Hermetic Connectors

Purpose designed for most Connector types and applications.
Capable of handling extremes of pressure (up to 10,000psi) and temperature cycling.
Typically used in: black boxes, pressure vessels, actuators, valves etc.

EX certified Hermetic connector for Equipment holding pressure from the back.
ATEX, IECEx and EAC certified for Zones 1,2,21 and 21.

  • ​II 2G Ex db llC T6/T5/T4 Gb
  • II 2D Ex tb IIIC T85°C/T95°C/T135°C Db IP66/68
  • Ta = -60 ˚C to +55 ˚C​

Available inserts

  • 4Cx4/0AWG insert C24-R38PR
  • 12Cx10AWG insert 20-375P
  • 19Cx12AWG insert 16-377P
  • 37Cx16AWG insert 16-321P
  • 68Cx16AWG insert 20-313P

Available mounting flanges

  • EX-18-H8 Round flange (up to 200 bars)
  • EX-17-H Square flange (up to 50 bars)


Manufacturing connectors since 1932, we take pride that Amphenol Energy Technologies is an undisputed leader in interconnect systems for harsh environment applications. Such applications require a high degree of engineering sophistication and precision manufacturing capability. Our management system confirms to the Quality standard and is certified ISO 9001:2015