TE Connectivity – Heavy-duty circular connectors accept up to 47 contacts in a single shell

TE Connectivity (TE) offers the DEUTSCH HDP20 series of heavy-duty thermoplastic, circular connectors for harsh applications in the construction, mining, marine and agricultural industries.

They feature quick-connect/-disconnect bayonet couplings, silicone seals, and a rear insertion/rear removal contact system. They are offered in two plastic shell sizes and in 19 different configurations providing from 2 to 47 cavities.

The HDP20 series connectors also accommodate contacts of multiple sizes and multiple wire sizes inside a single shell.

DEUTSCH HDP20 connectors are available with several modifications and accessories to enhance design flexibility and to meet an application’s specific needs.


  • Accept contact sizes 4 (100A), 8 (60A), 12 (25A), 16 (13A) and 20 (7.5A)
  • Accept wire sizes in the range 4-22 AWG
  • In-line or flange mount
  • Coupling ring for mating
  • Grommets made of silicone rubber
  • Insert retainers made of rugged unfilled polyethyleneimine (PEI)


  • Trucks and buses
  • Off-highway vehicles
  • Construction equipment
  • Agricultural and forestry equipment
  • Emergency vehicles
  • Recreational boats
  • Motorcycles