TB388S Electrical Plastic Box Timer

TB388S analog time switches are an economical solution for applications requiring more than 20A and wide voltage (110-230 VAC). The unit is housed in a plastic enclosure. TB388S is suitable for a variety of applications, including: Billboard or Showcase Lighting, Air Conditioning or Commercial Refrigeration, Pumps/Motor/ Geyser/Fan Control, Hydroponic Systems, Wastewater Treatment Systems, Generator Exercising, Boilers / Heater Control, Pool & Spa, etc.

Supply voltage230Vac, 50/60Hz other voltages on request
Switching capacityResistive load: 16 A / 250 V~ at cosφ=1
  Inductive load: 4 A / 250 V~ at cosφ=0.6
Number of switching segments48
Time accuracy at 25 °C≤± 2 Sec./day (quartz)
Power reserve
Type of contactchangeover contact
Type of protectionIP 20
Class of protectionII according to EN 60 730-1
Permitted ambient temperature-10 ~ +50 °C (non-icing)
Test approvalCE
Power consumption1.5 VA
Maximum recommended load (10,000 operations)
Incandescent/halogen lamp load 230V1100 W
LED lamp 230V < 2 W20 W
LED lamp 230V > 2 W180 W

Maximum Load Testing for Analog Timer Switches

LETOP performs maximum load test on timer switches

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