Explosion-proof fire alarm siren fire alarm system is indispensable common equipment. When the scene of an accident or fire or other emergency, the control signals sent by the fire alarm controller activates the alarm circuit, audible and visual alarm signal to remind site personnel in order to achieve the purpose.

2.  Working Principle

Driven by 24V DC explosion-proof fire alarm siren sounds an alarm built-in speaker.

3.  Function

Explosion-proof fire alarm siren can be used in conjunction with manual alarm button, constitute a simple sound alarm system, at home and abroad can be any manufacturer supporting the use of fire alarm controller.

4.  Feature

Merit:
1). Easy to install, firm structure;
2). Has low power consumption, large volume, continuous work extremely long life characteristics;
3). Perfectly configured in a variety of alarm systems;
4). Suitable for high temperatures, dangerous places explosive gas environments;
5). Sirens sound volume can be adjusted..
Defect:
1). Hearing impaired can not use and can not be evacuated.

5.  Technical Parameter:

1).  Operating Voltage: DC 24V
2).  Standby Current: ≤600mA
3).  Temperature Range: -20℃ ~ +50℃
4 ). Humidity Range: 0%~95%RH
5 ). Sound Pressure Level: 100~110dB

6.   Connecting: