System Sensor SPSCWHK SpectrAlert Speaker Strobe

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System Sensor SPSCWHK SpectrAlert Speaker Strobe, Ceiling Mount, High CD, "FIRE" Marking, White (Includes Plastic Weatherproof Back Box). The SpectrAlert Advance series of notifica tion appliances offers a wide range of speaker/strobe products for wall and ceiling applications indoors and outdoors. The strobe portion is designed to be used in 12 or 24-volt, DC, or FWR (full wave rectified) systems. The speaker portion can be operated with distribution amplifiers with an output voltage of 25 or 70.7 volts. Features Weatherproof per NEMA 4X, IP56. Rated from -40ºF to 151ºF. Plug-in design reduces ground faults. Universal mounting plate with onboard shorting spring that tests wiring continuity before devices are installed. Field-selectable candela settings: 15, 15/7530, 75, 95, 110, 115, 135, 150, 177, and 185. Automatic selection of 12- or 24-volt operation at 15 and 15/75 candela. Rotary switch for speaker voltage (25 and 70.7 Vrms) and power settings (1/4, 1/2, 1 and 2 watts). Compatible with System Sensor synchronization protocol and legacy SpectrAlert products. Tamper-resistant construction. Listed for ceiling or wall mounting. Show more