Three Phase 40A Automatic Changeover Switch has 345 X 90 X 230 mm dimension and its weight is 3.8 kg. The Switch works for a maximum temperature rating of -5 degree C to 50 degree C. The Switch is provided with four breaks per pole which results into faster quenching of arc. Three Phase 40A Automatic Changeover Switch comes with 3 Red LED on Mains, 1 Green LED on DG indications.