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PowerGuard® Cu 15 kV 100% TR-XLPE Full CN LLDPE UL Type MV-90_Test 1616

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PowerGuard® cables are intended for use in wet or dry locations for distribution of single or three phase medium voltage power. These cables may be installed in ducts, exposed to sunlight or direct buried.

Single conductor cable with filled strand copper conductors, true-triple extrusion, dry cured insulation system consisting of a thermosetting semiconducting conductor shield, high dielectric strength tree-retardant crosslinked polyethylene (TR-XLPE) insulation, thermosetting semiconducting insulation shield, copper concentric neutral wires, water blocking agents, black encapsulating linear low density polyethylene (LLDPE) jacket.
Conductor:
Compressed concentric stranded copper. Stranded conductors are water-blocked with conductor filling compound.
Conductor Shield:
Extruded thermosetting semiconducting cross-linked polyethylene (XLPE) shield which is free stripping from the conductor and bonded to the insulation.
Insulation:
Extruded, Tree-Retardant Crosslinked Polyethylene (TR-XLPE) - 100% insulation level.
Insulation Shield:
Extruded thermosetting semiconducting cross-linked polyethylene (XLPE) shield with controlled adhesion to the insulation providing the required balance between electrical integrity and ease of stripping.
Metallic Shield:
Solid bare annealed copper wires helically applied and uniformly spaced.
Water-blocking agents:
Applied over the insulation shield and around the concentric neutral wires to resist longitudinal water penetration. Longitudinal water penetration shall be tested in accordance with the latest edition of ICEA T-34-664 except that the minimum requirement is 15 psig for 1 hour.
Outer jacket:
An extruded-to-fill black non-conducting linear low density polyethylene (LLDPE) jacket, meeting the physical requirements of Table 1, when tested by the methods specified in ANSI/ICEA S-94-649. The jacket shall be free-stripping and not interfere with an intimate contact between the neutral wires and the underlying extruded insulation shield. The jacket is sunlight resistant and marked. The jacket shall contain a print legend marking, sequential length (meter or feet) marking and three longitudinal extruded red stripes.

Table 1
Physical Properties of Extruded-to-Fill LLDPE Jacket
Unaged Tensile Strength, minimum (PSI) 1700
Aged* Tensile Strength, minimum retention (%) 75
Unaged Elongated, minimum (%) 350
Aged* Elongated, minimum retention (%) 75
Heat Distortion 1 hr at 100 ºC, maximum (%) 30

*Aged for 48 hrs at 100 ºC

Temperature Rating
Insulated Conductor and Shield Wire Temperature Ratings
Normal:	90 ºC
Emergency*:	130 ºC
Short-Circuit – Insulated Conductor:	250 ºC
Short-Circuit – Shield Wires:	200 ºC

*Operation at the emergency overload temperature shall not exceed 1500 hours cumulative during the lifetime of the cable.

Standards
ASTM B3 – Soft or Annealed Copper Wire
ASTM B8 – Concentric-Lay-Stranded Copper Conductors, Hard, Medium-Hard, or Soft
ICEA S-94-649 – Concentric Neutral Cables Rated 5 Through 46 kV
ICEA T-31-610 – Test Method for Conducting Longitudinal Water Penetration Resistance Tests on Blocked Conductors
ICEA T-34-664 – Test Method for Conducting Longitudinal Water Penetration Resistance Tests on Longitudinal Water Blocked Cables
ICEA P-45-482 – Short Circuit Performance of Metallic Shields and Sheaths on Insulated Cable
AEIC CS8 – Extruded Dielectric, Shielded Power Cables Rated 5 Through 46 kV
UL 1072 – Medium-Voltage Power Cables

UL listed as Type MV-90 – File E476447

Country
USA

8 September 2021

Image
MV CU XLPE CN

Notes:

Dimensions and weights are subject to standard manufacturing tolerances and are subject to change without notice.
Cables are manufactured, tested and marked to meet or exceed the requirements in ANSI/ICEA S-94-649 for concentric neutral cables rated 5-46 kV and the latest revision of AEIC CS8.
Migration of soil moisture away from the cable is more likely at the higher operating conductor temperature and can result in an increase in soil thermal resistivity, resulting in an increase in conductor and soil temperature.