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The LSZH 4 Core SWA Armoured Copper Tape Screened Cable is a high-performance low voltage power and control cable rated at 0.6/1kV. It combines steel wire armour (SWA) for superior mechanical protection, copper tape screening for electromagnetic interference (EMI) shielding, and a low smoke zero halogen (LSZH) outer sheath for maximum fire safety.
This cable is specifically designed for installations where human life, sensitive equipment, and fire regulations are critical – such as tunnels, underground railways, airports, high-rise buildings, hospitals, data centers, and industrial plants.
Key Features
LSZH Outer Sheath – Emits minimal smoke and no toxic halogen gases when exposed to fire, ensuring safe evacuation and protecting equipment.
Steel Wire Armour (SWA) – Provides excellent mechanical protection against impact, rodent attack, and digging, making it suitable for direct burial or exposed runs.
Copper Tape Screening – Offers effective shielding against electromagnetic interference (EMI) and radio frequency interference (RFI), ensuring signal integrity for control and instrumentation circuits.
4 Core Construction – Ideal for 3-phase + neutral power distribution or control applications.
XLPE Insulation – High thermal rating (up to 90°C continuously, 250°C under short circuit) and superior dielectric strength compared to PVC.
0.6/1kV Voltage Rating – Compatible with most low voltage power distribution systems worldwide.
Applications
The LSZH 4 Core SWA Armoured Copper Tape Screened Cable is widely used in:
Available Sizes & Current Ratings (4 Core, 90°C XLPE, in Air)
Conductor Size (mm²)
Approx. Overall Diameter (mm)
Approx. Weight (kg/km)
Current Rating (Air, 90°C)
4 × 1.5mm²
~14
~350
~22A
4 × 2.5mm²
~15
~450
~30A
4 × 4mm²
~17
~600
~40A
4 × 6mm²
~19
~800
~52A
4 × 10mm²
~22
~1150
~72A
4 × 16mm²
~25
~1650
~96A
4 × 25mm²
~30
~2400
~125A
4 × 35mm²
~33
~3200
~155A
4 × 50mm²
~37
~4300
~190A
4 × 70mm²
~42
~5900
~240A
4 × 95mm²
~47
~7800
~290A
4 × 120mm²
~52
~9700
~335A
Values are indicative. Please request official datasheet for exact specifications.
Why Choose LSZH + SWA + Copper Tape Screen?
LSZH Outer Sheath In a fire, standard PVC cables release dense black smoke and toxic hydrogen chloride gas. LSZH sheath produces minimal smoke and no halogen gases – saving lives and protecting sensitive electronics.
Steel Wire Armour (SWA) The galvanized steel wire layer protects the cable from mechanical impact, crushing, and rodent attack. It also provides a continuous earth path.
Copper Tape Screen The overlapped copper tape screen rejects electrical noise from nearby motors, variable frequency drives, or power cables – essential for control and instrumentation circuits.
XLPE Insulation XLPE offers higher current ratings, better overload tolerance, and longer service life than PVC. It also withstands higher short-circuit temperatures.
Standards Compliance
Standard
Description
BS 7846
Electric cables – LSZH sheathed armoured cables for fixed installations
IEC 60502-1
Power cables with extruded insulation for rated voltages 1kV and 3kV
BS 6724
Armoured cables with LSZH sheath (alternative standard)
IEC 60332-3-24
Flame retardant (Category C)
IEC 60754-1/2
Halogen free and low corrosive gas emission
IEC 61034
Measurement of smoke density
Comparison with Standard PVC SWA Cable
Feature
LSZH 4 Core SWA Cable
PVC SWA Cable
Smoke emission in fire
Low (IEC 61034)
High, dense black smoke
Halogen content
Zero halogen
Contains chlorine
Toxic gas emission
None
Hydrogen chloride (HCl)
Fire safety rating
Excellent
Poor
Suitable for tunnels/metros
Yes
No
Cost
Higher
Lower
Mechanical protection (SWA)
Yes
Yes
EMI shielding (copper tape)
Yes
Optional
Packaging & Delivery
Packaging: Wooden drums or steel-wooden drums (IEC 60245 standard)
Length per drum: 500m, 1000m (custom lengths available)
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 – no middleman, factory pricing
Technical support – fast response to technical queries
Frequently Asked Questions (FAQ)
Q: What does LSZH stand for? A: LSZH stands for Low Smoke Zero Halogen. It means the cable sheath emits minimal smoke and no toxic halogen gases when exposed to fire, making it safe for use in enclosed public spaces.
Q: What is the purpose of copper tape screening? A: Copper tape screening provides electromagnetic interference (EMI) shielding, protecting sensitive control signals from external electrical noise generated by motors, VFDs, or adjacent power cables.
Q: Where is 4 core SWA LSZH cable typically used? A: This cable is commonly used in tunnels, underground railways, airports, high-rise buildings, hospitals, data centers, and industrial plants where fire safety, mechanical protection, and EMI shielding are critical.
Q: What voltage is this cable rated for? A: The LSZH 4 Core SWA Armoured Copper Tape Screened Cable is rated at 600/1000V (0.6/1kV) for low voltage power distribution.
Q: Can I use this cable outdoors or underground? A: Yes, the steel wire armour (SWA) provides excellent mechanical protection, making it suitable for direct burial, outdoor installation, and exposed runs. However, for direct sunlight exposure, please confirm UV resistance of the LSZH sheath.
Q: What is the minimum order quantity (MOQ)? A: MOQ depends on the conductor size.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2004
Total Annual:
150000000-200000000
Employee Number:
400~500
Ecer Certification：
Verified Supplier
Zhongdong Cable Co., Ltd. is a professional cables and wires manufacturer in China since 2006, the company covers an area of over 38000 square meters, 30 advanced cable production lines and 40 sets of testing equipment, we have a strong R&D ability with almost 100 Senior technical personne...
Zhongdong Cable Co., Ltd. is a professional cables and wires manufacturer in China since 2006, the company covers an area of over 38000 square meters, 30 advanced cable production lines and 40 sets of testing equipment, we have a strong R&D ability with almost 100 Senior technical personne...
