Τhe BS-521 is an autonomous siren for fire detection systems that gives a strong sound output and an optical warning (only sound for BS-520). They have rechargeable Ni-Cd batteries so they are activated in the case of the main's interruption which can be caused by a fire.They can be connected with one or more break glass call points (model BS -536). By pressing the glass of the call point the siren is activated.The strong sound and the optical warning beacon covers many square meters.
INCLUDED | ΜΠΑΤΑΡΙΑ ΓΙΑ ΔΙΑΚΟΠΗ ΡΕΥΜΑΤΟΣ |
ΚΑΤΑΝΑΛΩΣΗ (Watt) | 30mA AC |
FUNCTION VOLTAGE | 230V AC |
AREA COVERAGE (m2) | 6 ΜΕΤΡΑ ΠΕΡΙΜΕΤΡΙΚΑ |
TYPE | Siren With Beacon |
SOUND POWER(Db) | 94dB (sound effect 1) |
DIMENSION | 141 x 141 x 100 mm |
AUTONOMY | Yes |
CONNECTION WITH BOARD | Yes |
AUTONOMIC | No |
CONSTRUCTION MATERIAL | Abs Plastic |