FDS221.W
Sirenes blanche.

– 11 tonalities selectable, 2 activation levels programmable
– Sound intensity up to 99 dBA, adjustable on 3 levels
– Compatible to the addressable detector base
– Use of base accessories or sealing element possible
– Monitoring of device status
– Power supply and communication via FDnet

*Characteristics
– protected electronics, high-quality components
– integrated short-circuit isolator
– sound intensity and sounds adjustable
– screw less connection terminals
– no auxiliary power supply required; power is supplied via FDnet
– very low operating current
– periodic testing of the acoustic part (not audible)
– monitoring of device status

*Function
– loud alarming in case of fire alarm, clearly recognizable as danger signal
*Application
– along escape routes
– corridors
– staircases

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