ATO Motor driven siren has optional outputvolume 123.3dB or 125.8dB, working voltage 3 phase 380VAC, rated power 4kW(5-1/2 hp), fast response time ≤3s, cast aluminum alloy shell and protection class IP44. It adopts athree phase motor and two-way alarm mode to realize emergency alarm. The motorspeed is 2900 rpm. Motor driven siren can be used for air raid alarm system ornatural disasters early warning.
Specification:
Shipping weight 110kg/110kg/61kg
Package dimension 66*56*64cm/75*63*71cm/75*63*71cm
Working voltage 3 phase 380V
Working frequency 50Hz/60Hz
Rated power 4kW(5-1/2 hp)/4kW (5-1/2 hp)/2.2kW (3 hp)
Output volume 123.3dB (at a radius of 5 m)
Output frequency 500±20Hz
Sound Continuousalarm sound (*It is best to work for 2 minutes, and then stop working for 30minutes. After the motor becomes cool, the motor alarm can work again.)
Working mode Alarm when power on
Shell material Cast aluminum alloy
Response time ≤3s
Protection class IP44
Motor speed 2900rpm