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Industrial connectors, backshells and contacts

8NA series

Our 8NA series offers nuclear-grade connectors that meet LOCA safety standards. Made from approved materials, they withstand high radiation levels and harsh nuclear environments, complying with RCC-E and IEEE standards. For over 60 years, we've supplied these connectors globally, now used in over 100 nuclear power plants for applications like instrumentation, valve actuation, and primary equipment.

核心功能

  • Class 1E LOCA
  • LOCA RCC-E K1 qualified 
  • Hexagonal screw nut for quick coupling 
  • Flexible and robust metal conduit 
  • Qualified for EPR use
  • High shielding performance 
  • Optimized cabling and easy maintenance (8NA junction boxes) 
  • Multiple inputs and outputs (8NA junction boxes) 
  • Factory wired (8NA6G cabled field plugs)
规格
Coupling nut tightening torque: 5 daN.m
Endurance: 50 mating / unmating
Temperature range: -40 to +85°C (-40 to 185°F)
Temperature peak: +160°C (320°F)
Radiation: 85 MRads "gamma" at 70°C (158°F)
Seismic tests:
Operating Basis Earthquake (OBE): 2g ZPA
Safe Shutdown Earthquake (SSE): 4g ZPA
Loss of Coolant Accident (LOCA):
Temperature envelope: 156°C (313°F) max.
Pressure envelope: 5,6 bars (81 psig) max.
Post accidental conditions: 100°C (212°F) during 240 hrs
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