We are manufacturer product for customers satisfy Improved circuit design enables the relay to be in 'ON' position only while the genset is in use 'ON' main supply the relay remains in 'OFF' position. Switch over time for genset main is very minimal so that even sensitive equipments like computers do not get disconnected during the switch over. When main supply is resumed, the connected load is automatically shifted on mains and engine switch off system specifically for portable generators (petrol/kerosene). Low/High Voltage Controller also manufacturer in the company.