The loop sounder-strobe is actuated and powered via the loop with Labor Strauss/700 protocol. Depending on the parameter setup of the fire detection control panel and the system condition, the control panel can activate the sounder with tone A, B or C. If several sounders are actuated in parallel, they are synchronized by the fire detection control panel to generate a uniform warning tone. The strobe is activated together with the sounder
Different tones
Slow Whoop tone 500-1200Hz, DIN tone 1200-500Hz, continuous tone 1kHz
Low power consumption
Different sound levels
Long-life strobe with clear cap and red LED
Operating voltage supplied through loop voltage
(Current consumption from loop typ. 70μA (sounder/strobe off
(max. 8mA (DIN tone/strobe active, maximum sound level
(Sound level 93dB(A) / 1m distance (maximum sound level
Flash frequency 1Hz
Ambient temperature : -30°C to +70°C
Protection class : IP21
(Dimensions Ø × D : 142 × ۶۴ (mm
Colour : white
Weight : 275g
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