The IDEC GT5Y-4SN1 A100 is an ON DELAY TIMER designed for precise time control in automation systems. It operates on 100-120 VAC and offers four selectable time ranges from 1 second to 10 minutes. The timer features versatile 4PDT, 3 A or DPDT, 5 A contacts and boasts a maximum repeat error of ±0.2%. Users can easily adjust control settings manually or with a screwdriver. Equipped with LED indicators for power and timing status, it is compatible with IDEC's RY4S and RU series relay sockets and hold-down clips for simplified installation.