Nylon 6/6 Material IP68 Waterproof Connector Box with Compression Seals for Subsea Instrumentation
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Product Highlights
- IP68 Waterproof Rating: Withstands deeper water pressure and longer immersion time for subsea and harsh environments.
- Durable PC/PA66 Material: Constructed from Nylon 6/6 and PC for excellent resistance to corrosion, dust, and impact.
- Comprehensive Certifications: ISO, CE, RoHS, TUV, and CB certified for global safety and quality compliance.
- Flexible Customization: Offers flexible customization options for models, colors, and specific requirements.
- 24-Hour Complaint Resolution: Swift 24-hour resolution promise for any quality complaints to ensure customer satisfaction.
- Easy Installation Design: Simple screw fixation and design holes facilitate quick assembly and line layout.
- Manufacturer Direct Supply: Direct from factory with 25 years of expertise and own exporting license.
Product Attributes
- Type
- Waterproof Junction Box
- Material
- PC/PA66
- IP Rating
- IP68
- Model NO.
- M686-2
- Certification
- ISO, CE, RoHS
- Modelnumber
- M686 Series
- Protection Level
- IP68
- Selling Units
- Single Item
- Sample
- If You Need Sample,We Can Supply for You.
- Product Name
- M686 Series Junction Connector Box
- Color
- Black
- Rated Voltage
- Low Pressure
- Package
- Carton
- Voltage
- 450V
- Current
- 16A
- Temperature Rating
- -40℃~+105℃
- Outer Cable Diameter
- M20: 5-7mm, 7-12mm M16:5-10mm
- Wire Section
- 0.5mm²-6mm²
- Transport Package
- Carton
- Specification
- M686 Series
- Trademark
- JOHNN
- Origin
- Zhejiang, China
- Package Size
- 47.00cm * 32.00cm * 36.00cm
- Package Gross Weight
- 14.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Nylon 6/6 Material IP68 Waterproof Connector Box with Compression Seals for Subsea Instrumentation
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Product Description
We provide a wide range of electrical equipment such as Distribution Box, Junction Box, Circuit Breaker, Solar Connector, Cable Gland, Industrial Plug And Socket, Transparent Protective Window Cover...
| MODEL | PCS/CTN | G.W.(KG) | CTN BOX SIZE(CM) |
| M686-2 | 100 | 14 | 47*32*36 |
| M686-3 | 100 | 15.5 | 46*32*48 |
| M686-4A | 100 | 16 | 46*32*48 |
| M686-4B | 100 | 16.5 | 56*32*48 |
| M686-5 | 100 | 17 | 56*32*48 |
| M686-6 | 100 | 18 | 56*32*48 |
1. Outstanding waterproof and moisture-proof performance
This is the most core advantage of the waterproof connection box. It can effectively prevent liquid from entering through sealing design (such as silicone sealing rings, waterproof rubber strips, etc.) and special materials (such as ABS, PC, nylon and other water-resistant materials). Even in damp environments (such as bathrooms, kitchens), outdoor rain or brief water immersion, it can protect the internal electrical components and circuit interfaces from water damage. Reduce safety hazards such as short circuits and leakage.
The IP67-level waterproof connection box can be immersed in water 1 meter deep for 30 minutes without water ingress, making it suitable for outdoor equipment, underground cable connections and other scenarios. The IP68 rating can withstand deeper water pressure and longer immersion time, meeting the requirements of more demanding wading environments.
In addition to being waterproof, high-quality waterproof connection boxes can also effectively prevent impurities such as dust, sand particles, oil stains, and corrosive gases from entering the interior. If these impurities adhere to electrical interfaces or circuits, they may lead to poor contact, accelerated circuit aging, and even equipment failure. The waterproof connection box provides a relatively clean and stable environment for the internal components, reducing damage caused by external contaminants and thus extending the service life of the connected equipment.
3. Adapt to a variety of harsh environments
Waterproof connection boxes usually have certain
characteristics such as resistance to high and low temperatures, impact, and ultraviolet rays, and can adapt to different extreme environments:
(1).In high-temperature environments (such as industrial workshops and summer outdoors), the material is not prone to deformation or aging.
(2).It is not prone to brittleness or cracking in low-temperature environments (such as outdoors in cold regions).
(3).When used outdoors, it can resist the aging effects caused by wind, rain and direct sunlight.
(4).Some industrial-grade waterproof connection boxes can also resist minor mechanical collisions, protecting the safety of the internal circuits.
Most waterproof connection boxes have a simple design and adopt installation methods such as screw fixation, which are convenient for quick assembly and disassembly. When it is necessary to inspect or repair the internal circuits, the box body can be opened without complex tools, saving maintenance time and costs. Meanwhile, some products also reserve design holes such as outlet holes and fixing holes, facilitating the layout of lines according to actual needs.
5.Enhance the safety of electricity usage
For electrical connections, water and moisture are important factors that can cause safety accidents (such as leakage, short circuits leading to fires, etc.). The waterproof connection box reduces such safety risks from the source by isolating water from electrical components. It is especially suitable for scenarios with high requirements for electrical safety, such as home bathrooms, kitchens, outdoor charging piles, and industrial damp workshops.

ZHEJIANG JOHNN ELECTRICAL Co., Limited
ZHEJIANG JOHNN ELECTRICAL CO.,LTD. is engaged in the production of industrial plug&socket,distribution box,junction box, isolator and electrical accessory, and have relevant patent certificates. JOHNN has passed ISO9001, ISO14001, ISO45001. The products have certifications of CE, ROHS, TUV, CB. JOHNN believes quality is our life, established a professional technical R&D team and skilled staff. At the same time, JOHNN are equipped with advanced production lines and many high-tech equipment. JOHNN also welcome ODM ans OEM orders. JOHNN cherish every cooperation and trust, and sincerely welcome you to work together to create a brilliant tomorrow.
Welcome to check our other products.
Our company is dedicated to providing the reliability of the products and the best service. lt is equipped with modern-production lines, high-quality controlling equipment and well-trained professional experts and workers that can satisfy the users' needs at any time. Our products have passed IS09001 and lS014001 ,Many products have obtained inter-national certifications, such as CB,CE,and TUV.
Warmly welcome clients all over the world to contact us for business cooperation.
Our pledge to excellence is embodied in our promise of swift 24-hour resolution for any quality complaints, nurturing customer satisfaction while driving continuous enhancement.
√ With 25 prolific years of dedicated expertise in the industry, we embody an unwavering commitment to quality and innovative solutions.
√ Spanning an impressive 5000m², our state-of-the-art facility is adeptly equipped to manage diverse production demands with flawless efficiency.
√ Thriving in over 100+ countries, our expansive global reach is a testament to the trust and satisfaction our international clientele repose in us.
OUR PRODUCTION CAPACITY

There are total about 11-50 people in our office.
2. How can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment
3. what can you buy from us?
Industrial Plug&Socket&Connector,Circuit Breaker,Terminal Block,Distribution Box,Junction Box,Solar Connector
4. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,Express Delivery;
Accepted Payment Currency:USD,CNY;
Accepted Payment Type: T/T,L/C,Western Union;
Language Spoken:English,Chinese
7. Why trust in us?
20 years in this industry. It makes us professional. Good credit in this market.
All of our machines are the assurance of our responsibility.
11. More questions are appreciated.
About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR263336". Items marked "" are certified.
Company Profile
ZHEJIANG JOHNN ELECTRICAL Co., Ltd. is engaged in the production of industrial plug&socket, distribution box, junction box, isolator and electrical accessory, and have relevant patent certificates. JOHNN has passed ISO9001, ISO14001, ISO45001. The products have certifications of CE, RoHS, TUV, CB. JOHNN believes quality is our life, established a professional technical R&D team and skilled staff. At the same time, JOHNN are equipped with advanced production lines and many high-tech equipment. JOHNN also welcome ODM ans OEM orders. JOHNN cherish every cooperation and trust, and sincerely welcome you to work together to create a brilliant tomorrow. Our company offers variety of products which can meet your multifarious demands. We adhere to the management principles of "quality first, customer first and credit-based" since the establishment of the company and always do our best to satisfy potential needs of our customers. Our company is sincerely willing to cooperate with enterprises from all over the world in order to realize a win-win situation since the trend of economic globalization has developed with anirresistible force.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- No. 166 Xianglong Street, Nanmingshan Street, Liandu District, Lishui City, Wenzhou, Zhejiang, China
-
Plant Area
- 11301 square meters
-
Number of Employees
- 46
-
Registered Capital
- 5,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays -
Nearest Port
- Ningbo Port
-
Minimum Order Quantity
- 1 Pc
-
Supply Chain Partners
- 2
Our Production Capability & Technical Expertise
- Main Products
- Waterproof Junction Box, Waterproof Distribution Box
-
Production Lines
- 1
-
Production Machines
- Injection molding machine, Assembly line
-
QA/QC inspectors
- 3 people
-
Inspection Type for Finished Products
- 100% inspection(Function inspection & Visual inspection)
-
Inspection Method for Finished Products
- Finished product checked by packing staff
-
Customization Options
- Flexible customization
-
R&D Engineers
- 1 people
-
Traceability of Raw Materials
- No
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2023-03-21
-
Export Year
- 3 Years
- Main Markets
- Southeast Asia, Mid East, Africa
-
Repeat Buyers Choice
- 80%~100%
-
Number of Foreign Trading Staff
- 7
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
Our Certifications, Standards & Industry Recognition
-
Cooperated with Fortune 500
- No
FAQ
- Who are we?
- We are a manufacturer factory based in Zhejiang, China, with our own exporting license, established in 2005.
- How can you guarantee quality?
- We always produce a pre-production sample before mass production and conduct a final inspection before shipment.
- What products can you buy from us?
- We offer Industrial Plug&Socket&Connector, Circuit Breaker, Terminal Block, Distribution Box, Junction Box, and Solar Connector.
- What services can you provide?
- We accept delivery terms like FOB, CFR, CIF, EXW, and Express Delivery, with payment via USD/CNY, T/T, L/C, Western Union, and PayPal.
- Why trust in us?
- We have 20 years of industry experience, good market credit, and all our machines serve as an assurance of our responsibility.
- What is the minimum order quantity?
- The minimum order quantity is 1 piece.
- What are the lead times?
- Peak season lead time is one month, while off-season lead time is within 15 workdays.
- Do you accept customization?
- Yes, we offer flexible customization options for our products.
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