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EGS Quick Disconnect (QDC) Nuclear Electrical Connector
The EGS Quick Disconnect (QDC) Nuclear Electrical Connector is suitable for both Generation 1 and Generation 3 nuclear power plants.
The EGS QDC is a bayonet-style, quick-disconnect connector that can be locked and unlocked with a simple twist. Designed, qualified and manufactured by Curtiss-Wright Nuclear, this lightweight connector can be used with all Rosemount 1150 and 3150 Series Pressure Transmitters.
EGS Quick Disconnect (QDC) Nuclear Electrical Connector


Qualified Life
Connector: 40 years at 150 °F (66 °C); 60 years at 144 °F (62.3 °C)
EPDM O-ring: 10 years at 150 °F (66 °C); EPDM O-ring & Silicone gasket: 25 years at 144 °F (62.3 °C)
Qualification Standard
IEEE 572 – 1985
IEEE 323 – 1974/1983
IEEE 344 – 1987
IEEE 382 – 1980
Product Literature
The Product Data Sheets and Manuals posted on this web-site are intended for general product information only, with errata included. They may not represent the latest revision or contain information relating to recent product notifications, if any.
Contact Information
Please contact Rosemount Nuclear Instruments, Inc. at 1-952-949-5207 or for the most current information available


  • Designed and manufactured by Curtiss-Wright Nuclear with options to factory-mount the QDC to Rosemount 1150 and 3150 Series nuclear pressure transmitters
  • Generation 1 and Generation 3 bayonet style connector for inside and outside containment
  • Lock and unlock the device with a simple twist for easy installation and assembly
  • Stainless steel connector body is small and lightweight for ease-of-use
  • Bayonet-style design allows for inside or outside containment with a visual locking indicator for simple verification
  • Designed under a nuclear quality assurance program to meet NQA-1, 10CFR50 Appendix B, and 10CFR21 requirements


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