8N35/8N36 Series
RCC-E K2 Qualified Nuclear Connectors
8N35/8N36
Series connectors are
RCC-E K2
qualified nuclear connectors
with screw coupling mechanism for use inside containment areas of nuclear
reactor building.
K2 Qualified / RCC-E
✓
✓
✓
✓
Qualified for use on safety related equipments
inside reactor building, under normal and
seismic conditions
Temperature range: -10 to +70°C
Radiation: 25 MRads at 20°C
Salt spray resistance: 168h
Operating Basis Earthquake (OBE): 3g ZPA
Safe Shutdown Earthquake (SSE): 6g ZPA
Resistant to harsh environments
Resistant to seism
Field proven
Used in nuclear power plants for more than
40 years
8N35/8N36 Series
RCC-E K2 Qualified Connectors
Description
• RCC-E K2 Qualified Nuclear Grade Connectors
• Screw coupling mechanism
• Design and manufacturing standard:
RCC-E code, 1993 & 2002 edition
Applications
• Safety instrumentation and control equipments
inside reactor building
Technical features
Electrical
• Current rating: 1 A max
1
• Peak current: 50 A/30 ms
• Test Voltage rating: 2000 Vrms
• Insulation Resistance:
≥
5000 MΩ under 500 Vdc
• Contact resistance:
≤
20 mΩ
Mechanical
• Tightening torque: 8.5 Nm
• Endurance: 500 mating / unmating
• Cable clamp resistance:
Traction 50 N /Torsion 0.5 Nm
Environmental
• Temperature range:
-10 to +70°C (+1 to +1
4
58°F)
• Ambient humidity: 75% max
• Dry heat test:
+ 40°C (104°F) / 93% HR / 504h
• Cumulated Radiations:
250 kGy (25 MRads) / 70°C (1
58°F)
• Salt spray resistance: 168 hrs
• Protection against water penetration:
IPX6 (100 l/min, 3 min)
• Qualified lifetime: 40 years
Accident Testing
• Shocks:
- Operating Basis Earthquake (OBE): 3g ZPA
- Safe Shutdown Earthquake (SSE): 6g ZPA
• Vibration (Sine):
5g, 10 to 2000Hz, 3.5 mm
Materials
& Plating
Connector Part
Shells
Stainless Steel
Nickel (locally)
Insulator & grommet
Silicon (8N35)
Glass fuzzed (8N36)
Seals
Silicon
/
Contacts
Copper alloy
Gold over nickel
Material
Plating
/
2
8N35/8N36 Series
RCC-E K2 Qualified Connectors
Features & benefits
Class 1E Safety Connectors
Designed and manufactured according to RCC-E code
8N35/8N36 Series connectors meet the design and manufacturing rules of AFCEN’s RCC-E code, which stands
as one of the major worldwide references for safety electrical equipments of nuclear islands.
K2 Qualified for 40 years operation
8N35/8N36 Series connectors are K2 qualified according to RCC-E, which means they are suitable for use on
safety related equipments inside reactor building, under normal and seismic conditions. The qualified lifetime of
8N35/8N36 Series is 40 years.
Approved Quality Assurance Program
SOURIAU quality assurance program meets International & Nuclear standards:
• ISO 9001: 2000/EN 9100
• ISO 1
7025
• SGAQ DIN-DPN 2004-04
• Q/N/100, Q/N/200, Q/N/300
• KTA 3507
• NQA-1-1994 & NQA-1a-1995
• 10 CFR50 Appendix B
• 10 CFR21
Applications
SOURIAU 8N35/8N36 Series are used on various safety instrumentation and control
equipments inside reactor building:
• Pressure, temperature, level sensors, transmitters, switches...
Field Proven
Used in main power plants
8N35/8N36 Series has been extensively used in more than 60 PWR type nuclear
power plants worldwide, including 900, 1
300, 1
450 MW reactors.
40 years experience
With 40 years of successful usage without any failure experienced in the field,
the 8N35/8N36 Series guarantees a safe and reliable connection inside reactor
buildings.
3
8N35/8N36 Series
RCC-E K2 Qualified Connectors
Overview
Receptacles, Plugs and Back-shells
8N35 Series Sealed Receptacles
(silicone insulators)
8N35 Series Plugs with Back-Shells
Plug-nose
Straight back-shell
Integrated sealing-gland and
cable retention mechanism
Simple
back-nut
Round-flange /
screw-mounted
8N36 Series Hermetic Receptacles
(glass-fused insulators)
Plug-nose
Elbow back-shell
Square-flange /
screw-mounted
Round-flange /
welded
Integrated sealing-gland and
cable retention mechanism
4
8N35/8N36 Series
RCC-E K2 Qualified Connectors
Contact Layouts
Available contact layouts
Layout 21
Layout 26
7 contacts
Ø
1.5 mm
3 contacts
Ø
1.5 mm
Contacts characteristics
Maximum sleeving
diameter
Connector
Type of contacts
Admissible wire section
Small Barrel Contacts: 0.38 to 0.93 mm²
8N35 Series Plugs
and Receptacles
Ø 1.5 mm, Crimp
Large Barrel Contacts: 1.34 to 1.91 mm²
Small Barrel Contacts: 0.38 to 0.93 mm²
3.3 mm
SN2265 Series
Plugs
Ø 1.5 mm, Crimp
Large Barrel Contacts: 1.34 to 1.91 mm²
3.3 mm
8N36 Series
Receptacles
Ø 1.5 mm, Solder
1.91 mm²
3.3 mm
5
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