Edwards SIGA-278 Double Action Pull StationThe Edwards EST SIGA 278 is a Signature Series intelligent addressable manual pull station featuring double action, single stage operation. To initiate an alarm, the user must lift the upper door marked LIFT THEN PULL HANDLE and then pull the alarm handle. The device incorporates an integral microprocessor, allowing alarm decisions to be made at the station level, improving system response time and reducing sensitivity to line noise. Electronic
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