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Product ID: 509
Speech Cut Off Device and tone generator for use on 4+ 1 systems with privacy of speech and lock release (one required per system). It enables speech and operation of lock to be carried out only from the last telephone called.
£40.17
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The 509N temporarily switches off the system, disabling all intercoms then to send out the call tone which will enable only the called intercom. In a standard 5 modules A type DIN box (87,5 mm). Can be fixed to either a DIN bar or directly to the wall using two expansion type screws.
