Conventional central of 4 zones. Designed, manufactured and certified according to standards EN54-2 and EN54-4. Ideal for small and medium installations. It has 4 zones for the connection of 21 devices per zone (between detectors and pushbuttons) with a total of 84 connectable detectors. J400 control units have the ability to distinguish detector or pushbutton alarms. Each detection zone has its own alarm repetition output. Gas zone compatible with 4-20 mA sensors. It allows the installation of a 1 risk extinction module. With certificate EN 12094-1: 2003. Possibility by means of a program to reconcile the end-of-line resistance value of an existing installation to the voltage values required by the plant, being able to carry out an installation with several zones with different end-of-line resistance. Supply voltage of 1.5A and capacity to house 2 12V-7Ah batteries. Dimensions: 354 x 280 x 100 mm.