Chuông Báo Cháy SystemSensor SSM24-6

Product Description System Sensor’s Alarm Bells are low current, high decibel notification appliances for use in fire and burglary systems or other signaling applications. The alarm bell is polarized for use with supervision circuitry and have under dome strikers & operating mechanisms. The diameter of the product shall be no smaller than nominal 6″(152mm). The bells can make large resonant sound.

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