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When a fire occurs and is observed, the fire alarm knob installed in the exit ways can be used to stimulate the fire alarm system. This device is used with the fire alarm control center and is made in accordance with the national standard ISIRI 6174.
After feeding, the device is ready to use. If the glass is hit and broken, the warning command is sent to the control center.
This device is designed in such a way that if it needs to be used in NC circuits, it is possible to add NC contacts to it. This circuit is mainly used in old fire alarm systems or alarms.