Automation and motor starters (S3 Series)Single task enclosures / Products Automated motor start-up systems for pumps and all three phase motors in a wide range of horsepower (HP).Available from 5,5 up to 75 HP.Waterproof design for outdoor use.For dimensional information refer to the table below Dimensions and technical characteristics of motor starters (S3 Series) CodeHorsepower (HP)S3.1755,5S3.17610S3.17715S3.17820S3.17925S3.18030S3.18140S3.18250S3.18360S3.18475