One-Stop Waterproof Junction Boxes Manufacturer 

Weichat manufactures high-durability IP68 waterproof junction boxes and connectors with complete in-house OEM/ODM capabilities—engineered for demanding applications including solar power, coastal lighting, submersible pumps, water treatment, and industrial systems.

Standard Junction Boxes Model Specs Range：

  • Poles: 2,3,4,5,6,10 Ways
  • Housing Material: PA66
  • Rated Current / Voltage: 40A / 450
  • Wire Section: 0.5~6mm²
  • Protection Level: IP68 (2M/120H)
  • Options: Multiple Sizes & Terminal Types

Need custom sizes, special hole drilling, or higher ratings?

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Featured IP68 Waterproof Junction Boxes

Industrial-grade IP68 waterproof junction boxes engineered for harsh outdoor, coastal, and submersible applications.

 Can’t Find the Exact Junction Boxes Spec or Need a Custom Solution? 

Skip the catalog search. Share your specs, and our engineers will recommend the right waterproof junction boxes or design a custom solution for your project.

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 Why Engineers & Buyers Choose Weichat 

  •  Wide Product Range 

    Waterproof electrical connectors & junction boxes for industrial, lighting, renewable energy, data and power applications.

  •  OEM & ODM Support 

    Custom connector solutions based on your application, drawings, samples and technical requirements.

  • One-Stop Solution 

    Waterproof connector & junction box design, tooling, production and testing supported within one manufacturing system.

  •  Strict Quality Control 

    Multi-stage inspection and testing supported by an in-house laboratory and dedicated testing equipment.

 See Our Manufacturing Strength in Action

  •  200+ Employees 

    Supporting manufacturing, engineering and customer service

  •  30+ R&D Engineers 

    Supporting product development and customization

  •  100+ Production Machines 

    Supporting in-house manufacturing and volume production

  •  20+ Testing Devices 

    For product testing and quality validation

  •  10M+ Sets Annual Capacity 

    Supporting standard and customized production

  •  7,000 m² Manufacturing Facility

    Supporting in-house production and manufacturing operations

 Frequently Asked Questions 

What certifications and compliance standards do your junction box support?

Depending on the product and series, certifications and compliance may include UL/cUL, TÜV, CE, RoHS, SAA and CQC. Our quality management systems include ISO 9001 and other applicable standards.

Can you provide customized waterproof junction box?

Yes. We support custom solutions based on application requirements, drawings, samples and specifications.

What is your process for custom junction box projects?

Our custom connector process typically includes requirement review, solution design, sample development, validation and mass production. Tooling and mold development are also available for customized projects.

What information do you need for a quotation?

To provide you with an accurate factory-direct quote quickly, please share the following details if available:

  • 1. Dimensions & Material: Outer/inner size (L×W×H) and material preference (ABS, PC, Aluminum, etc.).
  • 2. Ingress Protection (IP) & Application: Required rating (e.g., IP65, IP67, IP68) or installation environment (indoor/outdoor/solar/marine).
  • 3. Customization Requirements: Cable gland entry holes (PG/M sizes), pre-installed terminal blocks, DIN rails, or custom colors/logo.
  • 4. Order Quantity: Estimated quantity for sample evaluation or bulk production.

Don't have all details yet? No problem! Simply send us your basic requirements or technical drawings (CAD/PDF), and our engineering team will help recommend the right model and provide a fast quote within 24 hours.

How quickly can I get samples?

Standard sample development can be completed in approximately 3 days, depending on the project.

 Tell Us What You Need 

Looking for a product, sample, quote, or custom solution? Share your requirements and we’ll help find the right solution.