250 MCM 3C MV-105 Interlocked Armored Power Cable 15kV PVC Jacket
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250 MCM 3C MV-105 Interlocked Armored Power Cable 15kV PVC Jacket
Description:
• 3 copper conductors
• Thermosetting conductor shield
• EPR insulation
• Thermosetting insulation shield
• Tape shield
• Copper ground wire
• Aluminum armor
• PVC Jacket
Application:
• Aerial installations
• Open trays
• Direct burial
• Troughs or continuous rigid
• Metal racks cable supports
These cables are capable of operating continuously at maximum conductor temperature of 105°C for normal operation, 140°C for emergency overload conditions, and 250°C for short circuit conditions, and are rated at 15,000V, 133% insulation level (ungrounded system).
Also Known As:
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Standards:
Manufactured and tested in accordance with the latest revisions of ICEA Pub. No. S-68-516, NEMA Pub. No. WC8, AEIC No. 6, and UL 1072. Passes IEEE 1202 (70,000 Btu/hr) and ICEA T-29-520 (210,000 Btu/hr) vertical cable tray flame tests.
Construction:
• Conductor: The conductor shall be Class B compressed concentric stranded bare copper in accordance with ASTM B3 and B8 and ICEA Part 2, Section 2.1 and 2.5.
• Conductor Shield: The conductor shall be shielded with an extruded semi-conducting thermosetting polymeric layer, which shall be firmly bonded to the insulation. The thickness shall be in accordance with the referenced standards.
• Insulation: The insulation shall be EPR (ethylene propylene rubber) meeting the requirements of the referenced standards. The average thickness shall be 0.220″ and the minimum spot thickness shall be not less than 90% of the average thickness.
• Insulation Shield: The insulation shall be shielded with an extruded semi-conducting thermosetting polymeric layer which shall be identified as semi-conducting. Over this layer shall be applied helically-wrapped 5-mil copper tape.
• Grounding Conductor: The ground conductor shall be Class B compressed concentric stranded bare copper in accordance with ASTM B3 and B8.
• Assembly: The insulated and shielded power conductors shall be cabled round with fillers and with a grounding conductor in one outer interstice and covered with a binder tape.
• Armor: A single strip of interlocked armor of aluminum shall be applied over the assembly.
• Jacket: The cable shall be covered with a red PVC jacket conforming to the requirements specified for polyvinyl chloride in ICEA. The average thickness shall be in accordance with the referenced standards and the minimum spot thickness shall be not less than 80% of the average thickness. The jacket will be sunlight resistant and will meet the requirements of the IEEE 1202 (70,000 Btu/hr) and ICEA T-29-520 (210,000 Btu/hr) vertical cable tray flame tests. Optional non-halogen jacket is available.
• Identification: Manufacturer’s identification shall be printed on the jacket
• Available Alternatives: In order to meet the IEEE 383 vertical tray flame test modified to 210,000 Btu, a special PVC jacket and binder tape beneath the armor are used.
Scope:
This specification covers three conductor EPR (ethylene propylene rubber) insulated, shielded, interlock armored, thermoplastic jacketed power cables with grounding conductor for use in aerial installations, metal racks, open trays, troughs, or continuous rigid cable supports. These cables are capable of operating continuously at a temperature of 105°C for normal operations, 140°C for emergency overload conditions, and 250°C for short circuit conditions, and are rated at 15,000V, 133% insulation level (ungrounded system).
Specifications:
• Size: 250 MCM
• Conductor Diameter (inch): 0.558
• 0.220″Insulation Thickness (inch): 1.075
• Grd. Min. Cond. Size: 3 AWG
• Extruded Insulation Shield Diameter (inch): 1.175
• Armored Diameter (inch): 2.928
• Jacket Thickness (inch): 0.075
• Approx. O.D.(inch): 3.103
• Allowable Ampacity: Direct Burial= 410, In Air= 400
• Approx Net Weight (lbs)/Mft : 5177
