The Sounder Control Unit (55000-8521IMC) is used to control the operation of a zone of
externally powered conventional sounders and VADs to report their status to a DEMCO’s fire alarm control panel.
|Min Loop in Operating Voltage||17V DC|
|Max Loop Operating Voltage||28V DC|
|Switch-On Surge, Max. 10ms||2.6mA|
|Operating Temperature||–20°C to +70°C|
|Humidity (no condensation)||0–95% RH|
|Dimensions of Sounder Control Unit (surface mount)||150 x 90 x 48 mm|
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