A1DS Star Delta Timer is put after the setup period has passed, the timer output bit becomes ON, but before that, the timer trigger bit turns ON. The timer output bit switches OFF after the setup period has passed and the timer input bit had previously turned OFF. The timer OFF delay is also accurate in this regard. Due to its ease of installation and use, the device is well-liked. Given its high level of durability, the A1DS Star Delta Timer can be used continuously for a considerable amount of time.