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TTU Cable 600V – AL(AA-8000)/XLPE/PVC – Aluminum Alloy Power Cable for Underground Industrial Applications

TTU Cable 600V – AL(AA-8000)/XLPE/PVC – Aluminum Alloy Power Cable for Underground Industrial Applications
TTU Cable 600V – AL(AA-8000)/XLPE/PVC – Aluminum Alloy Power Cable for Underground Industrial Applications
Основная информация
Место происхождения: Хэбэй, Китай
Фирменное наименование: AA-8000 Power Cable
Сертификация: CCC,ISO,TUV,CE, EAC
Количество мин заказа: Возможен торг
Цена: Подлежит обсуждению
Упаковывая детали: Рулоны, деревянные барабаны, стальные барабаны, катушки или индивидуальные
Время доставки: 7-30 дней в зависимости от количества
Условия оплаты: Л/К, Т/Т, западное соединение
Поставка способности: 100 км в неделю
Лучшая цена Контакт
Подробная информация
Оскорбление: СПЭ огнестойкий: Да
Материал оболочки: ПВХ / ПЭ Дирижер: АА8000 Алюминий
Номинальное напряжение: 0,6/1 кВ

Характер продукции

TTU Cable 600V – AL(AA-8000)/XLPE/PVC – Aluminum Alloy Power Cable for Underground Industrial Applications

Product Overview

The TTU Cable 600V – AL(AA-8000)/XLPE/PVC is a specialized transformer tap unit (TTU) cable designed for secondary distribution networks, transformer connections, and service entrance applications. Rated at 600V, this cable features AA-8000 series aluminum alloy conductor, XLPE insulation, and a PVC outer sheath.

AA-8000 aluminum alloy provides excellent creep resistance, flexibility, and corrosion resistance – making it a reliable and cost-effective alternative to copper for low voltage distribution. The XLPE insulation offers high thermal rating (90°C) and superior dielectric strength, while the PVC sheath provides durability and moisture protection.

Voltage rating: 600V
Conductor material: AA-8000 series aluminum alloy (compact stranded)
Insulation: XLPE (Cross-linked Polyethylene)
Sheath: PVC (Polyvinyl Chloride)
Standards: ASTM B800, ASTM B801, UL 83, UL 44 (optional)

Key Features



Feature Benefit
AA-8000 aluminum alloy conductor Excellent creep resistance, comparable to copper in terminations
XLPE insulation Higher current rating, better thermal stability (90°C continuous)
600V rating Suitable for secondary distribution and transformer tap applications
Lightweight 50% lighter than copper – easier handling, lower installation cost
Compact stranding Improved flexibility, smaller overall diameter
PVC outer sheath Good mechanical protection, moisture resistance, UV resistant (optional)
Corrosion resistant Performs well in various environments


Applications

The TTU Cable 600V – AL(AA-8000)/XLPE/PVC is widely used in:

1. Transformer Tap Units (TTU)

  • Connecting pad-mounted transformers to secondary distribution networks
  • Low voltage side of distribution transformers

2. Secondary Distribution Networks

  • Underground residential distribution (URD)
  • Feeder cables between distribution points

3. Service Entrance

  • Commercial and industrial building service feeds
  • Meter pedestal connections

4. Renewable Energy

  • Solar farm collection systems (low voltage side)
  • Wind turbine auxiliary power connections

5. Industrial & Commercial Power

  • Feeder cables for lighting and power panels
  • Control circuits where aluminum alloy is specified


Construction Details



Layer Material Function
Conductor AA-8000 series aluminum alloy (compact stranded) High conductivity, creep resistance, lightweight
Conductor Shield Semi-conductive layer (optional, depends on voltage) Even electrical stress distribution
Insulation XLPE (Cross-linked Polyethylene) High dielectric strength, 90°C rating
Filler/Binder Polypropylene or paper (multi-core versions) Maintains circular shape
Inner Sheath Optional (for multi-core cables) Bedding for armour or screening
Outer Sheath PVC (Polyvinyl Chloride) Mechanical protection, moisture resistance

Note: TTU cables are typically single-core or multi-core depending on application.


Technical Specifications (Single Core – Typical Values)



Parameter Value
Rated Voltage 600V
Conductor Material AA-8000 series aluminum alloy
Conductor Sizes Available 1/0 AWG, 2/0 AWG, 3/0 AWG, 4/0 AWG, 250 kcmil, 350 kcmil, 500 kcmil, 750 kcmil
Insulation Material XLPE
Insulation Thickness 1.14mm – 2.41mm (depending on conductor size, per UL 44)
Sheath Material PVC (black)
Sheath Thickness 1.14mm – 2.03mm
Operating Temperature -40°C to +90°C (normal), +130°C (emergency overload)
Short Circuit Temperature 250°C (max)
Minimum Bending Radius 5 × overall diameter (single-core)
Flame Test UL 1581 VW-1 (optional)
Sunlight Resistance Optional (UV-stabilized PVC)
Direct Burial Yes, with appropriate installation


Available Sizes & Current Ratings (Single Core, 90°C XLPE, in Duct/Air)



AWG/kcmil Conductor Diameter (mm) Approx. Weight (kg/km) Current Rating (Air, 90°C)
1/0 AWG (53.5mm²) ~8.4 ~150 ~150A
2/0 AWG (67.4mm²) ~9.4 ~185 ~175A
3/0 AWG (85.0mm²) ~10.5 ~230 ~200A
4/0 AWG (107.2mm²) ~11.7 ~290 ~230A
250 kcmil (126.7mm²) ~12.8 ~340 ~255A
350 kcmil (177.3mm²) ~15.0 ~470 ~310A
500 kcmil (253.4mm²) ~17.8 ~670 ~380A
750 kcmil (380.0mm²) ~21.6 ~990 ~475A

Values are indicative. Current ratings depend on installation conditions. Please request official datasheet for exact specifications.

Why Choose AA-8000 Aluminum Alloy Over Copper?



Feature AA-8000 Aluminum Alloy Copper
Weight ~50% lighter Heavier
Cost ~40-50% lower Higher
Creep resistance Excellent (AA-8000 specific) Excellent
Termination compatibility Requires AA-8000 rated lugs Standard lugs work
Corrosion resistance Good Very good
Conductivity (% IACS) ~61% 100%
Flexibility Good (compact stranding) Very good

AA-8000 aluminum alloy is specifically designed for electrical applications and, when properly terminated with compatible connectors, performs reliably equivalent to copper.

Standards Compliance



Standard Description
ASTM B800 Standard specification for AA-8000 aluminum alloy wire
ASTM B801 Standard specification for AA-8000 aluminum alloy conductors
UL 83 Thermoplastic-insulated wires and cables
UL 44 Thermoset-insulated wires and cables (XLPE)
CSA C22.2 No. 38 Aluminum alloy wire and cable (Canadian standard)

Comparison with Standard Aluminum (1350) Conductor



Feature AA-8000 Alloy 1350 EC Aluminum
Creep resistance Excellent (special alloy) Poor (prone to loosening)
Termination reliability High (with proper lugs) Low (requires retorquing)
Flexibility Good (compact stranding) Poor
Conductivity ~61% IACS ~61% IACS
Code compliance Required for most modern applications Not recommended for terminations

Packaging & Delivery

Packaging: Wooden reels, steel reels, or coils (depending on size)

Length per reel: 500m, 1000m, or custom lengths

Lead time: 15–25 days after deposit confirmation

Shipping: Sea freight, air freight, or express courier for sample orders

Why Buy From Us?

  • Direct manufacturer – factory pricing, quality control

  • ISO 9001, CE, RoHS certified

  • Free samples available (shipping cost only)

  • 12-month warranty against manufacturing defects

  • OEM/ODM supported – custom printing, sheath color, packaging

  • Technical support – fast response to technical queries

Frequently Asked Questions (FAQ)

Q: What does TTU cable stand for?
A: TTU stands for Transformer Tap Unit. These cables are specifically designed to connect pad-mounted transformers to secondary distribution networks at 600V.

Q: Why use AA-8000 aluminum alloy instead of standard aluminum?
A: AA-8000 series aluminum alloy is specifically formulated to address the creep and termination issues of standard EC aluminum (1350). It offers excellent creep resistance, making terminations more reliable and maintenance-free.

Q: Can I terminate AA-8000 cable with standard copper lugs?
A: No. AA-8000 aluminum alloy requires connectors specifically rated for aluminum (typically tin-plated or bi-metallic lugs) to prevent galvanic corrosion and ensure proper contact pressure.

Q: Is this cable suitable for direct burial?
A: Yes, the PVC outer sheath provides good moisture resistance. For direct burial applications, we recommend confirming that the specific PVC compound is rated for underground use.

Q: What is the temperature rating of the XLPE insulation?
A: The XLPE insulation is rated for 90°C continuous operation, 130°C emergency overload, and 250°C short circuit conditions.

Q: Do you provide free samples?
A: Yes, we provide free samples of the TTU cable. The customer is only responsible for the shipping cost.

Q: What is the minimum order quantity (MOQ)?
A: MOQ depends on the conductor size. 

TTU Cable 600V – AL(AA-8000)/XLPE/PVC – Aluminum Alloy Power Cable for Underground Industrial Applications 0




TTU Cable 600V – AL(AA-8000)/XLPE/PVC – Aluminum Alloy Power Cable for Underground Industrial Applications 1

TTU Cable 600V – AL(AA-8000)/XLPE/PVC – Aluminum Alloy Power Cable for Underground Industrial Applications 2

TTU Cable 600V – AL(AA-8000)/XLPE/PVC – Aluminum Alloy Power Cable for Underground Industrial Applications 3


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A
A*s
Sri Lanka Nov 12.2025
Полезно (3)
fast delivery and good quality, so as the service
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Professional factory and fast delivery, a pleasant cooperation
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Philippines Aug 21.2025
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perfect
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