly Type For Landscape Lights

The M19 Waterproof Aviation Connector provides a secure, industrial-grade seal for power connections. Designed for ease of use, the solderless screw terminal design allows you to create professional-grade, weatherproof connections in minutes, saving significant time during field installations and repairs. This robust connector set is built for performance and longevity. It features a high-strength PA66 Nylon shell and gold-plated brass hardware to ensure optimal signal and power transmission. With an IP68 waterproof rating and a wide operating temperature range of -40°C to 105°C, it is the perfect solution for outdoor LED lighting, marine electronics, and industrial automation systems. Voltage/Current: 600V / 20A for 2-4Pin,100V 5A for multi Pin Pin Configuration: 2-18Pin (Male/Female set) Materials: PA/Nylon Housing, Gold-Plated Brass Pins Cable Range: Φ6.3mm to Φ11mm Interface: AC/DC Compatible

Brand Profile

This is LLT

LLT Connector has built mature connector engineering capability across new energy, robotics, telecom, industrial infrastructure, and precision sensing applications.

1999

Founded

Established connector engineering and manufacturing foundation.

56.72 million US Dollar

2025 Revenue

Annual global sales scale across multi-industry projects.

562

Employees

Cross-functional engineering, manufacturing, and service team.

5

Manufacturing Bases

Multi-site production and delivery capability.

0%

Regrind Material Use Ratio

Strict material quality control baseline.

Engineering and Manufacturing Focus Areas

  • Circular waterproof connector engineering with project-level customization.
  • Energy storage high-current DC connector architecture for ESS platforms.
  • Daisy-chain and custom cable harness integration for complex system wiring.
  • Stable mass-production quality workflow and global delivery support.

Manufacturing, Engineering, and Quality Confidence

LLT pages are structured to help engineering, sourcing, and project teams validate execution capability before RFQ and sample release.

RoHS REACH UL2238 UL1977 CE TUV-LVD CQC ASS

Latest News

Recent company and product updates relevant to ongoing industrial projects.

Common Project Questions

What is LLT Connector best known for?

LLT Connector is known for waterproof circular connectors, energy storage connectors, and customized cable harness connector solutions for OEM and industrial projects.

Can LLT provide customized cable connector and daisy-chain harness solutions?

Yes. LLT supports custom connector and cable harness development, including daisy-chain layouts, overmolding options, structure customization, and project-based connector integration.

Which industries use LLT waterproof and high-current connectors?

Typical applications include energy storage systems, outdoor lighting, industrial automation, inspection devices, robotics, and other harsh-environment equipment.