Fire resistant 300/500 V LSZH speaker cable with two tinned copper conductors

Fire Resistant LSZH Speaker Cable 300/500V | TEBAOFLEX

Fire-resistant two-core LSZH speaker cable for emergency voice alarm, public-address and life-safety audio circuits at 300/500 V.

SKU: FIRE-RESISTANT-LSZH-SPEAKER Category: Tags: , , Brand:
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Fire Resistant LSZH Speaker Cable is a 300/500 V two-core audio and instrumentation cable designed for emergency voice alarm, public-address and life-safety systems. Its construction combines annealed stranded tinned copper conductors, double fire-barrier layers, XLPE insulation and a grey low-smoke zero-halogen outer jacket.

Applications

  • Emergency voice alarm communication systems.
  • Public-address and life-safety audio circuits.
  • Commercial buildings and other installations where fire performance is specified.

Construction

  • Conductor: annealed stranded tinned copper.
  • Fire barrier: double-layer fire barrier tape.
  • Insulation: XLPE.
  • Sheath: grey LSZH outer jacket.

Electrical and Fire Performance

ParameterSpecification
Rated voltage300/500 V
Voltage test2000 V/min
Minimum insulation resistance at 20 °C2000 MΩ·km
Fire-resistance testBS 6387 Category C; no interruption of service at 950 °C for 3 hours
Installation temperature-5 °C to +75 °C
Operating temperature-20 °C to +105 °C

Available Sizes

ConstructionInsulation thickness (mm)Insulation diameter (mm)Outer jacket thickness (mm)Recommended pulling tension (N)Max. conductor resistance (Ω/km)
2 × 1.5 mm²0.74.20.818012.2
2 × 2.5 mm²0.84.81.03007.6
2 × 4.0 mm²0.85.21.04004.7
2 × 6.0 mm²0.85.81.24503.1

Mechanical Characteristics

TestRequirement
Tensile strength before ageing≥10 MPa
Elongation before ageing≥125%
Aged tensile strength≥70% of unaged value
Aged elongation≥70% of unaged value
Cold bend at -20 °C for 4 hoursNo crack

Request a Quote

Send TEBAOFLEX the required cable size, route length and fire-system specification for a technical quotation.

Product Type

Fire Resistant LSZH Speaker Cable

Rated Voltage

300/500 V

Conductor

Annealed stranded tinned copper

Insulation

XLPE with double fire barrier tape

Outer Sheath

Grey LSZH

Core Count

2 cores

Cross-Sectional Area

1.5 mm² to 6.0 mm²

Operating Temperature

-20 °C to +105 °C

Application

Emergency voice alarm and public address systems

Standards

BS 6387 Category C

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