The Lighting Handbook ZG

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Vydal: ZG Lighting Czech Republic s.r.o

Strana 174 z 244







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period transition was agreed that allowed the mark applied until 01/08/2005. The Umark limits the temperature to 90°C max. They are designed that the event ballast fault, flame-retardant and normally flamma- ble materials specified DIN 4102 cannot be ignited, e. They are designed that normal operation any mounting surface other adjacent furniture surfaces not exceed a temperature °C. Luminaires with theqmark Luminaires which carry theqmark are intend­ ed for mounting furniture made materials whose flammability not known.g. vertical surfaces, 150 °C must not exceeded. The materials may painted, veneer­ ed or varnished. The luminaire mark was withdrawn in 1999. Luminaire identification marking The following criteria must taken into account: – position normal use – fire behaviour environment and mounting surfaces – minimum clearance from combustible substances and materials . corners wooden furni- ture. External surfaces where highly flammable materials such dust or fibres may accumulate, even case of use according purpose, must not exceed specific temperatures.174 The Lighting Handbook Fire protection Luminaires marked with U This symbol indicates the surface tempera- ture luminaire. Since 01/08/1998, theUmark introduced 60598 has been applied. horizontal surfaces during normal operation and 115 the event of ballast fault. Luminaires with theQmark Luminaires which carry theQmark are intend­ ed for installation furniture