Legrand PolaRex KKT, analog defrost timer with synchronous motor (mains-synchronous accuracy), 2 channels, operating voltage 230 V 50 Hz. Time switch with day disk and adjustable short-time programs, switching time adjustable from 1 to 60 minutes. The shortest switching sequence (start of a switching time): 30 minutes. Installation on mounting rail EN 60715 or surface-mounted, dimensions (HxW): 113.7 x 72 mm. Switching output: 2 changeover contacts.