The IDEC GT5Y-4SN1D24 is an ON DELAY TIMER designed for precision timing control in industrial applications. It operates on 24 VDC and offers four selectable time ranges (1s, 10s, 1m, 10m) with a maximum repeat error of ±0.2%. Users can adjust settings manually or with a screwdriver for convenience. The timer features dual LED indicators for power and timing status and is compatible with IDEC's RY4S and RU series relay sockets and hold-down clips. It provides versatile contact configurations with either 4PDT, 3 A or DPDT, 5 A contacts.