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 125 devieces can be connected to each alarm zone loop.

Features:

·    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

Specification:
Ordering Information:
FAQ:
Q1:Are you a manufacturer or trading company?
A1:Numens is a professional fire alarm system manufacturer.
 
Q2:What kind of production service do you provide?
A2:The whole fire alarm system,include Addressable system, Conventional system, Residential system and so on....
 
Q3:What kind of certification do you have?
A3:Numens was EN,BSI,UL,SGS certified and all the products were produced under these major international standard .
 
Q4:What is the lead time for new order?
A4:The lead time for new order is 25 days after confirm order.
 
Q5:How do I get price information?
A5:Sales representatives are responsible for providing detailed price information within 1 workday after get your inquiry.