Analogue Time Switch With Power Reserve

The Theben SUL 181 d is a single-channel analogue time switch for DIN rail mounting, featuring a quartz-controlled mechanism and a built-in power reserve of up to 200 hours (approx. 8 days). It supports a 24-hour daily program with 96 switching segments, allowing switching in 15-minute intervals. Operating on 110–230V AC, it is ideal for daily control of lighting, ventilation, pumps, and more in both residential and commercial settings.

• Type: Analogue time switch, quartz-controlled

• Channels: 1 (single-channel)

• Switching Program: Daily, 24-hour

• Minimum Switching Interval: 15 minutes

• Operating Voltage: 110–230V AC, 45–60 Hz

• Power Reserve: 200 hours (NiMH rechargeable battery)

• Switching Capacity: 16A at 250V AC (cos φ = 1), 4A at 250V AC (cos φ = 0.6), up to 180W LED loads

• Installation: DIN rail (width: 52.5 mm; height: 90 mm; depth: 60 mm)

• Protection Class: IP20, II (EN 60 730-1)

• Switching Output: Potential-free changeover contact

• Manual Override: ON/AUTO/OFF switch

• Ambient Temperature: -20°C to +55°C

• Display: Analogue clock face