Industrial Waterproof Connector (LP Series)

Direct from Manufacturer

IP68 Protection - high precision, high quality, self-locking device.waterproof for harsh industrial environments
High Current Capacity - Superior conductivity for power transmission up to 30A
Factory Direct Pricing - No middleman markup with flexible MOQ starting low
Fast 5-7 Day Delivery - 600,000 pieces monthly capacity ensures stable lead times
Custom Branding Available - Logo printing and personalized packaging solutions
Global Certifications - TÜV, UL, SAA, CE certified for worldwide compliance

Industrial Waterproof Connector (LP Series) Supplier & Manufacturer

Founded in 2016, AGX®️ is one of the leading individually Industrial Waterproof Connector (LP Series) manufacturers in China, supplying popular LP Series waterproof connectors from 2-pole to 12-poles for high efficiency and low cost.

All our waterproof connectors are CE, RoHS, TUV, UL certificated, ensuring high performance and a long lifetime. We offer customized solutions, OEM, ODM service. Wholesalers, distributors, dealers, traders, agents are welcome to purchase in bulk with us.

Factory Direct Pricing

When you choose AGX as your industrial waterproofconnector (LP Series) supplier, you benefit from our factory direct pricing with no middleman markup. By sourcing directly from the manufacturer, you get the most competitive rates and maximum cost savings for your project.

Customization

We provide OEM service for your industrial waterproofconnector (LP Series), including custom logo printing directly on the connector body, personalized packaging design, and professional labeling services.

Quality Control

Every connector undergoes comprehensive testing through our advanced laboratory equipment, including IP68 waterproof testing, 2500V withstand voltage testing, salt spray corrosion resistance, and flame retardancy tests. Our zero-defect production standards and multi-stage quality control process result in virtually no customer complaints, ensuring premium-grade reliability you can trust.

What is Industrial Waterproof Connector (LP Series) ?

What is LP Series Industrial Connector?

LP Series industrial connectors are circular, waterproof electrical connectors designed for high-precision automatic insertion in demanding industrial environments. These connectors feature IP68 waterproof and dustproof protection, making them suitable for wet, dusty, or harsh operating conditions.

Key Characteristics:

LP Series connectors offer several distinct features that set them apart from standard connectors. They include a self-locking mechanism that ensures stable and reliable connections, while their quick plug-and-pull design allows for simple one-handed operation during installation and maintenance. The connectors feature multi-core design capabilities, enabling simultaneous transmission of power, signals, and data through a single connection point.

The connectors are constructed from high-performance engineering plastics, with metal versions also available for enhanced durability. Gold-plated contacts provide excellent electrical conductivity and reliable signal transmission, ensuring consistent performance over time.

Why Choose Industrial Waterproof Connector (LP Series) ?

High Precision Engineering

Designed for high-precision automatic insertion with optimized mating force for reliable connections. Advanced manufacturing ensures consistent performance in critical industrial applications.

High Quality Materials

Premium copper alloy pins with gold plating and industrial-grade housing materials ensure superior durability. Rigorous quality control delivers virtually zero-defect production standards.

Self-Locking Device

Spring snap-lock mechanism provides secure one-touch connection with audible confirmation. Single-handed operation enables efficient installation while preventing accidental disconnection.

Waterproof Protection

IP68-rated complete protection against water, dust, fire, and UV exposure in extreme environments. Dual seal design ensures reliable operation from desert conditions to underwater applications.

Versatile Applications

Multiple sizes and configurations suitable for industrial automation, marine equipment, and outdoor installations. Flexible design meets diverse power distribution and signal transmission requirements across industries.

Multi-Function Design

Supports simultaneous power transmission up to 20A/500V, data transfer, and signal communication in single connector. Comprehensive solution reduces system complexity and installation costs.

Industrial Waterproof Connector (LP Series) in Various Applications

LP Series connectors are widely used across multiple industries where reliable connectivity is critical. In industrial automation, they provide robust connections for automated manufacturing systems. The new energy sector utilizes these connectors in electric vehicles and renewable energy installations. They’re also commonly found in LED display screens and landscape lighting systems, audio-visual equipment, medical devices requiring safe electrical connections, and precision test and measurement instruments.

Industrial Automation

Robust connections for automated manufacturing systems, sensors, control equipment, and machinery in demanding production environments.

New Energy Systems

Reliable connections for electric vehicles, solar panels, renewable energy installations, and charging infrastructure requiring weather-resistant performance.

Electric Vehicles

Secure electrical connections for EV charging systems, battery management, and power distribution components exposed to harsh automotive conditions.

LED Display Screens

Dependable connections for large-scale LED displays, digital signage, and screen installations requiring stable signal transmission and environmental protection.

Audio-Visual Equipment

Protected connections for professional AV systems, broadcast equipment, and multimedia installations in challenging indoor and outdoor environments.

Medical & Test Equipment

Safe and precise electrical connections for medical devices, precision instruments, and monitoring equipment where reliability and safety are critical.

Wholesale Industrial Waterproof Connector (LP Series)

Model No.

Wire Section

Rated Voltage / Current

Cable Outer Diameter

IP Rating

Fire Rating

contact Part

EW-LP12-2P to 8P
Power Supply: 2/3/4/5Pin
Signal: 6/7/8Pin

2-6Pin: 0.5mm² / 20AWG

7-8Pin: 0.34mm² / 22AWG

2-6Pin: 125V / 5A

7-8Pin: 100V / 3A

5-7mm

IP68

UL 94 V-0

Screw: 2/3Pin

Soldering: 2/8Pin

EW-LP16-2P to 9P
Power Supply: 2/3/4Pin
Signal: 5/7/8/9Pin

2-4Pin: 1.5mm² / 16AWG

5-9Pin: 0.5mm² / 20AWG

2-4Pin: 400V / 10A

5-9Pin: 250V / 5A

7-9mm； 4-6.5mm

IP68

UL 94 V-0

Screw: 2/3/4/5Pin

Soldering: 2-9Pin

EW-LP20-2P to 12P

Power supply：2/3/4Pin

Signal: 5/6/7/9/12Pin

2-4Pin: 2.5~4mm² / 14-12AWG

5-7Pin: 1~1.5mm² / 18-16AWG

9-12-14Pin: 0.34~0.75mm² / 22-20AWG

2-4Pin: 500V / 20A

5-7Pin: 500V / 10A

9-12-14Pin: 0.34~0.75mm² / 22-20AWG

9-12mm； 5-6.5mm

IP68

UL 94 V-0

Screw: 2/3/4/5/6/7Pin

Soldering: 2-14Pin

EW-LP24-2P to 24P
Power Supply: 2/3/4/5Pin
Signal: 10/12/19/24Pin

2-4Pin: 4.0mm² / 12AWG

5Pin: 2.5mm² / 14AWG

10-12Pin: 1.5mm² / 16AWG

19-24Pin: 0.5mm² / 20AWG

2-4Pin: 500V / 25A

5Pin: 500V / 20A

10-12Pin: 400V / 10A

19-24Pin: 250V / 5A

9.5-14mm

IP68

UL 94 V-0

Screw: 2/3/4/5Pin

Soldering: 2-24Pin

EW-LP28-2P to 5P
Power Supply: 2/3Pin
Signal: 3/5Pin

2-3Pin: 10mm²

3-5Pin: 2.5mm² / 6mm²

2-3Pin: 500V / 50A

3-5Pin: 4800V / 32A

16.5-18.5mm； 10.5-16.5mm

IP68

UL 94 V-0

Screw: 2/3Pin

Soldering: 2/3/5Pin

EW-LP12 Series >>

EW-LP12-2P to 8P

(max.0.5mm², 125V 5A)

EW-LP12-2P to 8P

(max.0.5mm², 125V 5A)

EW-LP12-2P to 8P

(max.0.5mm², 125V 5A)

EW-LP12-2P to 8P

(max.0.5mm², 125V 5A)

EW-LP12-2P to 8P

(max.0.5mm², 125V 5A)

EW-LP12-2P to 8P

(max.0.5mm², 125V 5A)

EW-LP12-2P to 8P

(max.0.5mm², 125V 5A)

EW-LP12-2P to 8P

(max.0.5mm², 125V 5A)

EW-LP16 Series >>

EW-LP16-2P to 9P

(max.1.5mm², 400V 10A)

EW-LP16-2P to 9P

(max.1.5mm², 400V 10A)

EW-LP16-2P to 9P

(max.1.5mm², 400V 10A)

EW-LP16-2P to 9P

(max.1.5mm², 400V 10A)

EW-LP16-2P to 9P

(max.1.5mm², 400V 10A)

EW-LP16-2P to 9P

(max.1.5mm², 400V 10A)

EW-LP16-2P to 9P

(max.1.5mm², 400V 10A)

EW-LP16-2P to 9P

(max.1.5mm², 400V 10A)

EW-LP20 Series >>

EW-LP20-2P to 12P

(max.4.0mm², 500V 20A)

EW-LP20-2P to 12P

(max.4.0mm², 500V 20A)

EW-LP20-2P to 12P

(max.4.0mm², 500V 20A)

EW-LP20-2P to 12P

(max.4.0mm², 500V 20A)

EW-LP20-2P to 12P

(max.4.0mm², 500V 20A)

EW-LP20-2P to 12P

(max.4.0mm², 500V 20A)

EW-LP20-2P to 12P

(max.4.0mm², 500V 20A)

EW-LP20-2P to 12P

(max.4.0mm², 500V 20A)

EW-LP24 Series >>

EW-LP24-2P to 24P

(max.6.0mm², 500V 35A)

EW-LP24-2P to 24P

(max.6.0mm², 500V 35A)

EW-LP24-2P to 24P

(max.6.0mm², 500V 35A)

EW-LP24-2P to 24P

(max.6.0mm², 500V 35A)

EW-LP24-2P to 24P

(max.6.0mm², 500V 35A)

EW-LP24-2P to 24P

(max.6.0mm², 500V 35A)

EW-LP24-2P to 24P

(max.6.0mm², 500V 35A)

EW-LP24-2P to 24P

(max.6.0mm², 500V 35A)

EW-LP28 Series >>

EW-LP28-2P to 5P

(max.10mm², 500V 50A)

EW-LP28-2P to 5P

(max.10mm², 500V 50A)

EW-LP28-2P to 5P

(max.10mm², 500V 50A)

EW-LP28-2P to 5P

(max.10mm², 500V 50A)

Industrial Waterproof Connector (LP Series) Videos

How to manufacture Industrial Waterproof Connector (LP Series)

Installing an industrial waterproof connector (LP Series) involves five main steps: preparing the wires by stripping insulation, crimping individual pins onto the prepared wires, inserting the crimped pins into their designated positions in the connector housing until they click into place, and finally assembling the connector halves together with proper tightening to ensure a watertight seal.

How to manufacture Industrial Waterproof Connector (LP Series) ?

Quality starts at the source. Our comprehensive 9-step manufacturing process ensures every LP Series industrial waterproof connector meets the highest standards from initial design to final delivery. With over 200 skilled workers, advanced equipment, and rigorous quality control at each stage, we deliver reliable connectors that perform flawlessly in the most demanding environments.

01 R&D and Design

Our experienced engineering team uses advanced CAD software to design connectors that meet your exact specifications. From initial concept to 3D modeling, we optimize every detail for performance, durability, and ease of installation. This stage ensures the final product perfectly matches your application requirements before moving to production.

02 Mold Development and Manufacturing

Precision tooling is the foundation of quality connectors. Our in-house mold workshop crafts high-precision molds using CNC machining and EDM technology. Each mold undergoes strict dimensional verification to ensure consistent part quality throughout production runs. This investment in premium tooling guarantees long-term reliability and repeatability.

03 Injection Molding Production

State-of-the-art injection molding machines produce connector housings with tight tolerances and excellent surface finish. We use industrial-grade PA66 materials with UV stabilizers and flame retardants for superior environmental resistance. Our organized mold library allows quick changeovers for efficient production of multiple connector configurations.

04 Metal Component Manufacturing

Gold-plated copper alloy pins are precision-stamped using advanced metal forming equipment. Each contact pin undergoes quality inspection to verify dimensions, plating thickness, and electrical conductivity. Our metal workshop houses hundreds of stamping molds, enabling flexible production of various pin configurations from 2-pin to 12-pin designs.

05 Component Assembly

Skilled technicians perform critical sub-assembly operations including wire termination, pin insertion, spring mechanism installation, and waterproof seal assembly. Automated equipment assists with repetitive tasks while manual quality checks ensure proper fit and function of each component before final assembly.

06 Final Assembly

Trained assembly workers combine housing components, install sealing rings, and integrate all sub-assemblies into complete connectors. Each unit is assembled following detailed work instructions to ensure consistent quality. The snap-lock mechanism is tested during assembly to verify proper engagement and retention.

07 Quality Inspection

100% inspection ensures zero defects reach customers. Quality technicians verify waterproof sealing, contact resistance, mating force, and dimensional accuracy against strict specifications. Random samples undergo additional testing including IP68 waterproof verification and voltage withstand tests in our laboratory.

08 Professional Packaging

Automated packaging equipment ensures connectors are protected during shipping while maintaining efficient throughput. Products are packaged in protective materials with clear labeling including specifications, batch numbers, and handling instructions. Custom packaging solutions are available for branded or special shipping requirements.

09 Finished-Product Warehouse

Our modern warehouse facility maintains organized inventory with advanced tracking systems. Color-coded storage racks separate different product lines and configurations for quick order fulfillment. Climate-controlled conditions protect products until shipment, ensuring they arrive in perfect condition ready for immediate use.

Proven Performance in Critical Applications

Customer Success Stories

Our LP Series industrial waterproof connectors deliver exceptional reliability in the world’s most demanding environments, from extreme manufacturing conditions to harsh outdoor installations. These real-world success stories demonstrate how our connectors eliminate downtime, reduce maintenance costs, and ensure continuous operation where failure is not an option.

Industrial Automation - Manufacturing Plant Upgrade

Client: Nordic Steel Processing AB, Sweden
Industry: Steel Manufacturing & Processing
Challenge: Frequent connector failures in harsh factory environments with high temperatures, metal dust, and wash-down procedures causing production downtime and maintenance costs.

Solution: Implemented LP-20 series 4-pin waterproof connectors for motor control circuits and sensor connections throughout the production line. The IP68-rated connectors provided complete protection against industrial wash-down procedures and metal particulate contamination.

Results:

Reduced unplanned downtime by 85% over 18-month period
Eliminated connector-related maintenance calls during scheduled wash-down cycles
Achieved 99.7% uptime on critical conveyor systems
One-touch connection design reduced technician installation time by 60%

“The LP series connectors have been game-changing for our operations. We’ve gone from weekly connector issues to virtually zero failures, even in our most challenging wash-down areas.” – Lars Eriksson, Maintenance Director

Renewable Energy - Solar Farm Installation

Client: SunTech Energy Solutions, California

Industry: Solar Power Generation

Challenge: Large-scale 50MW solar installation requires reliable connections for 12,000+ panels in desert environments with extreme temperature variations, UV exposure, and dust storms.

Solution: Deployed LP-24 series 3-pin connectors for DC power connections between solar panels and combiner boxes. Gold-plated contacts ensured low resistance connections while UV-resistant housing withstood harsh desert conditions.

Results:

Zero connector failures after 3 years of operation in extreme conditions
Maintained 99.2% system efficiency with minimal power losses
Survived temperature cycling from -10°C to +65°C without degradation
Installation time reduced by 40% compared to traditional screw-terminal connections

“After testing multiple connector solutions, the LP series proved to be the most reliable for our desert installations. The snap-lock design and weatherproof sealing have exceeded our expectations.” – Maria Rodriguez, Project Engineering Manager

Custom Industrial Waterproof Connector (LP Series)

We provide comprehensive branding solutions including custom logo printing directly on connectors, personalized packaging, and professional labeling services. Our experienced R&D team ensures your brand identity is perfectly integrated into every product detail, delivering customized solutions that enhance your market presence.

Why wholesale screwless waterproof connectors in bulk from us?

Product Testing-Where Quality Happens

All of our electrical connector are not mass-produced until they have gone through multiple rigorous testing steps in our laboratory equipment. This ensures high performance and stability and the product’s long life.

Waterproof Connector Pull Test – Ensuring Strong, Reliable Connections!

IP68 Waterproof Connector Test: 4M Depth, 2 Hours Waterproof Simulation

2500V Withstand Voltage Test: No Breakdown, Maximum Protection

Glow Wire Test: Ensuring Safety and Durability of Our Connectors

Salt Spray Test: Corrosion Resistance of Our Connectors in Harsh Environments

Certification & Patents

Our LP Series Industrial Waterproof Connector meet stringent international standards with TÜV, UL, SAA, CE, RoHS, and REACH certifications, ensuring global compliance and safety. Additionally, we hold multiple European intellectual property registrations, protecting our innovative designs and demonstrating our commitment to advancing connector technology.

Submit Your Waterproof Connector Request

Fill out this form with your detailed requirements and our technical support team will contact you shortly. We will assign a professional agent to follow up on your project and provide personalized assistance for your screw waterproof connector needs.

To get the fastest response, submit your inquiries using the form. If you encounter any issues with submission, you can also email us directly at cindy@agxconnector.com

Contact Us

Frequently Asked Questions

Q: What makes LP Series connectors different from standard waterproof connectors?

A: LP Series connectors feature a unique one-touch snap-lock design enabling single-handed operation, eliminating the need for threading or complex assembly. They combine IP68 waterproof protection with high current capacity up to 20A/500V, gold-plated contacts for superior conductivity, and industrial-grade materials rated for extreme temperatures and UV exposure.

Q: What pin configurations are available in the LP Series?

A: LP Series offers complete flexibility with 2-12 pin configurations available in both male and female versions. Common configurations include 2-pin, 3-pin, 4-pin, 5-pin, 8-pin, and 12-pin options. Each configuration supports both power transmission and signal communication applications.

Q: Can LP Series connectors handle both power and data transmission?

A: Yes, LP Series connectors are designed for multi-function applications. They can simultaneously handle power transmission up to 20A/500V, low-voltage control signals, and data communication depending on the pin configuration and your specific wiring requirements.

Q: What environmental conditions can these connectors withstand?

A: LP Series connectors are built for extreme environments with IP68 waterproof rating, complete dust protection, UV resistance for outdoor use, flame retardancy meeting UL94 V-0 standards, and operational temperature ranges from -25°C to +85°C. They’re tested for salt spray corrosion resistance and high-pressure water exposure.

Q: How do I determine the correct connector size for my application?

A: Connector sizing depends on your current requirements, cable diameter, and space constraints. LP-12 series handles up to 12A, LP-20 series up to 20A, and LP-24 series for higher current applications. Contact our technical team with your specifications for personalized recommendations.

Q: Are these connectors compatible with existing industry standards?

ratings, UL94 V-0 flame retardancy, and CE certification. While they use proprietary snap-lock technology, they’re designed to integrate seamlessly with standard industrial wiring practices and panel mounting requirements.

Q: What tools are required for installation?

A: Installation requires basic tools: wire strippers, crimping tool for pins, and optionally panel mounting hardware. The snap-lock design eliminates the need for threading tools or complex assembly procedures, making field installation quick and reliable.

Q: Can I get custom cable lengths or configurations?

A: Yes, we offer complete customization including pre-assembled cable assemblies in custom lengths, mixed pin configurations for power and signal, custom jacket colors, and branded connector housings. Our engineering team can design solutions for specific application requirements.

Q: What's the expected lifespan in harsh industrial environments?

A: LP Series connectors are designed for 10,000+ mating cycles with proper maintenance. In continuous harsh environment exposure, they typically provide 10-15 years of reliable service. The gold-plated contacts and corrosion-resistant materials ensure minimal degradation over time.

Q: Do you provide technical support for integration projects?

A: We offer comprehensive technical support including application engineering consultation, custom cable design, installation training, and on-site support for large projects. Our global support network provides local assistance with 12×7 availability for critical applications.