Systems Ltd
NT990 BNWAS Basic System Configurations

The NT990 BNWAS Bridge Navigational Watch Alarm System is available in two basic system types to suit vessel power supply arrangements as follows: -

(i) NT990 BNWAS / 1 - typically for smaller vessels or where 24Vdc power supplies are preferred.
(Uses Distribution Unit type DB1).

(ii) NT990 BNWAS / 2 - typically for bigger vessels or where 115/230VAC 50/60Hz (primary) power supplies and 24Vdc backup systems are preferred. (Uses Distribution Unit type DB2).

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