• Visual, audible and audio/visual models available • Red or white body available for audible alarm device • Loop-powered from control and indicating equipment • Operates when a dedicated activation message is received from the control and indicating equipment • Loud sounder output of 85 dB at 1 m • Long-life LEDs • Low quiescent current • DIP switch address setting
The 640 addressable audio/visual alarm
devices are suitable for connection to 2-wire
addressable fire detection and alarm systems.
640 is loop-powered and activation is initiated
by a dedicated initiation message from the
control and indicating equipment. Up to 32
devices can be connected to each alarm zone