Two new additions to the SpectrAlert ceiling-mount series are available from System Sensor, a market leader in fire and notification devices. The 115 and 177 candela models are available in strobe, horn/strobe and speaker/strobe configurations. These models accommodate larger coverage areas, including 50 ft. by 50 ft. spaces and ceilings up to 30 ft. high. The 177 candela models also accommodate sleeping areas where ceiling-mounted devices are specified. The SpectrAlert 115 and 177 candela models are operated over a standard 24-volt NAC circuit. Special 120-volt circuitry, or wiring, is not required. Both models are UL 1971 listed. System Sensor, a division of Honeywell
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