Low fire-hazard cables complying with the EU Construction Products Regulation Maximum safety with B2ca cables from LEONI

Fire provides warmth, light and a sense of security. Fire can also be life-threatening, however, and an uncontrolled blaze can cause terrible devastation.

Safety in the event of a fire One in three fires occurs in buildings, causing numerous deaths due to gas and smoke poisoning. The average period of time from the start of a fire until flashover (the ignition of pyrolysis gases) has decreased sharply over the last few decades. ■■ As a result, the time available for a possible escape from the building has also been drastically reduced. These developments have encouraged manufacturers of construction materials to make continuous technological improvements and enhance their fire per

Fire safety for cable systems When a fire breaks out, the priorities are to save lives, contain 2. Smoke and toxic gases must be avoided at all costs, because the blaze and minimize consequential damages. Electrical and they make it either difficult or impossible to evacuate buildings optical cabling must also play its part – not least because safely or provide effective help from rescue teams. Indeed, cable densities continue to increase in modern-day buildings. since most deaths from fires result from smoke and toxic gas What positive contributions can be made by cabling in the inhalation,...

EU Construction Products Regulation – CE marking and the Declaration of Performance Power, control and communication cables which are perma- With the publication of the harmonised standard hEN 50575:2014 nently installed in structures is governed by EU Regulation in the Official Journal of the European Union, all market partici- 305/2011 (known as the "Construction Products Regulation"). pants are now required to implement the Construction Products The Regulation does not apply to lift cables, cables inside Regulation. This standard describes "Power, control and com- machinery and cables for...

The fire behaviour classes are summarised in the following table, which classifies the requirements from Aca (non-flammable) to B1ca or B2ca (very high), Cca (high), Dca (moderate), Eca (low) and Fca (no requirement). This classification from A to F generally applies for all construction products. The index 'ca' stands for cable. TSP: Total Smoke Production (m2) SPR: Smoke Production Rate, maximum smoke production value (m2/s) H: Flame Spread, vertical flame propagation (mm) FS: Flame Spread, vertical flame propagation (m) PCS: Gross Calorific Value, gross calorific value THR: Total Heat Release...

Overview of fire testing Objectives 1. Saving lives 2. Containing the blaze 3. Minimising consequential damages These are the objectives when using safety cables. Fire testing according to EN 50399 covers objectives 1 and 2, since reductions in fire propagation, smoke and flaming droplets make a Most of the parameters required for cables by the Construction Products Regulation are determined by testing according to EN 50399. A vigorously burning cable producing a lot of smoke and flaming droplets/particles. major contribution to fire safety. The cables (the number used depends on the cable diameter)...

Smoke production in the test according to EN 61034. Left: a cable that produces large quantities of smoke; Right: a cable that fulfils the requirements. Flame test on a single cable according to EN 60332­‑1, the basic requirement. Smoke production is subject to especially strict evaluation in the (ZVEI) has drafted a proposal for the practical application of test according to EN 61034. Reducing smoke production is a key these safety levels. This is presented below and on the following step towards achieving objective 1, especially for the evacuation of buildings with high occupant densities and...

ZVEI proposal for the fire classes to be applied to cabling under the Construction Products Regulation ZVEI proposal Special structures

Staying safe with LEONI LEONI has been one of the world’s leading providers of safety cables for many years. Whether you need cabling for infrastructure, power, data or communications, LEONI offers the best cable technology for fire protection currently available. In addition to standard cables meeting the requirements of the new fire classes Dca or Eca, the company can also supply cables compliant with fire class B2ca. Euroclass B2ca s1 d1 a1 fire protection cabling offers the highest level of safety and features: ■■ Reduced fire propagation Reduced heat development Reduced droplet formation...

Examples: MegaLine® G12-150 S/F B2ca MegaLine® F10-115 S/F B2ca GigaLine® I-B(ZN)BH n B2ca FiberConnect® I-B(ZN)BH nn x mm B2ca BETAflam® FE5 C Special rules apply to cables offering total system integrity, such as BETAflam® NHXH E30/E90. These products must currently be handled separately. Classification according to the Construction Products Regulation will not be possible until the corresponding harmonised European Standards are available. Sub-classification and CE marking in accordance with EN 50575 is not permitted.

LEONI Studer AG Business Unit Energy & Infrastructure LEONI Kerpen GmbH Zweifaller StraBe 275-287 LEONI Fiber Optics GmbH Business Unit Fiber Optics