ROOT (Relay On/Off Timer)

ROOT (Relay on/off Timer) is used for switching of AC load. It is a cheaper, reliable and lightweight product with a simple input/output connection. Its working range of 220 V + 20%, 2 Amp.

It contains a three-point selector switch. And operates in two modes, it is OFF at center position with the LED light indication.

1. Timer mode

2. OFF mode

3. Continuous mode

1. Timer mode:- it provides a facility to set ON and OFF time between the ranges of 1 sec. to 60 sec. According to the requirement of testing,  ON time setting is used to ‘on’ the connected load at the set duration and OFF time setting is used to ‘Off’’ the connected load at a set duration. When Supply is ON, Green LED light will glow to show its status. And when Relay is ON, Red LED light will glow to show its status.

2. OFF mode:- This mode used to show it OFF conditions with Green LED light indication.

3. Continuous mode:- it runs continuously of the connected testing load with Red LED light indication.

Introduction Of  ROOT

ROOT (Relay on/off Timer) is a small size product but used for various burn-in testing devices like an LED bulb, LED drivers, Tube lights and different other products like this.


Block Diagram Of ROOT


There are simply two terminal connections. In Left side, terminal connection for the providing AC power supply to the ROOT and Right side, terminal connection for the connecting load under the test.

There are two LED indicators, green for the supply indication and red for the Load ON/OFF indicator.


Download ROOT Catalog.


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(Updated: Jan 21, 2021)