18/30 Kv or 19/33 Kv XLPE Insulated Single Core Cables with Aluminium Conductor

Product Parameters

Available in two voltage classes:

• 18/30kV grade: Rated voltage Uo/U(Um)=18/30(36)kV

• 19/33kV grade: Rated voltage Uo/U(Um)=19/33(36)kV

Conductor range: 50mm² to 1000mm²
Continuous operating temperature: 90℃
Short-circuit temperature: 250℃ (max 5s)
Minimum bending radius: ≥15×cable diameter

Key Features

1. Superior Electrical Performance:

• Partial discharge <10pC

• Withstands 45kV AC for 30min

• Lightning impulse withstand 125kV

2. Structural Advantages:

• Single Core design eliminates circulating currents

• 40% lighter than copper counterparts

• Double-layer screening ensures field control

3. Environmental Resistance:

• Waterproof version available

• UV-resistant LLDPE sheath

• Tree-retardant XLPE compound

Typical Applications

• Urban Underground Cable networks

• Industrial park power distribution

• Wind farm collector systems

• Large commercial complex power supply

• Shore connection systems for ports

Construction Details

Conductor: IEC 60228 Class 2 stranded Al
Insulation: Super-clean XLPE, 3.4-16mm thick
Screening:

• Inner: Ultra-smooth semicon

• Outer: Copper tape + drain wire
  Sheath: Black LLDPE, 2.5-4.0mm thick

Manufacturing Process

• Produced on CCV catenary lines

• Triple-layer extrusion (conductor screen/XLPE/insulation screen)

• Electron-beam crosslinking technology

• Fully automated online monitoring

General Product Information

Packaging & Shipping

• Reels: Steel-wood construction, 2.0-3.5m diameter

• Protection: Sealed ends + impact guards

• Markings: Voltage, size, length, net weight

• Transport: Flatbed trucks or container shipping

Ordering & Samples

• Standard sizes: In stock, delivery within 10 days

• Custom sizes: 30-day lead time

• Samples: 5m free samples available

• MOQ: 100 meters

Quality Assurance

• Warranty: 36 months from shipment

• Testing: Complete type test reports provided

• Support: Free installation design service

• Response: 24/7 technical consultation