Overview

The sound annunciator is an important and simple tool for communication on ships. An alarm can send out a special signal in time to
indicate the occurrence of the certain abnormal phenomenon, at the same time, it is also used as a marine telephone, communication
device, command alarm and other electrical appliances on ships.

Main technical performances

1. Suitable environmental temperature: -25℃-+55℃
2. It can reliably work when the power voltage ranges within ±15% for DC current, +6%-10% for AC current Of its rated voltage, and it’s sound intensity will not lower than the value stipulated
3. The protection class: IP56

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