Digitally adjustable operating hours pulse counter with alarm relay and reset. Stand-by loss only 0.05 to 0.5 watts. To do this, simply connect the N conductor to terminal (N) and L to 1 (L). This results in an additional stand-by loss of only 0.1 watts. As soon as the supply voltage UC is applied to B1/A2, the BZR12DDX can be set: The function is selected using the MODE and SET buttons: Briefly pressing MODE displays the last function set (factory setting BST = operating hours counter)
