Motor alarm has high volume 130dB, optional working voltage AC 110V/AC 220V and two-way alarm mode.
Specification:
Model | CHN-MOALM-MS690 |
Shipping weight | 13kg |
Dimension | 297*226*260mm |
Working voltage * | AC 220V, AC 110V |
Working frequency | 50Hz/60Hz |
Working current | 1.9A, 3.7A |
Output volume | 130dB |
Sound | Continuous alarm sound (It is best to work for 2 minutes, and then stop working for 30 minutes. After the motor becomes cool, the motor alarm can work again.) |
Working mode | Alarm when power on |
Shell material | Cast aluminum alloy |
Color | Red |
Protection class | IP44 |
Insulation resistance | 100MΩ (at 500VDC) |
Motor speed | 1000 rpm |
Dimension (unit: mm):

Tips: Where to install a motor alarm?
In general, a motor alarm can cover a range of 1 square kilometer. If motor alarm is used for air raid warning, the air defense department will set the motor alarm according to this distance. However, in the process of sound transmission, it will be blocked by high-rise buildings. Generally, in dense populated areas in city, the installation of alarms is relatively dense. In open areas, the motor alarm quantity is less. In addition, the gathering places such as squares or schools are also important places to install motor alarms.
AC 220V/110V motor alarm has cast aluminum alloy shell and protection class IP44. It adopts a single phase motor and two-way alarm mode to realize emergency alarm. The motor speed is 1000 rpm and the alarm volume is 130dB. Motor alarm can be used for alarm system of gas station, ship, plain, ranch, forest farm, etc.