Interruttore Temporizzatore 12 Minuti ON E OFF in Cicli 12min - 20A 3/4HP, 125-480V
Cycles ON and OFF every 12min. - 20A 125V, 250V, 480V AC. So the light or whatever you connect it to will be on for up to 12 minutes, then turn off. The two black lines are for the clock motor, which is 120VAC.