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/s3.gy.digital%2Ftechnomat%2Fuploads%2Fasset%2Fdata%2F673526%2Folympia.jpg "OLYMPIA ELECTRONICS")
Autonomous Fire Detector Beacon Siren BS-521/1 230VAC 10921521006
The BS-521 is an autonomous fire detection siren that gives audible and visual signals while the BS-520 gives only audible. It has rechargeable Ni-Cd batteries to work in case of power failure that usually follows fires. They are connected with one or more fire detection buttons (model BS-536 of our company) so that in case of fire by pressing one of the alarm buttons to activate the series .
Specifications:
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/s3.gy.digital%2Ftechnomat%2Fuploads%2Fasset%2Fdata%2F723095%2F14.02.0433_1.jpg "Waterproof Fire Detector Beacon Siren BS-521/1/WP 230VAC 100dB Ni-Cd 921521007")
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