The DVTS-200 is constructed of 300 series stainless steel. Electrical is 115V/60/1 PH (20 amp service) with a 1/2 HP
The DVTS-300/500 is constructed of 300 series stainless steel. Electrical is 115V/60/1 PH (20 amp service) with a 1/2 HP
The DVTS-1000 is constructed of 300 series stainless steel. Electrical is 230V/60/3 PH (15 amp service) with a 5 HP