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GES3 / GEC3 Series Selectable Candela Evacuation Signals Architect & Engineering Specifications The audible and/or visible signal shall be Gentex GES3,GEC3 Series or approved equal and shall be listed by Underwriters Laboratories(ANSI/ UL)for use with fire protective signaling systems(ANSI/UL 1971 and/or ANSI/UL 464)and with CAN/ULC S526(24 VDC only)and/or CAN/ULC S525 (24 VDC only)with intended use in fire alarm systems. The notification appliance(GEC3)shall produce a peak sound output of 100 dBA or greater at 12 VDC or 24 VDC as measured in an anechoic chamber and shall also have the capability to silence the audible signal while leaving the visible signal energized with the use of a single pair of power wires.Additionally,the user shall be able to select either continuous or temporal tone output with the temporal signal having the ability to be synchronized. The unit shall be capable of being installed so that any unauthorized attempt to change the candela setting will result in a trouble signal at the fire alarm control panel. The audible/visible and visible signaling appliance shall also maintain a minimum flash rate of 1 Hz or up to 2 Hz regardless of power input voltage.The strobe appliance shall have an operating current of 42 mA or less at 24 VDC for the 15 Cd strobe circuit and 92 mA or less at 12 VDC for the 15 Cd strobe circuit. The appliance shall be polarized to allow for electrical supervision of the system wiring.The unit shall be provided with a mounting bracket with terminals and barriers for input/output wiring and be able to mount to a single gang or double gang box or double workbox without the use of an adapter plate. The GE3 Series shall be mounted on the wall. The unit shall have an input voltage range of 16-33 volts with either direct current or full wave rectified power at 24 VDC or a voltage range of 8-17.5 volts at 12 VDC. The appliance shall be capable of testing supervision without disconnecting wires,verify voltage without removing unit and be capable of mounting to a surface back box. CORPORATIONGENTE X Fire Protection Products Group 1 10985 Chicago Drive I Zeeland,MI 49464 551-0050-07 :00