OVERVIEW
NGA-501 is an Analogue Addressable Manual CAll Point,
designed and manufactured comply with EN54-11, compatible
with Nortech Addressable Control Panels. With its enhance
commuication mechanism the typical response time, when in
alarm is approximately one second, depending on the number
of call points connected to the device loop.
A bi-colour LED flashes Green when the unit is interrogated by the control panel and is illuminate Red
when in alarm. The command to illuminate the Red LED is emitted by the control panel in response to
activation of the individual call point thus confirming that the alarm signal has been received at control
panel.
The unit is supplied complete with hinged flap which protects the trigger element from accidental activation and reduces malicious activations as two actions are required in order to activate device. this
unit can be booth surface and flush mounted and it can be easily reset using the supplied key after activation.