Power Dynamics Inc: HEC and HEC2 Harsh Environment Connectors

Power Dynamics Inc. waterproof harsh environment series HEC and HEC2 are designed for rugged indoor and outdoor applications, and feature easy to use and assemble components. All are highly resistant to UV rays, chemicals, and shock/vibration. Both series feature bayonet locks for easy locking and unlocking.

The HEC series consists of a keyed multi-pin configuration that includes 3 power and 4 signal plus ground. The contacts are rated up to 20A, 400V UL and 25A VDE with signal contacts 3A, 60Vmax. The mated connectors are rated for immersion beyond 1m (IP68) and protected from steam-jet cleaning (IP69K).

The HEC2 series are miniature connectors rated up to 2A, 175V and have 8 contacts. The receptacle remains waterproof (IP67) while unmated. The contacts are sealed in a touch-proof design, providing even more protection from debris and rugged use.


  • Capless IP67 rating (receptacle) unmated
  • Up to 20A per contact (UL)
  • Power and signal contacts
  • 1000 minimum mating cycles
  • Bayonet lock


  • Compatible with wire sizes in the range 30 AWG to 10 AWG
  • 5000 minimum mating cycles
  • Up to 2A per contact
  • 8 contacts
  • Bayonet lock

HEC and HEC2

  • Instrumentation
  • Robotics
  • Industrial control
  • Test and measurement
  • Agriculture
  • Transportation
  • Security