AS/NZS 1802 Type 245SF 1.1-3.3 kV Ultra Flexible Mining Trailing Cable for Longwall Shearers and Cable Chain Applications

Overview of AS/NZS 1802 Type 245SF Cable

The AS/NZS 1802 Type 245SF 1.1-3.3 kV cable is an ultra-flexible heavy-duty mining trailing cable specifically engineered for longwall shearers, cable chain systems, and other highly dynamic mobile mining equipment operating in harsh underground environments. Designed to meet the requirements of AS/NZS 1802, this cable combines exceptional flexibility, excellent mechanical durability, flame-retardant performance, and reliable electrical characteristics for demanding mining applications.

Type 245SF cables are particularly suitable for installations requiring tight bending radii, continuous flexing, heavy mechanical impact resistance, and reliable operation under exposure to water, chemicals, and harsh weather conditions.

Key Features of AS/NZS 1802 Type 245SF Mining Cable

• Manufactured in accordance with AS/NZS 1802

• Voltage ratings available:

  • 1.1/1.1 kV

  • 1.9/3.3 kV

• Ultra-flexible construction for cable chain systems

• Designed for longwall shearer trailing applications

• Three power cores + three earth cores + three pilot conductors

• EPR insulated power cores

• Semiconductive screened construction

• Heavy-duty HD-85-PCP outer sheath

• Flame-retardant performance

• Excellent resistance to:

  • Mechanical impact

  • Abrasion

  • Chemicals

  • Temporary water immersion

  • UV and weather exposure

• Operating temperature range:

  • Maximum: +90°C

  • Minimum: -25°C

• Suitable for modern machine monitoring systems through integrated pilot conductors

Typical Applications

The AS/NZS 1802 Type 245SF cable is designed for demanding mining and industrial mobile equipment applications, including:

• Longwall shearers

• Underground mining equipment

• Trailing cable systems

• Cable chain systems

• Mobile mining machinery

• Heavy-duty reeling systems

• Continuous miners

• Underground power distribution

• Flexible machine power supply systems

Its superior flexibility makes it ideal for applications involving repeated bending, twisting, dragging, and dynamic movement.

Cable Construction Details

Conductor

• Flexible tinned copper conductors

• Three power cores

• Three earth conductors

• Three centrally positioned pilot conductors

• Designed for maximum flexibility and fatigue resistance

Conductor Separator Tape

• 1.1/1.1 kV cables: Polyester separator tape where necessary

• 3.3 kV cables: Semiconductive screen

Insulation

• EPR (R-EP-90) insulation

• Durable printed core numbering at intervals below 300 mm

• Black semiconductive insulation screen for phase identification

Screen

• Semiconductive elastomer screen on power cores

Pilot Conductors

• Three extensible pilot conductors located centrally within the cable

• Maximum DC resistance:

  • 3 Ω/100 m for all cable sizes

Earth Conductors

• Three flexible earth conductors

• Covered with semiconductive elastomer

• Positioned in cable interstices for balanced construction

Reinforcement

• Open weave reinforcement layer beneath the sheath

• Improves tensile strength and mechanical durability

Outer Sheath

• Heavy-duty HD-85-PCP sheath

• Excellent resistance to:

  • Abrasion

  • Mechanical damage

  • Chemicals

  • Moisture

  • Weather exposure

Electrical and Mechanical Performance

Flame Retardant Properties

The cable is designed with flame-retardant materials to improve operational safety in underground mining environments.

Flexibility

Type 245SF cables are engineered for exceptional flexibility, allowing reliable operation under:

• Tight bending radii

• Repeated flexing

• Dynamic cable chain movement

• Trailing and reeling operations

Environmental Resistance

Installation Conditions

Type 245SF cables are suitable for installation in:

• Free air

• Duct systems

• Mobile equipment

• Mining machinery

• Cable chain systems

• Underground trailing applications

Advantages of Type 245SF Cable in Longwall Mining

Modern longwall mining systems demand highly reliable and flexible trailing cables capable of enduring continuous movement and severe mechanical stress. The AS/NZS 1802 Type 245SF cable provides several operational advantages:

Enhanced Flexibility

The ultra-flexible construction minimizes conductor fatigue and improves cable life in repetitive bending applications.

Reliable Monitoring Capability

Three integrated pilot conductors support advanced machine monitoring and control systems used in modern mining equipment.

Heavy-Duty Mechanical Protection

The reinforced PCP sheath and semiconductive screened construction provide excellent resistance to crushing, dragging, impact, and abrasion.

Improved Safety

Flame-retardant materials and semiconductive screening improve operational safety in hazardous underground mining environments.

Why Choose AS/NZS 1802 Type 245SF Cable

The Type 245SF mining cable is an ideal solution for operators seeking:

• Long service life

• High flexibility

• Reliable trailing performance

• Excellent mechanical strength

• Stable electrical characteristics

• Compliance with AS/NZS mining cable standards

• Safe operation in demanding underground conditions

Its combination of flexibility, durability, and electrical reliability makes it widely suitable for modern underground mining operations and mobile equipment power systems.