Friday, December 29, 2017

My SUM 0026 digital programmable timer 3-pin plug socket

Electrical programmable timer plug socket is very useful for you to automate the time to turn off a particular electrical/electronic appliance, and the time to turn it on again.

Some of its usage scenario including:

  • Switching off your WiFi at mid-night and switching it on again in early morning.
  • Switching off your television and set-top-box at mid-night and switching them on again the next morning.
  • Switching on water sprinkler system in your garden at certain hour everyday, and switching it off again after some times.
  • Switching on night lights at night and switching them off during day time.
  • Charge the BC-01 multimedia Bluetooth speaker with alarm clock and FM radio for 2 hours everyday.

Typically, there are 2 types of electrical programmable timer plug socket: mechanical and digital. Mechanical programmable timer is usually cheaper, but has limitation of 24 hours single setting only. Digital programmable timer such as this SUM 0026 supports 7-days on/off setting and can accommodate up to 10 different on/off settings.


This SUM 0026 digital programmable timer 3-pin plug socket is certified by SIRIM with a SIRIM sticker.

It has an internal NiMH 1.2V battery which is able to remember its clock time and settings for more than 100 hours even when their is no power supplied to the unit.

Before you can use it for the first time after unpack, you need to plug it in an electrical socket and charge its internal battery for about half a day. Initially, you might see its LCD display showing distorted characters. That is normal. After some times, the unit will function well with the correct info display.

After that, you need to reset its memory by pressing the small round Master Clear button with a sharp object for a few seconds, then release it.

Then, you need to set its clock time:
  • Press and hold the Clock button.
  • With Clock button pressed, press the Week button again and again until current day is shown.
  • Continue the same step with the Hour button and Minute button.
  • With Clock button pressed, press the Timer button to toggle between 12 hour and 24 hour clock mode.
To set a timer setting:
  • Press and release the Timer button. The LCD will show ON_1 for the "switch on" time for 1st set of setting.
  • Press the Week button again and again to set the day or block of days for timer on.
  • Repeat the same to set for Hour and Minute.
  • Press and release the Timer button. The LCD will now show OFF_1 for the "switch off" time for 1st set of setting.
  • Set the timer off settings for Week, Hour and Minute respectively.
  • Note: timer on can be either earlier or later than timer off.
  • Press the Clock button to exit from timer setting mode.
To use the timer function, you need to press the On/Auto/Off button until you see Auto displayed on the screen. When it is in On position, device plugged into it will always turned on; when it is in Off position, device plugged into it will always turned off.

There is a Random button, which will randomly pick a time between 6pm and 6am.

Note that this SUM 0026 digital programmable timer 3-pin plug socket has a maximum load of 13A and 3.12 kW.

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