SUL181h mechanical timer switch

SUL181h mechanical timer switch programmed using switching segments, it quickly read and easy to change. The shortest switching time is 30 minutes and it can switch with continuous ON/AUTO/continuous OFF.

  • 1 channel
  • 48 switching segments
  • Fine adjustment for time setting accurate to the minute
  • Simple summer/winter time correction
  • Switching preselection
  • Quartz controlled
  • Manual switching with continuous ON/AUTO/OFF
  • Switching status display
  • Permanent ON/OFF switch
  • SUL181h: With power reserve(NiMH rechargeable battery)
  • SYN161h: Without power reserve

Product Selection

Voltage 230Vac, other voltages on request
Frequency 50/60Hz
Switching capacity 16A

Maximum Recommended Load (10,000 operations)

Filament / Halogen lamp 230V LED lamp 230V < 2 W LED lamp 230V > 2 W
1100 W 20 W 180 W

Technical Data

Time accuracy at 25 °C ≤± 2 Sek./day (quartz)
Type of contact changeover contact
Type of protection IP 20
Class of protection II according to EN 60 730-1
Power reserve SUL181h: 7 days
Permitted ambient temperature -10 ~ +50 °C (non-icing)
Test approval CE
Power consumption 1.5 VA


SUL181h mechanical timer switch fits for the particular use of the following tasks: Billboard or Showcase lighting, Air-condition or Commercial Refrigeration, Pumps/ Motor/ Geyser/ Fan Control, Hydroponic Systems, Wastewater Treatment Systems, Generator Exercising, Boilers / Heater Control, Pool & Spa, etc.



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    Phone: +86-577-62772897
    NO.221 Weiershi Road Yueqing Economic Development Zone Wenzhou, Zhejiang, 325600 China