Product Information

Specification

1250 MCM High Voltage Round Copper Wire and Tape Shield XLPE Insulation HDPE Jacket 138 kV

Application:

Transmission and distribution circuits, in cities with high load densities. Also, for Industrial and Commerical installations. May be installed in wet or dry locations indoors or outdoors in conduit and underground ducts.Operating (maximum) voltage: • 69 kV (72.5 kV), 115 kV (123 kV) or 138 kV (145 KV) Maximum conductor operation temperaturesWet and dry locations • Normal: 90 °C • Emergency: 105 °C • Short Circuit: 250 °C

Also Known As:

1250 MCM High Voltage Copper Wire, 1250 MCM 69kV 138kV Wire, 1250 MCM Tape Shield XLPE, 1250 MCM HDPE Jacket Cable, 1250 MCM Copper Wire 138kV, 1250 MCM XLPE Insulated HV Cable, 1250 MCM High Voltage HDPE Wire, 1250 MCM 69kV Copper Cable, 1250 MCM HV Tape Shield Cable, 1250 MCM 138kV XLPE HDPE.

Standards:

• IEC 60840: Power cables with extruded insulation for rated voltages above 30 kV up to 150 kV.
• AEIC CS9: Specifications for extruded insulation power cables and their accessories rated above 46 kV through 345 kV.
• ICEA S-108-720: Standard for extruded insulation power cables rated above 46 kV to 345 kV.

Features:

• True triple vertical extrusion system for optimum insulation concentricity, and excellent electric field control.
• Dry cure process.
• Closed handling of raw materials system to eliminate any contact with ambient, until extrusion process ends.
• Low dielectric losses.
• Metallic shield for ground connection.
• Sunlight resistant jacket

Construction:

• Conductor: Uncoated soft annealed copper, Class B or Class 2 filled stranding compacted round or segmental as per ASTM B496 or IEC 60228 Sizes: 500 kcmil up to 4000 kcmil. On request, unfilled conductor
• Semiconducting Tape: A semiconducting tape may be applied helically with an overlap, as required.
• Conductor Shield: Semiconducting cross-linked polyethylene.
• Insulation: High quality, heat, moisture, ozone and corona resistant, cross linked polyethylene (XLPE).
• Insulation Shield: Semiconducting cross-linked polyethylene.
• Water Barrier: Semiconducting water blocking tape, helically applied over the insulation shield.
• Metallic Shield: Solid, annealed uncoated copper wires per ASTM B3, helically applied and uniformly spaced. A copper tape helically applied over the copper wires, with open helix and water blocking tape.
• Radial Moisture Barrier: A smooth aluminum laminated tape longitudinally applied and bonded to outer jacket.
• Jacket: Black high density polyethylene (HDPE) sunlight resistant thermoplastic compound.On request, semiconducting PE layer.

Specifications:

• Size: 1250 MCM
• Shape: Round
• Number of Strands: 61 
• Conductor Diameter (In): 1.21 
• Insulation Thickness (mil): 810
• Insulation OD (In): 2.99
• Number of Wires: 29
• Size AWG: 13
• Approximate Outside Diameter (In): 3.71 
• Approximate Net Weight lb/ft: 8.1
• Minimum Bending Radius (In): 76
• Maximum Pulling Tension lb: 10,000
• Resistance dc 20 °C Ω/kft: 0.009
• Resistance dc 20 °C Ω/kft: 0.011
• Resistance Capacitance pF/ft: 44.7
• Resistance Charging Current A/kft: 1.34

*Data provided on this page is subject to change based on different manufacturers' variances

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