A Stranded Copper Conductors
B Okonite FMR-N Insulation
C Marker Strip
D Flame and Moisture Resistant
Fillers (as needed)
E Cable Tape
F Okolon Jacket
Insulation
Okonite FMR-N is Okonite’s trade name for its heat, moisture, flame and
chemically resistant, mechanically rugged nuclear plant qualified
ethylene-propylene insulation compound. Its physical properties and flame
retardency permit its use without a jacket on the single conductors.
The properties of Okonite FMR-N insulation substantially enhance the well known
features of ethylene propylene rubber insulations.
Nuclear qualified Okonite FMR-N cables meet IEEE Standard - 383 LOCA and flame
test criteria.
Overall Jacket
The overall jacket is a vulcanized chlorosulfonated polyethylene compound. This
combination construction assures circuit security because of its high mechanical
strength and excellent resistance to moisture, ozone, oil and most chemicals.
Applications
Okonite FMR-N Control Cables are recommended for use in either power generating
plants and in substations; designed especially for critical circuits where
continuity of service is of prime importance. This premium quality control cable
is recommended for wet or dry, ac or dc service at conductor temperatures to
90°C. They may be installed in conduits, ducts, cable troughs, trays, messenger
supported, or directly buried in the earth.
Specifications
Conductors: Copper per ASTM B-3, Class B stranded per ASTM B-8.
Insulation: Okonite FMR-N meets or exceeds the electrical and physical
requirements of ICEA S-73-532.
Color Coding: Base colors and tracers per ICEA Method 1 Table E-1 color
sequence shown on reverse of this sheet.
Assembly: Conductors cabled using flame and moisture resistant fillers.
Overall Jacket: The Okolon compound meets or exceeds the requirements of
ICEA S-73-532
Product Features
- Qualified as Class 1E cable.
- Flame retardant - passes the IEEE 383 and 1202 flame test
requirements.
- Quality Assurance traceability.
- 90°C rated control cable, factory assembled for indoor or outdoor
installation in cable trays, in raceways, direct burial in the earth, or
supported by messenger wire.
- Mechanically rugged.
- Flexible, easy to install and terminate.
- Color coded conductors.
- Resistant to water, oil and most chemicals.
- Thermally stable at elevated temperatures.
- High insulation resistance, even at elevated temperatures.
- Small diameter, lightweight.
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