Daily Analogue Programmable DIN-Rail Time Switch is a 230 V AC quartz-driven daily timer with a horizontal dial and 100-hour power reserve designed for automated switching of electrical circuits such as lighting and HVAC in distribution boards. It features a single change-over contact rated at 16 A, manual override (ON-AUTO-OFF), and captive segmentation programmable in 15-minute steps with a minimum switching interval of 30 minutes. The unit mounts on a DIN rail, occupies 3 modular widths, and retains time settings during outages thanks to its built-in reserve.