| YS LT (on delay timer) | general on delay timer AC/DC |
|---|---|
| YS OT (on delay timer) | continuous relay output keeping after power off |
| YS YT(Y- timer) | best suitable for motor starting with three change time (.1/.25/.5sec) |
| YS FT (Flicker timer) | on/off flickering of 50% duty rate |
| YS DT (Digital timer) | 8pin plugin type |
