din rail multi-circuit industrial timer switch: 1. 16 ON &16 OFF 2. 3 ... 3. AC380V, 220V, 110V, DC12V, 24V, 36V din rail multi-circuit industrial timer switch ZYT16-3a Description:It can be used ... lock button.It is of the highest accuracy, reliability& durability.Application:It is widely applied to street lamps, neon lights, electricalbells ...