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บ้าน > ศูนย์ผลิตภัณฑ์ > สายไฟที่หุ้มฉนวนเหนือศีรษะ > SIP Cable 4*16 4*25 4*10
SIP Cable 416 425 4*10
1. Introduction
The SIP Cable series, encompassing 4×10mm², 4×16mm², and 4×25mm² configurations, represents a breakthrough in three-phase 600V power distribution systems. Designed for seamless integration in industrial and commercial environments, these Pre-Assembled Cables combine four Insulated Conductors within a single protective jacket, eliminating the need for on-site assembly and reducing installation time by up to 40%.
Crafted with high-purity 1350-H19 Aluminum Conductors (61% IACS conductivity) and XLPE insulation, the SIP Cable series delivers tailored performance across its range: 50A for 4×10mm², 70A for 4×16mm², and 100A for 4×25mm², all operating at 90°C. Their Stranded Conductor design—featuring 7 to 19 strands—ensures exceptional Flexibility, while a flame-retardant PVC outer sheath provides robust protection against environmental hazards.
This comprehensive guide explores the engineering excellence of the SIP Cable series, from its individual conductor construction to its integrated jacket design. We’ll examine its electrical and mechanical properties, compliance with international standards, installation methodologies, and real-world applications, demonstrating why it has become the preferred choice for engineers and contractors seeking reliable, cost-effective three-phase power solutions.
2. Conductor Design: Stranded Aluminum Construction
Each SIP Cable variant features a precision-engineered stranded conductor configuration:
  • 4×10mm² Configuration: Four 10mm² conductors, each composed of 7 strands of 1.3mm diameter 1350-H19 aluminum, delivering:

  • 50A continuous current at 90°C

  • 65A short-term current at 130°C

  • 950N breaking force per conductor

  • 2.1kg/m total cable weight

Ideal for light industrial machinery, commercial building subpanels, and small-scale renewable energy systems.
  • 4×16mm² Configuration: Four 16mm² conductors, each with 7 strands of 1.6mm diameter 1350-H19 aluminum, providing:

  • 70A continuous current at 90°C

  • 90A short-term current at 130°C

  • 1,450N breaking force per conductor

  • 2.8kg/m total cable weight

Suitable for medium-sized industrial equipment, commercial HVAC systems, and three-phase lighting circuits.
  • 4×25mm² Configuration: Four 25mm² conductors, each consisting of 19 strands of 1.3mm diameter 1350-H19 aluminum, offering:

  • 100A continuous current at 90°C

  • 130A short-term current at 130°C

  • 2,200N breaking force per conductor

  • 3.5kg/m total cable weight

Designed for heavy-duty industrial machinery, large commercial building distribution, and renewable energy installations.
All conductors feature a concentric stranding pattern with a 12× lay length, which:
  • Enhances flexibility compared to solid conductors

  • Reduces skin effect by 20% at 60Hz

  • Improves resistance to fatigue from thermal cycling

  • Facilitates easier termination with standard lugs

This stranded design ensures the cables can be installed in tight spaces while maintaining optimal electrical performance.
3. Insulation System: XLPE Performance
Each conductor in the SIP Cable series is individually insulated with high-performance cross-linked polyethylene (XLPE):
  • Material Properties: 1.2mm thick XLPE insulation delivering:

  • 20kV/mm dielectric strength, ensuring safe operation at 600V

  • -40°C to 90°C continuous operating temperature range

  • Excellent resistance to water, oils, and industrial chemicals

  • Superior thermal stability under load cycling conditions

  • Manufacturing Process: The XLPE insulation undergoes:

  • Peroxide cross-linking for enhanced mechanical and thermal properties

  • Precision extrusion to ensure uniform thickness (±0.1mm tolerance)

  • 100% spark testing at 10kV during production

  • Post-extrusion curing to eliminate residual stresses

  • Insulation Performance Metrics:

  • Volume resistivity: >10¹⁴ Ω·cm

  • Dielectric loss tangent: <0.001 at 60Hz

  • Insulation resistance: >100MΩ/km at 20°C

  • Flame resistance: Self-extinguishing per UL 94 V-0 standard

  • Color Coding System: Individual conductors feature industry-standard color identification:

  • Phase L1: Brown

  • Phase L2: Black

  • Phase L3: Grey

  • Neutral: Blue

This standardized color coding simplifies phase identification during installation and maintenance.
The XLPE insulation system ensures each conductor remains electrically isolated and mechanically protected within the integrated cable structure.
4. Outer Sheath: PVC Protection
The integrated outer sheath provides comprehensive protection for the bundled conductors:
  • Material Composition: Flame-retardant PVC compound with:

  • 1.6mm thickness (4×10mm²) to 2.0mm thickness (4×25mm²)

  • UL 94 V-0 flammability rating

  • UV stabilizers for outdoor applications

  • Anti-rodent additives for industrial environments

  • Sheath Performance Characteristics:

  • Tensile strength: >16MPa

  • Elongation at break: >200%

  • Impact resistance: Passes -40°C impact test (1kg weight, 1m drop)

  • Abrasion resistance: >10,000 cycles per Taber test (CS-10 wheel, 1kg load)

  • Environmental Protection:

  • Water resistance: IP66 rating when properly terminated

  • Ozone resistance: No cracking after 1,000 hours at 50ppm ozone

  • Weathering resistance: <30% tensile strength loss after 1,000 hours of UV exposure

  • Jacket Construction:

  • Co-extruded over the insulated conductors in a single pass

  • Bonded to individual insulations to prevent core migration

  • Uniform wall thickness for consistent protection

  • Smooth outer surface for reduced pulling friction

This robust PVC Sheath ensures the integrated cable can withstand the rigors of installation and operation in demanding environments.
5. Electrical Performance: Three-Phase Excellence
The SIP Cable series delivers exceptional electrical performance for 600V three-phase systems:
  • Voltage Rating: 600V phase-to-phase, 347V phase-to-neutral, suitable for:

  • Three-phase 480Y/277V commercial systems

  • Three-phase 208Y/120V industrial systems

  • Three-phase 600V delta industrial systems

  • DC systems up to 600V

  • Current-Carrying Capacity:

The 4×10mm² variant provides 50A continuous current at 90°C and 65A short-term current at 130°C. The 4×16mm² model delivers 70A continuous current at 90°C with 90A short-term at 130°C. The 4×25mm² cable offers 100A continuous current at 90°C and 130A short-term at 130°C. All ratings assume 30°C ambient temperature, with derating factors available for higher temperatures.
  • Voltage Drop Characteristics:

  • 4×10mm²: <3% at 50A over 45-meter runs

  • 4×16mm²: <3% at 70A over 60-meter runs

  • 4×25mm²: <3% at 100A over 75-meter runs

These low voltage drops ensure efficient power delivery to connected equipment.
  • Short-Circuit Withstand Capability:

  • 4×10mm²: 15kA for 5 seconds

  • 4×16mm²: 20kA for 5 seconds

  • 4×25mm²: 25kA for 5 seconds

This withstand capability provides sufficient time for protective devices to clear faults.
  • Electromagnetic Compatibility:

  • Low EMI emissions due to balanced conductor geometry

  • Immunity to external electromagnetic fields

  • No significant interference with sensitive electronics

  • Compatible with power quality monitoring systems

These electrical properties make the SIP Cable series ideal for reliable three-phase power distribution in commercial and industrial environments.
6. Mechanical Properties: Durability and Flexibility
The SIP Cable series combines robust mechanical properties with impressive flexibility:
  • Physical Dimensions:

  • 4×10mm²: 14.2mm outer diameter, 2.1kg/m weight

  • 4×16mm²: 16.8mm outer diameter, 2.8kg/m weight

  • 4×25mm²: 19.5mm outer diameter, 3.5kg/m weight

  • Flexibility Parameters:

  • Minimum bend radius (fixed installations): 8× outer diameter

  • Minimum bend radius (dynamic applications): 12× outer diameter

  • Minimum bend radius (low-temperature installations): 16× outer diameter

This flexibility allows installation in tight spaces and around obstacles.
  • Tensile and Pulling Characteristics:

  • Overall cable breaking force: 4,200N (4×10mm²) to 9,800N (4×25mm²)

  • Safe pulling tension: 10% of breaking force

  • Maximum allowable sidewall pressure: 5kN/m

  • Recommended maximum pull length: 150 meters

  • Environmental Operating Range:

  • Operating temperature: -40°C to 90°C

  • Storage temperature: -50°C to 100°C

  • Humidity resistance: 95% relative humidity at 40°C for 1,000 hours

  • Altitude rating: Up to 2,000 meters without derating

These mechanical properties ensure the SIP Cable series can be installed and operated in diverse environmental conditions with confidence.
7. Installation Methodologies: Integrated Efficiency
The pre-assembled design of the SIP Cable series offers significant installation advantages:
  • Conduit Installation: Compatible with all standard conduit types:

  • EMT (Electrical Metallic Tubing)

  • PVC conduit (Schedule 40 and 80)

  • Rigid metal conduit

  • Intermediate metal conduit

The smooth outer sheath reduces pulling friction by 30% compared to non-integRated Conductors.
  • Cable Tray Installation: Ideal for:

  • Ladder trays in industrial facilities

  • Solid-bottom trays in commercial buildings

  • Wire mesh trays in data centers

  • Busway systems in manufacturing plants

  • Direct Burial Applications: Approved for underground installation when:

  • Installed at minimum depth of 600mm (non-traffic areas)

  • Installed at minimum depth of 900mm (traffic areas)

  • Protected by sand bedding and warning tape

  • Terminated in watertight enclosures

  • Outdoor Installation: Suitable for exposed applications due to:

  • UV-stabilized outer sheath

  • Weather-resistant construction

  • Temperature cycling resistance

  • Ozone resistance

  • Termination Process: Simplified by:

  • Factory-cut ends for precise termination

  • Color-coded conductors for easy phase identification

  • Pre-stripped options available for faster installation

The integrated design reduces installation time by 40% compared to using separate conductors, translating to significant labor cost savings.
8. Standards Compliance: Global Recognition
The SIP Cable series meets rigorous international standards:
  • IEC 60502-1: International standard for Power Cables with rated voltages up to 1kV

  • UL 94: V-0 flammability rating for both insulation and sheath

  • RoHS: Compliance with restriction of hazardous substances directive

  • Certifications:

  • UL Listed

  • CSA Certified

  • CE Marked

  • RoHS Compliant

  • ISO 9001 Quality Management System certified

This comprehensive compliance ensures the SIP Cable series can be specified for projects worldwide with confidence in their safety and performance.
9. Application Versatility: Three-Phase Solutions
The SIP Cable series excels in a wide range of three-phase applications:
  • Industrial Facilities:

  • Manufacturing plant machinery power

  • Assembly line three-phase distribution

  • Industrial robot power connections

  • Machine tool electrical systems

  • Warehouse conveyor systems

  • Commercial Buildings:

  • Office tower main distribution

  • Retail center three-phase systems

  • Hotel and resort power distribution

  • Healthcare facility electrical systems

  • Educational institution campus wiring

  • Renewable Energy Systems:

  • Solar farm inverter connections

  • Wind turbine auxiliary systems

  • Battery energy storage interconnections

  • Microgrid three-phase distribution

  • Geothermal system power circuits

  • Infrastructure Projects:

  • Transportation hub electrical systems

  • Sports stadium power distribution

  • Water treatment plant wiring

  • Waste management facility systems

  • Agricultural processing equipment

In each application, the SIP Cable series delivers reliable three-phase power with the added benefits of reduced installation time and material costs.
10. Cost Efficiency: Economic Advantage
The SIP Cable series offers exceptional value throughout its lifecycle:
  • Material Cost Savings:

  • 40% lower material cost compared to equivalent Copper Cables

  • Reduced shipping costs due to 60% lighter weight than copper

  • Lower inventory carrying costs (single product vs. multiple conductors)

  • Reduced waste (precisely manufactured lengths)

  • Installation Cost Reduction:

  • 40% reduction in labor time compared to separate conductors

  • Fewer installation errors due to integrated design

  • Reduced equipment rental time

  • Faster project completion (earlier revenue generation)

  • Lifecycle Cost Benefits:

  • 25-year service life minimizes replacement costs

  • Low maintenance requirements reduce ongoing expenses

  • Energy efficient design reduces power loss by 5-8%

  • Reduced downtime due to reliable performance

  • Total Cost of Ownership:

  • 45% lower than copper cable systems over 25 years

  • 30% lower than traditional multi-conductor systems

  • Fast return on investment (typically within 12-18 months)

These cost advantages make the SIP Cable series an economically superior choice for three-phase power distribution projects.
11. Maintenance and Reliability
The SIP Cable series is designed for long-term reliability with minimal maintenance:
  • Service Life Expectancy:

  • 25 years in normal indoor environments

  • 20 years in outdoor or industrial environments

  • 15 years in harsh or corrosive environments

  • Preventive Maintenance Requirements:

  • Visual inspection every 5 years

  • Thermal imaging every 10 years for critical circuits

  • Torque verification of terminations every 15 years

  • No regular cleaning or treatment required

  • Reliability Features:

  • Reduced failure points compared to multi-conductor systems

  • Consistent manufacturing ensures predictable performance

  • Robust construction resists common failure mechanisms

  • Compatible with standard monitoring systems

  • Repair Capabilities:

  • Splice kits available for section replacement

  • Sheath repair using heat-shrink sleeves

  • Individual conductor repair possible within sheath

  • Compatible with standard testing equipment

This low-maintenance profile ensures the SIP Cable series provides reliable service with minimal ongoing costs throughout its service life.
12. Conclusion
The SIP Cable series (4×10mm², 4×16mm², 4×25mm²) represents the optimal solution for three-phase 600V power distribution, combining the cost efficiency of aluminum with the convenience of pre-assembled construction. By integrating four XLPE-insulated conductors within a flame-retardant PVC sheath, these cables deliver reliable performance while dramatically reducing installation time and labor costs.
Available in three carefully selected sizes, the series provides tailored current capacities from 50A to 100A, ensuring there is a suitable solution for most commercial and industrial three-phase applications. The stranded Aluminum Conductors offer excellent flexibility, while the robust outer sheath provides comprehensive environmental protection.
Compliant with international standards and backed by a 25-year service life expectancy, the SIP Cable series offers 40-45% cost savings compared to copper alternatives while providing equivalent reliability. Its versatility makes it suitable for industrial facilities, commercial buildings, renewable energy systems, and infrastructure projects.
As the demand for efficient, cost-effective three-phase power solutions continues to grow, the SIP Cable series stands ready to meet the challenges of modern electrical distribution, proving that innovative design can deliver both performance and economic advantages.


แท็กที่เกี่ยวข้อง: Insulated SIP Cable SIP Cable 4*16 SIP Cable 4*25
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ติดต่อ Hongtai Cable Technology Co. , Ltd

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


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