Type 450.3 Copper Screened Reeling & Trailing Mining Power Cable 3.3kV

Applications

The Type 450.3 Copper Screened Reeling & Trailing Mining Power Cable is engineered for power supply to mining equipment, designed to handle high mechanical stresses and frequent movement.

It is ideal for use in reeling and trailing applications, providing reliable power to machinery such as excavators, draglines, and shovels in mining operations.

Standards

This cable adheres to the following standards:

- **AS/NZS 2802:2000**: Specifies the requirements for reeling and trailing cables used in mining applications.

- **AS/NZS 1125**: Details the specifications for conductors in insulated electric cables and flexible cords.

- **AS/NZS 3808**: Specifies requirements for insulation and sheath materials for electric cables.

- **AS/NZS 5000.1**: Outlines the general requirements for electric cables.

Construction

- **Conductors**: Flexible stranded tinned annealed copper conductor, providing excellent electrical conductivity and flexibility.

- **Conductor Screen**: Polyester barrier tape ensures electrical insulation and mechanical protection.

- **Insulation**: Insulated with Ethylene Propylene Rubber (EPR), known for its excellent thermal stability and electrical insulation properties.

- **Insulation Screen**: Semiconductive tape enhances electrical safety and performance.

- **Copper Screen**: A layer of copper screening is included to provide electromagnetic compatibility (EMC) and reduce interference, ensuring reliable signal transmission and power delivery.

- **Inner Sheath**: High-quality rubber compound, typically based on PCP, providing robustness and mechanical protection.

- **Overall Core Screen**: Filled and covered with semiconductive PCP, offering additional mechanical and electrical protection.

- **Sheath**: Heavy-duty PCP sheath, which is abrasion and tear-resistant, oil and flame-resistant, providing robust environmental protection.

#### Electrical Parameters

- **Rated Voltage**: 3.3kV

- **Max. Permissible Operating Voltage AC**: 3.6kV

- **Max. Permissible Operating Voltage DC**: 4.95kV

- **AC Test Voltage**: 11kV for 5 minutes

#### Mechanical Parameters

- **Max. Tensile Load**: Designed to withstand high tensile loads, providing durability in dynamic mining environments.

- **Torsional Stress**: ±50°/m

- **Min. Bending Radius**: 6 x cable diameter (proven by flexing tests according to relevant standards)

- **Travel Speed**: Capable of supporting high travel speeds in vertical and horizontal reeling applications.

Advantages

- **Mechanical Durability**: The robust construction, including the heavy-duty PCP sheath and copper screening, ensures the cable can withstand harsh mining conditions.

- **Electrical Safety**: High-quality EPR insulation and semiconductive layers ensure superior electrical insulation and reduce the risk of faults.

- **Flexibility**: Flexible stranded conductors and a well-designed structure make the cable suitable for applications requiring frequent bending and movement.

- **EMC Compliance**: Copper screening reduces electromagnetic interference, ensuring reliable power and signal transmission.

Usage

This cable is particularly suited for reeling and trailing applications in the mining industry, where it provides a reliable power supply to various types of mining equipment.

Its robust design and high mechanical durability make it ideal for use in environments with frequent movement and high mechanical stresses.

In conclusion, the Type 450.3 Copper Screened Reeling & Trailing Mining Power Cable, compliant with AS/NZS standards, is an excellent choice for powering mining machinery. Its robust construction, electrical safety features, and mechanical durability ensure reliable performance in demanding mining operations.

Note: This is just part of the standard parameters of our products. Please contact our Engineer if you need more. And the information contained within this webpage is for guidance only and is subject to change without notice or liability. All dimensions and specifications are nominal and are subject to normal manufacturing tolerances. All pictures shown are for illustration purposes only. The actual product may vary. All the information is provided in good faith and is believed to be correct at the time of publication.