Product Overview
The Type 450 series medium voltage mining cable is engineered to deliver reliable power supply across a wide spectrum of mining applications, from dragline operations to slow reeling scenarios. This cable is specifically designed for applications requiring copper screened cable while maintaining lightweight construction and reduced dimensions. The sophisticated composite screening system provides excellent electrical protection without compromising on weight efficiency, making it an ideal choice for mobile mining equipment where both performance and handling characteristics are critical.
Standards
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AS/NZS 2802:2000 – Electric cables – Reeling and trailing for mining and general use
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AS/NZS 1125 – Conductors in insulated electric cables and flexible cords
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AS/NZS 3808 – Insulating and sheathing materials for electric cables
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AS/NZS 5000.1 – Electric cables – Polymeric insulated – For working voltages up to and including 0.6/1 (1.2) kV
Applications
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Suitable for supply of power to a wide range of applications, from dragline cable to slow reeling applications.
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Ideal where copper screened cable is required but light weight and smaller dimensions are also desired.
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Power supply to mobile mining equipment including draglines, shovels, and continuous miners.
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Industrial applications requiring flexible, copper screened medium voltage cables.
Specifications
| Parameter | Details |
|---|---|
| Voltage Rating | 3.3 kV to 33 kV |
| Medium Voltage | Yes |
| Conductor Type | Flexible stranded tinned annealed copper |
| Insulation | Ethylene Propylene Rubber (EPR) |
| Sheath | Extra-heavy duty Polychloroprene (PCP) |
| Standards | AS/NZS 2802:2000, AS/NZS 1125, AS/NZS 3808, AS/NZS 5000.1 |
| Key Feature | Tinned copper braid composite screen, lightweight design |
Construction
The Type 450 cable features a comprehensive multi-layer construction with advanced composite screening for optimal electrical performance.
| Component | Description |
|---|---|
| Conductors (3×) | Flexible stranded tinned annealed copper conductors. |
| Conductor Screen | Polyester barrier tape plus extruded semi-conductive tape. |
| Insulation | Ethylene Propylene Rubber (EPR). |
| Insulation Screen | Semi-conductive tape applied over insulation. |
| Composite Screen | Tinned annealed copper braiding interwoven with polyester yarn, covered with semi-conductive tape. Provides effective electrical shielding combined with mechanical strength. |
| Filler | Elastomer center filler to maintain circular form. |
| Interstitial Earth Conductors (2×) | CSP (Chlorosulfonated Polyethylene) insulated flexible stranded tinned copper conductors, positioned in interstices. |
| Interstitial Pilot (1×) | EPR-insulated flexible stranded tinned copper conductor, positioned in interstice. |
| Textile Reinforcement | Open-weave braid reinforcement for mechanical strength. |
| Sheath | Extra-heavy duty Polychloroprene (PCP) sheath, providing excellent abrasion, oil, and weather resistance. |
Key Features
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Copper Screened Design: Tinned copper braid composite screen (interwoven with polyester yarn) provides superior electrical shielding and protection.
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Lightweight Construction: Engineered for applications where reduced weight and smaller dimensions are desired without compromising performance.
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Wide Application Range: Suitable for diverse applications from heavy dragline operations to slow reeling scenarios.
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Comprehensive Protection: Multiple screening layers (tape, extruded semi-con, copper braid) ensure electrical integrity and safety.
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Integrated Monitoring: One interstitial pilot conductor enables continuous monitoring of cable integrity.
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Robust Earth System: Two CSP-insulated interstitial earth conductors provide reliable grounding.
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Heavy-Duty Durability: Extra-heavy duty PCP sheath with textile reinforcement delivers exceptional mechanical strength.
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Full Compliance: Manufactured and tested to AS/NZS 2802:2000 and related standards.