Circular Waterproof Connector

Circular Waterproof Connector

The SP21, SP17 and P13 serious are IP68 connectors, threaded coupling.
Compare to SP13/17, SP21 has a larger shell and higher current range, it is a strong and tough connector designed for indoor/outdoor and underwater IP68 environments. It is ideal for any application which needs watertight connection conditions.
Over the years, all employees of the company have consistently pursued the quality strategy and the spirit of excellence. We pay close attention to the development trends of Anodized Aluminum Circular Connector, SP17 IP68 Waterproof Connector, SF10 Brass Shell Connector at home and abroad, and timely penetrate them into the management and development concepts to better serve our customers. Our company will adhere to 'Quality first, , perfection forever, people-oriented, technology innovation' business philosophy. This company is committed to meeting the strict requirements of users for product performance through the rigorous selection of raw materials and formulation adjustments, professional design and precision processing. We will seize the opportunity to meet the challenges.

The SP21, SP17 and P13 serious are IP68 connectors, threaded coupling.

Compare to SP13/17, SP21 has a larger shell and higher current range, it is a strong and tough connector designed for indoor/outdoor and underwater IP68 environments. It is ideal for any application which needs watertight connection conditions.

The connectors can be used for both cable to cable (in-line) and cable to panel-mount connections. Each side can be male or female contact, (Plug or socket versions), the IP68 Sealing caps are available for both cable connector and panel connector.

1) Shell diameter (the panel hole cutout diameter): 21mm

2) Number of contacts: 2 -12 gold plated contacts

3) Rated current and V: 30A-5A, 500V-400V.

4) Cable outer diameter acceptance: type I: 4.5-7mm , type II: 7-12mm

5) CE, ROHS approval


SP21 IP68 Waterproof Connector


Material and spec

 SP21 IP68 Waterproof Connector


SP21 IP68 Waterproof Connector Manufacturer


Weipu Connector is a manufacturer of Circular Connector with well-equipped testing facilities and strong technical force. With a wide range, good quality, reasonable prices and stylish designs. Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs. We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!



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For this reason, we adopt international standards introducing advanced domestic and foreign technical production lines and combining our own rich production experience to ensure Circular Waterproof Connector is scientific with comprehensive functions. We support our purchasers with ideal high-quality merchandise and significant level company. We will focus on issues that leverage our leadership across corporate platforms, service capabilities and partnerships with leading companies.