STA Underground Power Cable YJV22 Armoured Electrical Cable Copper XLPE

YJV22 is a 0.6/1kV low-voltage power cable commonly used in underground or mechanically sensitive stationary lines. Its typical construction features stranded copper conductors and XLPE insulation, followed by an inner protective layer, steel tape armor (STA), and a PVC outer sheath. This armor layer is chosen to enhance the cable's resistance to pressure from backfill soil, conduit loads, and pressure points such as line entrances, manholes, and transition points.

• Typical Rated Voltage: 0.6/1 kV
• System Applications: Low-voltage distribution feeders and sub-feeders (fixed installation)
• Frequency: Typically used in 50/60Hz project systems

• Underground conduits and cable trenches in commercial and industrial sites
• Protective trench laying in corridors of campuses, factories, and utilities
• Incoming lines from transformer areas to main low-voltage switchboards
• Indoor-outdoor transitions requiring higher mechanical strength
• Cable corridors and galleries expected to withstand line loads and tensile stresses

• If your Bill of Quantities (BOQ) requires Low Smoke Halogen-Free (LSZH): Select the WDZ model
• If your Bill of Quantities (BOQ) requires fire resistance: Select the NH/fire-resistant model
• If the cable needs to be repeatedly bent or moved: Select a flexible cable

• Conductor: Copper stranded wire
• Insulation: XLPE
• Inner layer: Protective inner sheath or padding (depending on standard)
• Armor: Steel tape armor (STA)
• Outer sheath: PVC
• Installation type: Fixed, especially suitable for protected underground lines

1. Copper Conductor Stranding
   The stranding method is controlled to ensure resistance stability and maintain good bending performance during wiring and pulling.
2. XLPE Insulation Extrusion and Cross-linking
   The insulation layer is formed to provide stable dielectric properties for low-voltage power distribution.
3. Core Identification and Layup
   Cores are identified and assembled in a controlled geometry to improve roundness and reduce traction friction.
4. Padding/Inner Sheath Formation
   A protective layer is applied to the shielded insulated cores, providing a smooth base for the armor layer placement.
5. Steel Tape Armoring
   Steel tape is wound in a controlled overlap manner to improve compressive strength and resistance to external pressure.
6. PVC Outer Sheath and Marking
   The sheath protects the armor structure and provides traceability through printed markings.
7. Routine Inspections
   Common inspections include conductor resistance, insulation thickness control, spark testing, voltage testing, dimensional inspection, and sheath integrity.

• 1C High-Current Feeder (Phase Separate Wiring)
• 2C Single-Phase Feeder Circuit
• 3C Three-Phase Circuit (No Neutral, Design Varies)
• 4C Three-Phase with Neutral Distribution
• 5C Three-Phase with Neutral and Protective Power Distribution (Design Varies)
• 3+1 and 3+2 Feeder Structures Used in Many Bills of Quantities (BOQs)

1.5 2.5 4 6 10 16 25 35 50 70 95 120 150 185 240 300 400

• 4C x 10 4C x 16 4C x 25 4C x 35 4C x 50
• 5C x 10 5C x 16 5C x 25 5C x 35
• 3 cores x 10 3 cores x 16 3 cores x 25
• 1 core x 95 1 core x 120 1 core x 150 1 core x 185 1 core x 240

1. Confirm required standards and acceptance tests listed in the Bill of Materials (BOQ)
2. Confirm installation path: Cable Trench, Conduit, Protective Trench, Corridor, Inlet
3. Select core configuration based on neutral and PE design
4. Select cross-section based on current, distance, grouping, ambient temperature, and voltage drop limitations
5. Determine preferred reel length to reduce joints and speed up installation
6. Note special conditions: Water immersion, chemical environment, rodent risk, impact risk, or direct burial requirements

• Product: YJV22
• Voltage: 0.6/1 kV
• Core Configuration: __
• Cross-section and Quantity: __
• Total Length: __ meters
• Installation Path: Cable Trench / Conduit / Protective Trench / Corridor / Incoming Line
• Required Standards: __
• Destination: Country and Port: __
• Trade Terms: __
• Preferred Drum Length: __
• Required Documents: __
• Remarks: Markup Language, Delivery Schedule, Inspection Requirements

JinHong cable packaging is provided in the form of wooden reels, corrugated boxes, and coils. The cable ends are sealed with BOPP self-adhesive tape and a non-hygroscopic sealing cap to protect the cable ends from moisture. We can print the required marks on the outside of the barrel with waterproof material according to customer requirements.