Lead sheathed cable

ZTT HV and EHV underground power cables have excellent electrical properties, intended for use in long-distance power transmission. Costumed with special features on request like flame-retardant, water blocking, anti-termite, etc.

Usually, lead sheath cables perform well at anti-corrosion and waterproof conditions.

STANDARD TAXONOMY

Cables are offered accords with different standards, IEC60840, IEC 62067, AS/NZS.

CONSTRUCTION

Conductor: Copper/aluminum wire, stranded circular or segmental compacted
Conductor screen: Extruded semiconducting layer
Insulation: Cross-linked polyethylene(XLPE)
Insulation screen: Extruded semiconducting layer
Armor: Lead sheath
Outer sheath: HPDE or PVC
Semi-conductive layer: Coated with graphite or extruded semiconducting layer

CHARACTERISTCS

Benefits: Good corrosion resistant, high temperature resistant
Max. continuous temperature in operation: 90℃
Min. bending radius: 20 × OD

Parameters

Voltage – CSA
Rated voltage 66kV and above – Max. 3500mm2
Conductor
Copper/Aluminum
Class 2 stranded (CSA＜800mm2)
Class 2 Milliken (CSA≥800mm2)
Insulation
XLPE(Cross-Linked Polyethylene)
Metal Screen
Copper wire
Barrier Layer
Semi-conducting water blocking tape
Metal Sheath
Lead sheath
Anticorrosive Layer
Pitch
Outer Sheath
PVC(Polyvinyl Chloride)
PE(Polyethylene)
Semi-conducting Layer
Coated with graphite
Extruded semi-conducting layer
Special Features on Request
Flame retardant Cat.A, B, C
Anti termite&rodent
Water blocking

Chongming Island 110MW Fishery-Photovoltaic Complementary Project(Contractor: China state grid)

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Lead sheathed cable

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