The Theben SUL 181D 24 V is a dependable 24-hour analogue timer available in two options: a Premium German-made version for maximum durability and long service life, and an Economical China-built version offering the same functionality at a more budget-friendly price. Both variants feature a mechanical 24-hour dial with 48 switching segments (30-minute intervals), manual ON/OFF override, and a 16A, 230V capacity, making them ideal for lighting, ventilation fans, pumps, signage, heating devices, and general automation needs, all in a compact DIN-rail mounted design.
