LSZH Low Voltage STA Low Smoke Zero Halogen Cable N2X2Y
Applications
- Industrial Machinery
- Public Infrastructure
- Renewable Energy Systems
- Underground or Duct Installation
- Temporary Power Supply
- Fire-Sensitive Areas
Construction
Conductor: Class 1/Class 2 stranded Copper conductor
Refractory layer: Single sided gold mica tape
Insulation: XLPE
Filler (options): Polypropylene mesh tear rope or flame-retardant filling
Outer sheath: LOSH
Characteristics
Voltage Rating: Uo/U: 0.6/1kV, Um: 1.2kV
Maximum operating temperature of conductor: +90℃
Operating ambient temperature: -15℃ to +55℃
Cable laying temperature: Not less than 0℃ (When ambient temperature is below 0℃, cable should be preheated)
Minimum Bending Radius: Single core: 20D, Multi core: 15D (D is the actual outer diameter of the cable)
Technical Parameters
| No.cores x cross-sec. (mm²) |
Insulation thickness (mm) |
Inner Sheath thickness (mm) |
Sheath thickness (mm) |
Outer Ø approx. (mm) |
Weight approx. (kg/km) |
Current ratings in air 30℃ (A) |
Current ratings buried 20℃ (A) |
| 3 x 35 | 2.5 | 1.3 | 2.3 | 43.5 | 2993 | 144 | 181 |
| 3 x 50 | 2.5 | 1.3 | 2.4 | 46.5 | 3601 | 172 | 215 |
| 3 x 70 | 2.5 | 1.4 | 2.5 | 49.3 | 4368 | 213 | 263 |
| 3 x 95 | 2.5 | 1.4 | 2.6 | 54.3 | 5348 | 261 | 315 |
| 3 x 120 | 2.5 | 1.5 | 2.8 | 57.9 | 6303 | 301 | 358 |
| 3 x 150 | 2.5 | 1.6 | 2.9 | 61.7 | 7405 | 341 | 402 |
| 3 x 185 | 2.5 | 1.6 | 3.0 | 65.4 | 8646 | 392 | 456 |
| 3 x 240 | 2.6 | 1.7 | 3.2 | 70.7 | 10573 | 459 | 527 |
| 3 x 300 | 2.8 | 1.8 | 3.4 | 77.3 | 12779 | 532 | 599 |
| 3 x 400 | 3.0 | 2.0 | 3.7 | 88.1 | 17225 | 624 | 685 |
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Frequently Asked Questions
What does "LSZH" stand for, and why is it important?
LSZH (Low Smoke Zero Halogen) refers to materials that emit minimal smoke and no toxic halogen gases when exposed to fire, enhancing safety in enclosed spaces like tunnels or data centers.
What is the significance of "STA" in this cable?
STA (Steel Tape Armour) provides mechanical protection against physical damage, moisture, and rodent attacks, making it ideal for underground or harsh environments.
What voltage rating does this cable support?
Designed for low-voltage applications, typically rated for 0.6/1 kV, ensuring safe power distribution in commercial and industrial settings.
How does the N2X2Y designation affect cable performance?
N2X2Y indicates a multi-core design with specific insulation and shielding layers, optimizing flexibility and signal integrity for complex installations.
Where is this cable commonly used?
Ideal for public infrastructure (e.g., hospitals, subways) and industrial plants where fire safety and durability are critical.
What are the environmental benefits of LSZH materials?
LSZH materials are non-toxic and recyclable, reducing harmful emissions during fires and aligning with global sustainability standards.
How does STA compare to SWA (Steel Wire Armour) in terms of flexibility?
STA offers better flexibility for tight bends compared to SWA, though both provide robust protection against external stresses.
What certifications should this cable comply with?
Meets international standards like IEC 60332 for flame retardancy and IEC 60754 for halogen-free properties, ensuring global acceptance.
Can this cable be used in outdoor or wet conditions?
Yes, STA armour and LSZH insulation provide resistance to moisture, UV exposure, and soil pressure, suitable for outdoor deployments.
What maintenance practices extend the cable's lifespan?
Regular inspections for armour integrity and avoiding exposure to extreme temperatures or corrosive substances help maintain performance.
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