Bells only burglar alarm SIEMENS Building Technologies
AT11W

For installation at the entrance to banks etc. in a desk or in a till. Elegant design which conforms with usual counters and yet is clearly recoginzable as an alarm button. Alarm button with one break contact each for the connection of an alarm and tamper line. White paper disc printed with "ALARM", which must be punctured to actuate an alarm. It can be replaced without the use of tools.

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