The NGA-504 ASB is a wall mounted Addressable Sounder / Beacon with low power consumption. Up to 32 individually addressed sounders can be installed per loop occupying address 94 to 125. The address is set using switches 1 to 5 of the 8 way DIL switch. Four different tones are available and selected using DIL switches 6 and 7.
SPECIFICATION:
Supply voltage: Loop: 20 V to 30 V DC
Loop current – quiescent: 0.5 mA
Loop current – alarm low. Freq.: 4.1 mA (Max.) – 2.6 mA (Min.)
Loop current – alarm high.: 7.5 mA (Max.) – 3 mA (Min.)
Freq. Loop current – alarm beacon: 1.4 mA
Sounder output – continuous: 102 dB @ 1 m (Max.) – 97 dB @ 1 m (Min.)
Sounder output – low freq.: 103 dB @ 1 m (Max.) – 98 dB @ 1 m (Min.)
Sounder output – high freq.: 110 dB @ 1 m (Max.) – 100 dB @ 1 m (Min.)
Max. Cable size: 2.5 mm²
Max. Humidity: 95% RH Non-Condensing
Operating temperature: -25ºC to 70ºC
Colour / case material: Red / ABS
Protection category: IP65 – Type B – Outdoor use
Dimensions: 112 (D) x 110 (H) mm inc. base
Weight: 315 g – 350 g including packaging