Blue gate 5000va automatic voltage regulator is very good for all our home and office electrical appliances like our fridges, freezers, television, home theatres, washing machine and many others. It has an input ac of 100-280v and a frequency of 50hz. This automatic voltage regulator regulates a wide range of voltage allowing electric items to be used during voltage fluctuations. It is equipped with delay output protection circuit. It is also equipped with protection device for exceeding high voltage.