DP21 Series Industrial Aviation Plug Welding Screw Crimping Waterproof Connector IP68

DP21 series are industrial-grade IP68 waterproof circular connectors with threaded locking and dual waterproof sealing, dustproof, vibration-resistant, and stable in -40℃~+85℃. Available in 2–12 pins, support soldering and screw crimping for easy installation. With flame-retardant PA66 housing and gold-plated contacts, they feature excellent conductivity and anti-oxidation. Compatible with various plugs and sockets, widely used in outdoor lighting, industrial control, engineering machinery and LED equipment.

Product Description

IP68 protection rating, threaded locking, double waterproof seals (inner and outer),
tail locking claws, and enhanced waterproof and dustproof reliability.

  • dp21 cable plug waterproof diagram

Multi-core configuration

  • The DP21 series waterproof connectors are designed with most of the core counts used on the market to meet the application needs of different scenarios.

DP21 series multi-core configuration

  • The DP21 cable plug is available in 2, 3, 4, 5, 5B, 5C, 7, 9, and 12 pin options to meet your needs in different applications (power supply, signal transmission).

Connection method


  • It offers two connection methods: solder connection and screw crimping (no soldering required), ensuring the stability and ease of connection of the wire end, and meeting the needs of efficient and convenient connection in the field of equipment.
  • DP connection method
  • Excellent waterproof performance
  • The DP21 series waterproof connectors feature a dust cover and a stable screw locking device, providing excellent sealing performance when connected. With a waterproof rating of IP68, they effectively protect against water mist and dust corrosion, ensuring the normal operation of industrial equipment in harsh outdoor environments.
  • dp21 cable plug waterproof diagram
  • Exploded elevation view
  • Composed of superior materials: The outer shell is made of thermoplastic PA66, meeting the V-0 flame retardant standard, ensuring it remains non-combustible even under high temperatures and near open flames; the copper pins are gold-plated, offering excellent conductivity and resistance to oxidation.

分解立面图.pngDimensions

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Series Configuration Table

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DP21 Series Configuration Diagram

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Get In Touch

  • Room 106, No. 6 Xixing Street, Chang'an Town, Dongguan City, Guangdong Province
  • [email protected]
  • Whatsapp:+86 13711955863

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