The H3YN-2-DC24 is a time-delay relay manufactured by Omron. It is a multi-functional, 24v DC powered device that is used to control cycle times and delay operations in automated systems. The relay is programmed using its three rotary switches, and its maximum on and off delay is up to 600 seconds. The H3YN-2-DC24 is a miniaturized device, measuring only 22.5mm x 44.5mm x 40.6mm in size.