• 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
AED 70.00
500 in stock
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
loop.
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