Fire resistant cables LSZH

Production fire resistant cables for extreme conditions of a prolonged fire

The fire-resistant TOXFREE PLUS 331 ZH SZ1-K (AS+) / RZ1-K (AS+) low voltage cable is specially designed to transmit electricity in the extreme conditions. Designed for prolonged fire, assuring an electric supply to emergency services.


In case of fire, it does not emit toxic or corrosive gases, thereby protecting public health and avoiding any possible damage to electronic equipment.


For this reason, its use is recommended in public places such as: hospitals, schools, museums, airports, bus terminals, shops in general, tunnels, metros, etc., as well as in computer centres, offices, production plants, laboratories, etc.


Fire retardant cable

3 hours of electrical supply at 800ºC

The LSZH cable prevents the loss of visibility due to smoke produced by combustion, facilitating the evacuation of people and the work of rescue personnel.

Its special silicone insulation (S) permits a great transmission of power as well as a greater resistance to overloads.

Additionally, it reaches a maximum service temperature of the conductor of 90 °C.


Fire resistant proof cable

The fire resistance of this cable causes it, in case of fire, to maintain the continuity of the electrical supply. It can stand up to 3 hours at temperatures of 800 °C, according to EN50200.

The Toxfree Plus cable, like the rest of the so called “Toxfree” range, is ecological, not containing any chlorated material such as PVC, which prevents the emission of dioxins to the atmosphere.


  • Toxfree Plus 331 ZH SZ1-K (AS+) cable

The Toxfree Plus 331 ZH cable is highly recommended in emergency circuits in tunnel installations.


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For more information please visit Top Cable’s website or contact your nearest sales representative.

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