Qualification Standards

RCC-E K1

Safety-related · Accident conditions (LOCA) · 850 kGy radiation

RCC-E K2

Safety-related · Non-accident · 250 kGy radiation · 40-year life

Class 1E

IEEE 323/344 qualified · NQA-1 · 10CFR50 App.B

Seismic

3g ZPA · 10-2000 Hz vibration · IEEE 344

Temperature

-55°C to +260°C (firewall rated)

Radiation

Up to 850 kGy cumulative (85 Mrad)

YB Series — K2 Qualified Nuclear Connectors

RCC-E K2 qualified. 40-year design life. Stainless steel shell. Radiation-hardened inserts. Safety-related nuclear instrumentation, containment area sensors, transmitters.

Part NumberQualificationContactsShellRadiationLifeApplication
YB-K2-3P-NC1RCC-E K23× #16Stainless Steel250 kGy40 yrContainment sensors, transmitters
YB-K2-7S-NC2RCC-E K27× #20Stainless Steel250 kGy40 yrReactor monitoring, I&C loops
YB-K1-3P-NC3RCC-E K13× #16316L SS850 kGy40 yrLOCA conditions, in-containment
GJB599A Series — Chinese MIL-DTL-38999 for Nuclear

Chinese military standard circular connectors qualified for nuclear I&C. Compatible with MIL-DTL-38999 Series III. Scoop-proof. Triple-start thread.

Part NumberGJB StandardStyleContactsShellApplication
GJB599/20FD35PN-NGJB599A Series IIIWall Mount37 contactsAluminum / NiNuclear I&C cabinets, safety circuits
GJB599/26FD35SN-NGJB599A Series IIIStraight Plug37 SocketAluminum / NiField cabling, detector connections
GJB599/24FD35PN-NGJB599A Series IIIJam Nut Rec.37 PinAluminum / NiBulkhead penetrations, sealed barriers
N1S Series — Compact Nuclear Connectors

Miniature nuclear-rated connectors for space-constrained applications. Seismic qualified. Remote handling compatible.

Part NumberContactsShellSealingApplication
N1S-9P-SS9× #22DStainless SteelIP68Telemanipulators, hot cells
N1S-15S-SS15× #22DStainless SteelIP68Particle accelerators, beam diagnostics
N1S-25P-SS25× #22D316L SSHermeticReactor vessel instrumentation

Nuclear-qualified connector project?

RCC-E K1/K2. Class 1E. Full material traceability. 40-year design life. info@airoadcon.com

All 5 Models

Complete list of Nuclear Power Connectors — click any model for full specifications, pricing, and official manufacturer part numbers (MPN).

2Q Temperature-Rated Nuclear Connectors GJB599A Series — Chinese MIL-DTL-38999 for Nuclear N1S Series — Compact Nuclear Connectors Nuclear Wire Harness — Safety-Grade Cable Assemblies YB Series — K1/K2 Qualified Nuclear Connectors