Simplex 4903-9252 Horn StrobeThe Simplex 4903 9252 is a 24VDC (15 candela, Red) Horn Strobe for horizontal wall mounting. Strobe selectable free run or synchronized operation. STROBE SYNCHRONIZATION: Synchronized Flash Modules, 4905 9914 (Class B) or 4905 9922 (Class A) 4006, 4008, 4100U, and 4010 Fire Alarm Control Panels 4009 IDNet NAC Extender, models 4009 9201 and 4009 9301

— 4008 Series control units with reduced feature set

if NAC powered

Voltage selection is made by wiring to the appropriate input terminals or wire leads

— Integral red LED for power-on (pulsing)

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weatherproof

The Silent Knight SK-PHOTO-T-W is an intelligent addressable plug-in photoelectric smoke detector with dual electronic thermistors that add 135°F (57°C) fixed-temperature heat sensing for Silent Knight SK protocol SLC loops

The lever then operates as a single action station

or single 4098-9793E gang box

AO Appliance Only Wall

Compatible for use with Simplex 4100ES / 4010ES / 4100U / 4120 / 4100 / 4020 fire alarm control panels

Firefighter telephone systems provide two-way communications for facilities where radio communications may not be available or are unreliable