Circular Connector 4pin Female for Solder

Circular Connector 4pin Female for Solder

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.
In recent years, the application field of SP11 IP68 Waterproof Connector, Connector Coupling Type, Anodized Aluminum Circular Connector has been continuously expanded and the demand for the development of various new series has continued to rise. Our continuous development and improvement means that we are always up-to-date on leading-edge technologies and trends. For further acknowledge, our consultant service group will reply to all of the inquiries and complications immediately. 'To maximize the benefits for customers' is our aim. We focus on product quality and honest service, and sincerely hope to cooperate with our customers for a win-win situation.

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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After years of continuous efforts, we have established a good reputation in the field of Circular Connector 4pin Female for Solder. As always, we will use our mature experience to provide more customers with better products and services. With a professional attitude and excellent quality, we have won the trust and support of our customers as well as a broad and stable market. Our business is to help customers get what they need, and every one of our employees has fully understood this, and our goal is to provide products and service of the same high-quality, which greatly exceed your expectations.