Designed to trigger when the alarm temperature is reached or in the event of a sudden temperature change.
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 DTE 521 allows you to exchange the negative wire for the positive, reducing the chances of damage to the product and consequently facilitating the installation.