The IDEC GT3W-A11 AF20N is a versatile plug-in timer suitable for specialized timing applications, featuring an 8-pin octal base for DIN rail or surface mounting. It provides dual time settings ranging from 0.1 seconds to 6 hours and includes delayed DPDT contact operation with a voltage range of 100-240 VAC/DC. This timer supports multiple functions such as sequential start, interval, on-delay, and recycler modes, with the convenience of eight selectable operation modes. Equipped with power and output status LEDs, it ensures clear indication of operational status and offers extended time ranges up to 300 hours.