C4 Ceiling Horn Strobe
The NATIONAL TIME C4 Synchronized Series is a ceiling
mount strobe or horn/strobe combination that offers dependable audible and visual alarms. The C4
Series horns provide selections for high/low dBA, continuous/code 3 temporal horn as well as
selections of high frequency tone or mechanical tone. The low dBA selection will reduce horn output
dBA and is used in environments with low ambient noise levels. The high frequency (2400 Hz)
selection is recommended for use in remote signal applications. The low frequency (factory)
selection is recommended for use in evacuation signaling application. The C4 Series horns are
factory shipped for code 3 temporal selection. The C4 Series strobe provides a low operating current
and a minimum flash rate of 1Hz throughout the rated input voltage range. The candela intensity is
field selectable with settings of 15CD, 30CD, 75CD, 95CD,115CD or 150CD using a convenient dial
selector. The C4 Series easy slide mounting system provides convenient installation and device
testing operation. The C4 Series operates from the synchronized outputs on the National Time
Synchronized Series, Fire Alarm Control Panel or Notification Appliance Control Panel or from the
Remote Power Supply providing individual synchronized horn and strobe operation on the same 2 wires.
The C4 Synchronized Series comes standard with a mounting plate. The mounting plate will mount to a
4" square box, a 2-gang masonry box, a 2-gang switch box, a single gang masonry box, a single gang
switch box or 4" octagon box. The C4 Synchronized Series appliances are UL 1971 listed for use with
fire protective systems.
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Low Operating Current