The voice alarm loudspeaker is specially designed and can be

 used in buildings with strict requirements on the performance of voice evacuation broadcast system. The LBC 3087 / 41 loudspeaker is designed for voice alarm system and complies with British BS 5839-8 standard. Basic function LBC 3087 / 41 is an economical, embedded Ceiling Speaker suitable for general applications. It is a widely used loudspeaker, which is suitable for spreading voice and music in shops, warehouses, schools, offices, gymnasiums, hotels and restaurants. The LBC 3087 / 41 is equipped with a 6 W dual cone speaker. A 100 V matching transformer is installed on the back. The front has a round metal mask with a beautiful white (RAL 9010) coating. The speaker has built-in protection function. This can ensure that the protection of the circuit will not cause damage in case of a fire. In this way, the integrity of the system is maintained, thus ensuring that speakers in other locations can still communicate information to people in a timely manner. The loudspeaker is equipped with a ceramic junction box, a temperature fuse and a heat-resistant high-temperature conductor. In addition, it can be equipped with an optional fire shield to enhance the protection of cable terminals. Certificate and accreditation all Bosch loudspeakers meet IEC 268-5 power handling capacity (PHC) standard and can operate continuously for 100 hours at rated power. In addition, Bosch has conducted simulated acoustic feedback exposure (SAFE) tests to ensure that they can withstand twice the rated power in a short period of time. This ensures high reliability of loudspeakers in extreme conditions, improves customer satisfaction, extends service life, and significantly reduces the probability of failure or performance degradation. Safety in accordance with en 60065, emergency in accordance with BS 5839 ￣ 8 / en 60849 / en 54 ￣ 24 standard * collision protection in accordance with DIN VDE 0710 Part 13 standard * waterproof and dust proof in accordance with en 60529 ￣ IP32 standard note * only used with LBC 3080 / 01 fire hood regional certification European CE DOP cpd Poland cnbop cnbop installation / configuration installation The speaker assembly can be quickly and easily installed in the mounting hole in the ceiling and fixed with three white screws (included). The round template that comes with the speaker is used to mark the 165 mm (6.5 in) diameter mounting hole. Terminal box loudspeakers are equipped with T-junction boxes with screw connectors for loop wiring. Four jumper connectors on the matching transformer allow the user to select rated full power, half power, quarter power, or eighth power in 3 dB increments. In case of fire, the holes in the ceiling with loudspeakers will spread the fire throughout the building. In order to prevent the flame from entering the hole through the loudspeaker, the ceiling loudspeaker can be installed with steel fire cover (LBC 3080 / 01). This flameproof cover option can be mounted on the speaker assembly using the four self tapping screws as standard. There are four openings in the fire Hood: two (2) for the rubber sealing plug (attached) and two (2) for the cable sealing plug (PG13).

Sales telephone (same number of wechat): 13428785305 QQ: 2461903042