The DFE 521 detector is designed to trigger the alarm if smoke is detected in the environment where it is installed.
Supervised product
Through the LED, it is possible to check the operating conditions of the detector. This function facilitates monitoring if the product is at fault.
System with maximum autonomy
Its low consumption makes it possible to have more autonomy in the central system.
Without restriction to polarity inversion
The DFE 521 allows you to exchange the negative wire for the positive, reducing the chances of damage to the product and consequently facilitating the installation.