ศูนย์ผลิตภัณฑ์
บ้าน > ศูนย์ผลิตภัณฑ์ > สายไฟที่หุ้มฉนวนเหนือศีรษะ > AWG 4/0 Xhhw Wire Aluminum Xhhw-2 Fr Sr Cable Xlp Insulation Building Wire 600V

ศูนย์ผลิตภัณฑ์

AWG 4/0 Xhhw Wire Aluminum Xhhw-2 Fr Sr Cable Xlp Insulation Building Wire 600V
1. Introduction
The AWG 4/0 XHHW Aluminum Cable stands as a cornerstone in heavy-duty 600V Building Wiring, offering a robust solution for high-current applications in commercial, industrial, and high-rise construction. Available in XHHW-2, FR (Flame Retardant), and SR (Sunlight Resistant) variants, this 4/0 AWG Cable combines the cost efficiency of 1350-H19 aluminum with the durability of XLPE insulation, setting new standards for reliability in demanding electrical systems.
Engineered with a 19-strand conductor design, it delivers 230A continuous current at 90°C (XHHW-2) and 195A at 75°C (standard XHHW), making it ideal for main service entrances, large motor feeds, and heavy-load distribution. Its XLPE insulation—1.8mm thick with 22kV/mm dielectric strength—ensures resistance to chemicals, moisture, and abrasion, while specialized variants address extreme temperatures, fire safety, and UV exposure.
This comprehensive guide explores the cable’s intricate engineering, from its stranded Aluminum Core to its advanced insulation systems, highlighting how each component contributes to its 30-year service life. We’ll examine its compliance with global standards, installation methodologies, and real-world applications, demonstrating why it has become the preferred choice for engineers and contractors seeking high-performance, cost-effective wiring solutions.
2. Conductor Engineering: 19-Strand Aluminum Core
The 4/0 AWG conductor represents a masterpiece of large-gauge aluminum design:

  • Strand Configuration: 19 strands of 2.1mm diameter 1350-H19 aluminum, twisted in a concentric lay pattern with a 16× lay length. This structure:

  • Enhances Flexibility despite the large conductor size (8× OD bend radius)

  • Reduces skin effect by 25% compared to solid conductors at 60Hz

  • Improves resistance to fatigue from thermal cycling in industrial environments

  • Enables easier handling during installation in tight spaces

  • Material Properties: 1350-H19 aluminum alloy (99.5% pure aluminum) delivers:

  • 61% IACS conductivity, ensuring minimal power loss (0.102Ω/km at 20°C)

  • 174MPa tensile strength, supporting 3,800N breaking force

  • Natural oxide layer providing corrosion resistance in damp environments

  • Current-Carrying Capacity:

  • XHHW-2: 230A continuous at 90°C (ambient temperature)

  • Standard XHHW: 195A continuous at 75°C (ambient temperature)

  • Short-term overload: 300A for 1 hour at 130°C (emergency conditions)

These ratings make it suitable for:

  • 600V three-phase main service entrances (up to 300kVA transformers)

  • Large motor feeds (50–100HP)

  • Busway connections in commercial buildings

  • Heavy machinery power circuits in industrial facilities

This conductor design balances high current capacity with the flexibility needed for modern construction environments.
3. XLPE Insulation: Advanced Protection Systems
The cable’s cross-linked polyethylene insulation undergoes specialized treatment for heavy-duty applications:

  • Base Insulation Properties: 1.8mm thick XLPE with:

  • 22kV/mm dielectric strength (exceeding 600V requirements by 3,600%)

  • <0.02% water absorption by weight, ensuring insulation resistance >100MΩ at 1kV

  • Resistance to mineral oils, solvents, and industrial cleaning agents

  • Excellent thermal stability across operating temperatures

  • Variant-Specific Enhancements:

  • XHHW-2: Formulated for -40°C to 90°C operation, with:

  • No embrittlement at -40°C (passes -40°C impact test without cracking)

  • No insulation flow at 90°C (maintains dimensional stability under load)

  • Suitable for cold-storage facilities and desert climates

  • FR (Flame Retardant): Incorporates halogen-free flame inhibitors to:

  • Meet UL 94 V-0 flammability rating (self-extinguishes within 10 seconds)

  • Reduce smoke density (Ds <200 at 4 minutes per ASTM E662)

  • Prevent flame spread in vertical runs (passes UL 1685 vertical tray test)

  • Ideal for high-rise buildings and enclosed spaces

  • SR (Sunlight Resistant): Contains 2.0% carbon black loading for:

  • 10,000-hour sunlight endurance (retains 90% tensile strength)

  • Resistance to ozone degradation in industrial areas

  • Suitable for outdoor installations without conduit (exposed runs)

  • Insulation Integrity: Each cable undergoes:

  • 100% spark testing at 10kV during manufacturing

  • Thermal cycling tests (-40°C to 90°C for 1,000 cycles)

  • Abrasion resistance testing (Taber index <25mg/1,000 cycles)

These quality checks ensure consistent performance across production runs.
This multi-layered insulation system ensures the cable can withstand three decades of harsh conditions with minimal degradation.
4. Electrical Performance: Heavy-Duty Power Delivery
The cable’s electrical specifications are optimized for 600V high-current applications:

  • Voltage Rating: 600V phase-to-phase, 347V phase-to-ground, compliant with:

  • NEC Article 310 (Conductors for General Wiring)

  • IEC 60038 (Standard Voltages)

  • CSA C22.1 (Canadian Electrical Code)

  • Current-Carrying Capacity:

For the XHHW-2 variant, the temperature rating is 90°C, with a continuous current of 230A and an overload capacity of 300A for 1 hour. The standard XHHW has a temperature rating of 75°C, offering a continuous current of 195A and an overload capacity of 250A for 1 hour. Both the FR and SR variants have a 90°C temperature rating, providing a continuous current of 230A and an overload capacity of 300A for 1 hour. Derating factors are available for ambient temperatures exceeding 30°C.

  • Voltage Drop: <2% at full load over 50-meter runs, ensuring stable operation of:

  • Large HVAC systems

  • Industrial machinery

  • Elevator banks in high-rises

  • Data center main feeds

  • Short-Circuit Withstand: 30kA for 2 seconds, providing ample time for protective devices to clear faults without conductor damage.

  • Electromagnetic Compatibility: Low EMI emissions due to:

  • Symmetrical strand configuration

  • Uniform current distribution

  • XLPE insulation’s dielectric properties

This minimizes interference with sensitive electronics in commercial buildings.
These electrical properties make the cable indispensable for heavy-load applications where reliability and efficiency are critical.
5. Mechanical Strength: Built for Heavy-Duty Installation
The cable’s mechanical properties ensure it can withstand rigorous installation and operation:

  • Physical Dimensions:

  • Conductor diameter: 13.2mm

  • Overall diameter (with insulation): 16.8mm

  • Weight: 3.8kg/m

  • Minimum bend radius: 134mm (8× OD) for fixed installations

  • Tensile Performance:

  • Breaking force: 3,800N

  • Safe pulling tension: 1,330N (35% of breaking force)

  • Suitable for 100-meter pulls without intermediate pull points

  • Environmental Resistance:

  • Temperature range: -40°C to 90°C (XHHW-2/FR/SR)

  • Water resistance: IP68 rating when properly terminated

  • Impact Resistance: Survives 10J impact (1kg weight dropped from 1m) at -40°C without insulation cracking, ensuring durability in cold environments.

These mechanical properties make the cable suitable for installation in challenging locations, from industrial warehouses to high-rise building cores.
6. Installation Methodologies: Versatile Application
The cable’s design facilitates installation in diverse environments:

  • Conduit Installation: Compatible with all standard conduit types:

  • EMT (Electrical Metallic Tubing)

  • Rigid metal conduit

  • PVC conduit (Schedule 40/80)

  • HDPE conduit for direct burial

Its smooth XLPE insulation reduces pulling friction by 30% compared to PVC-Insulated Cables.

  • Cable Tray Installation: Ideal for:

  • Ladder trays in industrial facilities

  • Solid-bottom trays in commercial buildings

  • Busway systems in data centers

FR variants meet NFPA 70 requirements for cable tray installations in fire-rated areas.

  • Service Entrance Applications: Approved for:

  • Meter socket connections

  • Main distribution panel feeds

  • Transformer secondary connections

Compatible with standard service entrance equipment and weatherheads.

  • Outdoor Installation: SR variants excel in exposed applications:

  • Exterior wall runs

  • Roof-mounted equipment feeds

  • Industrial yard wiring

  • Solar farm combiner box connections

  • Termination Process: Simplified with:

  • Compression lugs (4/0 AWG aluminum rated)

  • Mechanical lugs with anti-oxidant compound

  • Insulation piercing connectors for tap-offs

Termination time reduced by 25% compared to copper due to lighter weight.
These installation options make the cable a versatile solution for virtually any heavy-duty 600V application.
7. Standards Compliance: Global Recognition
The cable meets rigorous international standards:

  • UL 44: Underwriters Laboratories standard for XLPE-Insulated Cables, verifying insulation performance and dimensional stability.

  • ASTM B230: Specification for 1350-H19 Aluminum Conductors, ensuring consistent electrical and mechanical properties.

  • UL 94: FR variants meet V-0 flammability rating, confirming fire safety performance.

  • IEC 60502-1: International standard for Power Cables up to 30kV, ensuring global compatibility.

  • NEC (NFPA 70): Recognized in Article 310 for general wiring and Article 230 for service entrances.

Compliance with these standards ensures the cable can be specified for projects worldwide, from North American high-rises to European industrial facilities.
8. Applications: Heavy-Duty Wiring Solutions
The cable excels in demanding applications requiring high current capacity:

  • Commercial Buildings:

  • Main service entrances for shopping malls and office towers

  • Elevator and escalator feeder circuits

  • HVAC system main feeds

  • Backup generator connections

  • Industrial Facilities:

  • Large motor feeds (50–100HP)

  • Machinery distribution in manufacturing plants

  • Process control system power

  • Warehouse conveyor systems

  • High-Rise Construction:

  • Floor-to-floor distribution

  • Emergency power systems

  • Fire pump feeds

  • Specialized Environments:

  • Cold-storage facilities (XHHW-2 variant)

  • Chemical plants (resistant to industrial contaminants)

  • Data centers (high-reliability power distribution)

  • Outdoor industrial yards (SR variant)

In each application, the cable delivers reliable performance with minimal maintenance requirements across its 30-year service life.
9. Cost Efficiency: Total Value Analysis
The cable offers exceptional long-term value:

  • Material Costs: 40% lower than equivalent Copper Cables, with:

  • Reduced shipping costs due to lighter weight (3.8kg/m vs. 10.2kg/m for copper)

  • Lower material usage in large-scale projects

  • Elimination of expensive copper theft risks

  • Installation Savings:

  • 25% faster pulling due to lighter weight

  • Reduced labor requirements (2-person crew vs. 3 for copper)

  • Compatibility with standard tools, no specialized equipment needed

These factors reduce installation costs by approximately $200 per 100 meters.

  • Lifecycle Costs: 30-year service life minimizes:

  • Replacement frequency (once vs. 2–3 times for lower-grade cables)

  • Maintenance requirements (visual inspection only every 5 years)

  • Downtime costs (estimated at $1,000/hour for commercial facilities)

  • Energy Efficiency: 61% IACS conductivity reduces line losses by 12% compared to lower-grade aluminum, saving approximately

    0.12/kWh.

These cost advantages make the cable particularly valuable for large-scale projects where material and installation expenses constitute a significant portion of the budget.
10. Environmental and Safety Benefits
Beyond performance, the cable delivers significant environmental and safety advantages:

  • Sustainability:

  • 100% recyclable aluminum conductor (95% energy savings vs. primary production)

  • Lead-free XLPE insulation compliant with RoHS directives

  • Reduced carbon footprint (3.2kg CO₂ per meter vs. 8.7kg for copper)

  • Fire Safety:

  • FR variants self-extinguish within 10 seconds

  • Low smoke emission during combustion (DS <200)

  • Reduced flame spread in vertical installations

  • Worker Safety:

  • Lighter weight reduces installer fatigue and injury risk

  • Smooth insulation prevents cuts during handling

  • Color-coded insulation simplifies phase identification, reducing errors

  • Occupant Safety:

  • Low toxicity emissions during fire events

  • High short-circuit withstand capability prevents catastrophic failures

  • Reliable performance in emergency systems (exit lighting, fire pumps)

These benefits align with modern construction trends toward sustainable, safe building practices.
11. Maintenance and Longevity
The cable’s design ensures minimal lifecycle maintenance:

  • Service Life: 30 years under normal conditions, with:

  • 25-year expectancy in industrial environments

  • 20-year expectancy in coastal/salt air locations

  • Inspection Requirements:

  • Visual inspections every 5 years for:

  • Insulation damage

  • Proper termination integrity

  • UV degradation (SR variants)

  • Thermal imaging every 10 years to identify hot spots

  • Repair Options:

  • Damaged sections can be spliced using 600V Rated junction boxes

  • Insulation repairs with heat-shrink sleeves

  • Partial replacement feasible without full run removal

Repair costs 70% lower than full cable replacement.

  • End-of-Life Management:

  • Aluminum conductor retains 90% of material value for recycling

  • XLPE insulation recyclable through specialized processes

  • Complies with WEEE and EPR directives for responsible disposal

This low-maintenance profile is particularly valuable for large buildings and industrial facilities where access is challenging.
12. Conclusion
The AWG 4/0 XHHW Aluminum Cable represents the pinnacle of heavy-duty 600V wiring solutions, combining the cost efficiency of aluminum with the durability of XLPE insulation. Its 19-strand design delivers 230A current at 90°C while maintaining flexibility for installation in diverse environments, from high-rise building cores to industrial warehouses.
Specialized variants address extreme temperatures, fire safety, and UV exposure, making it a versatile solution for virtually any heavy-load application. Compliance with global standards ensures it can be specified with confidence for projects worldwide, while its 40% cost savings over copper delivers exceptional value.
As the demand for reliable, cost-effective electrical infrastructure continues to grow, this cable stands ready to meet the challenges of modern construction—proof that thoughtful engineering can create products that balance performance, safety, and economy across three decades of service.


แท็กที่เกี่ยวข้อง： Building wires XLPE Insulation Wire Aluminum Wire Cable
การตรวจสอบคุณภาพการผลิต
  • เวิร์กช็อปสายเคเบิล
    เวิร์กช็อปสายเคเบิล
  • อุปกรณ์ถ่ายภาพวัดอัจฉริยะ
    อุปกรณ์ถ่ายภาพวัดอัจฉริยะ
  • โซนอัดรีดเคเบิล
    โซนอัดรีดเคเบิล
  • การประชุมเชิงปฏิบัติการ
    การประชุมเชิงปฏิบัติการ
    • เรียนรู้เพิ่มเติมเกี่ยวกับผลิตภัณฑ์เคเบิล
    ติดต่อ Hongtai Cable Technology Co. , Ltd
    ติดต่อเรา

    Hongtai Cable Technology Co. , Ltd

    อีเมล: export@qlcables.com

               sales@qlcables.com

    โทร/whatsapp:+86-18032066271

    เพิ่ม： เขตพัฒนาอุตสาหกรรม Xiaokou, Ningjin County, Xingtai City， Hebei Province, จีน

    ลิขสิทธิ์© Hongtai Cable Technology Co. , Ltd  การสนับสนุนด้านเทคนิค:เทคโนโลยี Ronglida


    แผนผังไซต์

    เว็บไซต์นี้ใช้คุกกี้เพื่อให้แน่ใจว่าคุณได้รับประสบการณ์ที่ดีที่สุดบนเว็บไซต์ของเรา

    ยอมรับ ปฏิเสธ