... SINGLE-PHASE:115V,230V,60Hz; 220V-50Hz THREE-PHASE:2 4-INCH STAINLESS STEEL SHIELD SUBMERSIBLE MOTOR SINGLE-PHASE:115V,230V,60Hz; ... DATA: These motors are built for dependable operation in 4" diameter or larger water wells, continuing work in 30 ... and airproof method. BASIC FEATURES: Corrosion-resistant exterior Stainles steel splined shaft Hermetically-sealed windings Anti-track self-healing ...