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Fire alarm switchdoi:US2488281 AFORMANEK JOSEPH E.US
The manual switch has a front face (3) with an opening for a sensitive element plate (8), which sets off mechanical units (21,25) setting off an electrical circuit (13). There is a drive unit (26,33) which is accessible from outside and distinct from the sensitive plate drive. The...
Supplier Homepage Products Voice Evacuation Control Panel System Enhanced Audibility in Emergencies: Fire Alarm Speaker Selector Switch Hot Searches Door Alarm Alarm Control System Fire Alarm System Auto Alarm System Voice Alarm System Lcd Zone Alarm 2 Wired Zo...
Each speaker zone has an independent isolating switch. 2. Each zone board has 10 speaker zones, 1 audio input. and 1 audio output. 3. Indicators for each zone board: 1 power indicator, 10 activation indicators, 10 isolation indicators. Specification Place of Origi...
Thermostatic fire alarm switchSamuel S. Aidlin
Fire alarm switchWilfrid, Normand
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Each speaker zone has an independent isolating switch. 2. Each zone board has 10 speaker zones, 1 audio input. and 1 audio output. 3. Indicators for each zone board: 1 power indicator, 10 activation indicators, 10 isolation indicators. Specification Place of Origi...