Electronic siren with battery back-up with outer cover in polycarbonate and inner cover in zinc plated steel. Rechargeable battery compartment for max. 12 Vdc - 7,5 Ah. LED electronic flasher incorpo-rated. To trigger siren, the installer may select from 3 different commands: loss of positive or nega-tive, or application of negative. Regulation of alarm trigger time: 30 sec. to 4 min. Remote key con-trol to disable siren in case fault develops. Power: 13.8 Vdc. Current drain in standby: 30 mA Current drain in alarm: 1.5A. Acoustic output power: 120 dB/m. Dimensions: 285x222x90 mm. Weight: 2.8Kg.
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