OL28 IP68 Circular Male Female Waterproof Power Electrical Connector Nylon Housing Brass Gold Plating 250V 5-45A Rated Customizable

OLINK OL28 is an IP68 circular male&female waterproof power connector, featuring 250V/380V rated voltage and 5-45A adjustable rated current for diverse high-power supply needs. It adopts gold-plated brass contacts with nickel underplating for low resistance and anti-corrosion, paired with nylon housing, PA66 back shell and PPS insulation material that reach UL94 V-0 fire resistance grade. The connector works stably in -40℃~+100℃, with rich 2P-26P pin configurations, solder/screw crimping dual termination modes and threaded/bayonet connection options, fitting multiple cable OD specifications. Equipped with free dust cover, rubber ring and dual seal rings as standard accessories, it achieves superior dust and moisture protection for harsh outdoor/wet environments. CE and RoHS certified, it also supports full OEM/ODM customization including LOGO, housing, cable harness and mold, ideal for power inverters, outdoor billboards, street lamps and various industrial power devices.

  • Brand:

    OLINK
  • Item no.:

    OL28
  • Payment:

    Wire transfer, Paypal, Western Union, Alipay
  • Product origin:

    China
  • Color:

    Black&Blue
  • Min order:

    10
  • Shipping port:

    Xiamen
  • Lead Time:

    7

  IP67 plastic Waterproof power connector 


 Description of SD28 connector

waterproof wire quick connectors is widely used in outdoor and underwater wire connection.

  • Shell diameter (the panel hole cutout diameter): 28mm
  • Number of contacts : 2 - 26 gold plated contacts
  • Rated current and V : 45A-5A , 380V-250V .
  • Cable outer diameter acceptance: type 15-12mm
  • CE , ROHS approval

  Drawing of Waterproof solder wire connectors  

weipu connectors


 SD28 Connector   SD28 Plu


 SD28 Rear mount socket   SD28 Square socket 

  Pin Arrangement Of SD28 Waterproof Connector

SD28 IP67 wire connector 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.

*If you need more information, you can find customer service through the contact information on the right side of this page.

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